ADG428中文资料

DDS模块设计DDS模块的设计是本系统的重点，也是本章阐述的重点。

DDS模块主要是围绕芯片AD9852进行设计的，设计要求既要满足性能指标，还要求优化电路，减小电路面积，否则13路DDS共同存在会使系统体积显得较大。

下面先介绍AD9852的基本特性。

4.2.1 AD9852介绍式参考时钟输入Ｄ更新读信号写信号行选择复位源地比较器输入模拟信号输出模拟信号输出比较器输出图4-2 AD9852功能结构框图chart4-2 AD9852 function and structure如图4-2所示，AD9852内部包括一个具有48位相位累加器、一个可编程时钟倍频器、一个反sinc滤波器、两个12位300MHz DAC，一个高速模拟比较器以及接口逻辑电路。

其主要性能特点如下：1.高达300MHz的系统时钟；2.能输出一般调制信号，FSK，BPSK，PSK，CHIRP，AM等；3.100MHz时具有80dB的信噪比；4.内部有4*到20*的可编程时钟倍频器；5.两个48位频率控制字寄存器，能够实现很高的频率分辨率。

6.两个14位相位偏置寄存器，提供初始相位设置。

7.带有100MHz的8位并行数据传输口或10MHz的串行数据传输口。

AD9852的芯片封装图如下：图4-3 AD9852芯片封装图chart4-3 AD9852 chip encapsulationAD9852有40个程序寄存器，对AD9852的控制就是对这些程序寄存器写数据实现的。

表4-1 AD9852并行接口寄存器功能并行地址寄存器功能默认值0x00 0x01 相位寄存器#1<13:8>(15,14位无效)相位寄存器#1<7:0>0x000x000x02 0x03 相位寄存器#2<13:8>(15,14位无效)相位寄存器#2<7:0>0x000x000x04 0x05 0x06 0x07 0x08 0x09 频率转换字#1<47:40>频率转换字#1<39:32>频率转换字#1<31:24>频率转换字#1<23:16>频率转换字#1<15:8>频率转换字#1<7:0>0x000x000x000x000x000x000x0A 频率转换字#1<47:40> 0x00表4-2 AD9852控制寄存器功能通过并行总线将数据写入程序寄存器时，实际上只是暂存在I/O缓冲区中，只有提供更新信号，这些数据才会更新到程序寄存器。

BGA428Gain and PCS Low Noise AmplifierEdition 2007-11-06Published by Infineon Technologies AG,81726 München, Germany© Infineon Technologies AG 2007.All Rights Reserved.Attention please!The information herein is given to describe certain components and shall not be considered as a guarantee of characteristics.Terms of delivery and rights to technical change reserved.We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein.InformationFor further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office ().WarningsDue to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office.Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered.BGA428, Gain and PCS Low Noise AmplifierRevision History: 2007-11-06, Rev. 2.2Previous Version: 2002-03-26Page Subjects (major changes since last revision)9Correction of cross-referenceTrademarksSIEGET® is a registered trademark of Infineon Technologies AG.1Silicon Germanium Broadband MMIC AmplifierDescriptionBGA428 is a high gain, low noise amplifier.Note:ESD: Electrostatic discharge sensitive device, observe handling precautionFeature•High gain, G MA = 20dB at 1.8GHz•Low noise figure, NF = 1.4dB at 1.8GHz •Prematched•Ideal for GSM, DCS1800, PCS1900•Open collector output•Typical supply voltage: 2.4-3V •SIEGET ®-45 technology•Pb-free (RoHS compliant) package 1)1)Pb-containing package may be available upon special requestSOT363Type Package Marking BGA428SOT363PGsMaximum Ratings Note:All Voltages refer to GND-Node Thermal resistance Table 1Maximum ratingsParameter SymbolLimit Value Unit Device voltage V CC 4V Voltage at pin Out V out 4V Voltage at pin GS V GS 3.5V Current into pin In I in 0.5mA Total device current 1)1)I tot = Current into Out + Current into V CCI tot 12mA Input power 2)2)Valid for:a) Z L = 50Ω, Z S = 50Ω, V CC = 2.7V, V out = 2.7V, V GS = 0.0V, GND = 0.0V b) Z L = 50Ω, Z S = 50Ω, V CC =0.0V, V out = 0.0V, V GS = 2.7V, GND = 0.0V P in 8dBm Total power dissipation, T S < 125°C 3)3)T S is measured on the ground lead at the soldering pointP tot 50mW Junction temperature T J 150°C Operating temperature rangeT OP -40... 85°C Storage temperature rangeT STG-65 (150)°CTable 2Thermal resistanceParameterSymbolValueUnit Junction - soldering point 1)1)For calculation of thJA please refer to Application Note Thermal ResistanceR thJS 220K/W2Electrical Characteristics2.1Electrical characteristics at T A = 25°C (measured in test circuit specified in Figure 2), V CC = 2.7V, Frequency = 1.8GHz, unless otherwise specifiedTable 3Electrical CharacteristicsParameterSymbolValues UnitNote /Test ConditionMin.Typ.Max.Maximum available power gainG MA20dB Noise figure (Z S = 50Ω)NF 1.4dB Input power at 1dB gain compression P -1dB -19dBm Input third order intercept point IIP 39dBm Total device currentI tot 8.2mA Insertion loss in gain-step-mode L GS13.5dB V CC =0.0V,V CTRL =2.7V, R CRRL =3k ΩTable4S-Parameter at 2.7V (see Electrical Characteristics for conditions)Frequency [GHz]S11MagS11AngS21MagS21AngS12MagS12AngS22MagS22Ang0.1000.6756-31.758.775-19.60.0005153.50.9491-3.9 0.2000.5936-53.647.806-43.10.0014138.40.9327-6.3 0.3000.5150-71.439.232-59.50.0021119.00.9174-8.3 0.4000.4587-86.631.740-71.80.0028104.90.9035-10.3 0.6000.4004-110.723.868-89.60.0042105.90.8807-14.00.8000.3743-129.118.509-103.20.006394.30.8593-17.71.0000.3743-143.014.825-114.50.008292.40.8352-21.4 1.2000.3816-154.512.288-124.70.009387.20.8116-25.1 1.4000.3922-164.410.353-134.20.011085.30.7865-28.7 1.6000.4086-1.72.48.879-143.20.013279.40.7597-32.2 1.8000.4265-178.97.732-151.40.014179.40.7309-36.01.9000.4314-178.87.214-155.20.014676.10.7199-37.52.0000.4371176.1 6.771-159.10.015077.00.7097-39.1 2.2000.4505171.2 5.976-166.60.016975.20.6791-42.32.4000.4640167.2 5.298-173.50.018173.20.6593-45.63.0000.4935155.9 3.935167.00.021768.30.5925-53.34.0000.5181141.2 2.605139.20.028265.10.5284-64.95.0000.5202126.9 1.911113.60.031962.20.4829-75.16.0000.5128110.0 1.47989.90.048956.00.4323-81.72.2Application Circuit Characteristics (measured in test circuit specified in Figure 3), T A = 25°C,V CC = 2.7V, Frequency = 1.85GHz, unless otherwise specifiedTable 5Application Circuit CharacteristicsParameterSymbolValues UnitNote /Test ConditionMin.Typ.Max.Insertion power gain|S 21|219dB Noise figure (Z S = 50Ω)NF 1.4dB Input power at 1dB gain compression P -1dB -19dBm Input third order intercept point IIP 3-9dBm Total device currentI tot 8.2mA Insertion loss in gain-step-mode L GS13.5dB V CC =0.0V,V CTRL =2.7V, R CRRL =3k Ω3Measured Parameters Refer to the application circuit given in Figure3元器件交易网BGA428Package Information 4Package InformationData Sheet11Rev. 2.2, 2007-11-06。

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Code: CXM-AYY ABBXDSPG 或者用户名：我爱蔡兔子密码：CX-BBBAWBETUVB超级兔子注册表优化v4.12增强版－－Name:Only For Chinese Code:AFABXBCVWXB或者Name:conanxu[BCG] Code:conanxu[BCG]超级兔子魔法设置v3.88简体中文版完美注册－－Name: Sun Bird [CCG] Sn: CX-AYY ABBPDOLG超级兔子魔法设置v3.88中文版－－Name:swnetcn17 Code:SPQHQRSWOXW或者Name:Only For Chinese Code:AFABXBCVWXB或者NameurewomCode:2Y2PMEFG3或者Name:Al Gore Code:1W1IFHIJ8或者Name:Bauer Lindemann Code:3U5YVLMN6或者Name:蔡旋Code:ABASGBCXMCB超级兔子魔法设置v3.86中文版－－Name:Only For Chinese Code:AFABXBCVWXB 或者Nameurewom Code:2Y2PMEFG3或者Name:Al Gore Code:1W1IFHIJ8或者Name:Bauer Lindemann Code:3U5YVLMN6超级兔子魔法设置V3.85多语言版－－注册码：NAME：swnetcn17 CODE：SPQHQRSWOXW（适用于简体中文版的超级兔子魔法设置），注册表优化可以用conanxuBCG的注册码：AFABXBCVWXB，注册名任意。

常用电脑软件序列号安全之星XP正式版－－SN:CHR-SSV456-9985303DSK-3或者CHR-SSV234-9913220CHR-3Adobe After Effects V5.0－－sn:EWE780A7645038-389-588或者SN:EWW471R7080005-040-498Adobe After Effects V4.1--sn:EWW400R4000123-666-922Adobe Acrobat 5.0.1 简体中文版－－SN:KWC500R6538415-885Adobe Acrobat 5.0 正式完全版－－sn:AEB100R3498245-291或者sn:KWW500R7150122-128Adobe Acorobat full 4.0－－sn:AOW301R7136978-298Adobe Acorobat read 1.2－－sn:ARM100R3100034-100-397Adobe Acorobat distiller 2.1－－snEE100R3001172-010-496Adobe Acorobat capture－－sn:WCW100R3101909-171Adobe Dimission 3.01－－snJW301R2100011-348Adobe Genesis－－sn::44444 autoriznatincode:2077229778Adobe Illustrator 9.0繁体中文版－－sn:ABT800R7100102-625Adobe Illustrator 8.0中文版－－sn:ABW800X7102095-685或者sn:EXX500R5900103198-517Adobe PageMaker.v7.0－－S/N：1039-1121-2998-7586-7388-7545Adobe Pagemaker 6.0－－sn:03W600R1124621-479Adobe Pagemaker NL v5.0－－sn: 03-5025-303224614Adobe Premiere 6.0 final－－sn:MBF500B7205104-998Adobe Premiere 5.1－－sn:MXX500R145503-500-448Adobe Premiere RT 5.1 for 9x/NT－－sn: MBF420U3000205-940Adobe PhotoShop v6.01 中文版－－PWC601R3382269-296或者PWC601R4999617-923或者PWW600R7105467-948或者PWW550R7162534-100Adobe Photoshop 6.0－－snWW600R7105467-948或者EXX600B6311279-428Adobe Photoshop 5.0－－snWW400R7106337-339Adobe Photoshop 4.0－－snWW250R3107069-312Adobe Photo deluxe－－sn:HTW200R7100048-493Adobe Streamline v4.0－－sn:SBW400U7102000-766或者SBW400U7100000-392Adobe Streamline v3.0－－sn:SBW300S1100640-184Adobe Type manager－－sn:AWW400P0101591-292Adobe Wild type－－sn:FHW251R31003373Galley Master MM for Adobe PageMaker－－sn:50336-150-77196444Galley Master XD for Adobe PageMaker－－sn:70336-150-97196444Panasonic MPEG Encoder Plugin For Adobe Premiere v2.1－－sn:900-4018000 Password:8762NGC4594 Panopticum Fire for Adobe After Effects v1.1－－FirstName:SiEGE LastName:1999 sn:37991555Pantone HexImage for Adobe Photoshop－－NameWA sn:C077ADC599F540ADPanopticum Fire for Adobe Photoshop v1.0－－FirstName:SiEGE LastName:1999 sn:68716Panopticum Fire for Adobe Photoshop v2.0－－NameAnything) sn:F2P-90327-1975Absolute security pro 3.9--Name: CROSSFIRE ROCKER s/n: JDHULALBFRHMLQY or Name: FIREANGEL [EVD] s/n: NVMFTMKNPTUCHJAAcdSee 3.1 build 921 Retail－－sn:243478918944730541ACDsee SR1 PowerPack Retail－－sn:243478918944730541ACDsee 3.1－－sn:132728175249781441AceFTP V2.01－－Name: Free User s/n: A333U4-4XZ7PK-TTMDZC-WMBHAUAceHTML Pro 4.30.1－－Name:Free User Code:Q4LB-KG9X-Q8PB-3TN6AceHTML Pro 4.22.2－－Name:Free User Code:Q4LB-KG9X-Q8PB-3TN6AceHTML Pro 4.22.1－－Name:Free User Code:Q4LB-KG9X-Q8PB-3TN6Advanced Gif Animator 2.2 中文注册版－－注册码:0qT+7ks91OS6TwwuLvuwXOgnH9C1VS Eo9HIWngLCMBIuHEWyJzuGuNjjA Vvs QIf8lo8MhU4c6QZfVgfvrKE7u6ZOsd sLI8UGMKEK3nDr1cRHcvufQ9LTGS3B z16BSbF7c7cd7gkAFbooFcHO/P8lPf FRTTAg+2Mnrz28OeYhZSIk= Advanced PDF Password Recovery 1.33－－注册码：PDFP-99322-EYSVY-886Advanced Archive Password Recovery 1.01－－NAME:Juan Lozada SERIAL:ARCHPR-TBHW5SSMYGQS-CUQ9SNYDE59T4KMMAdvanced ZIP Password Recovery v3.11－－sn: 00003112193920061941Nqu5h797f6cAjz4UAltoMP3 Maker 2.2--Name:Free User SN:1LfDE2UKh1F5i9fCAlgolab_photo_vector_v1.01－－Name:stcsr Companv: Email:stcsr@ Serial:ALPVHFCHINCTMGOPQRSAqua 3D Screen Saver 1.5 汉化破解版－－name:任意Code:1234-6789-1234-67C2(程序运行时按空格键即可输入注册码)AutoCAD 2002 最终零售版－－Serial:400-12345678 CD-KEY:T4ED6P 找E8B2FEFFFF 85C0 744F 4DF0 改为E8B2FEFFFF 85C0 754F 4DF0 就可以用了Audio Converter 3.0(0402)特别版－－Use Name:chaoruan Company:china Licenses:1 Serial key:08199-04923680536126119550AudioCD MP3 Studio 2000 V2.3－－SN:CSN77B-174094802faB TOP拨号管家3.7 Pro注册码－－用户名：gfh 公司名：CCG 注册码：3395-134136冰雨音画（音画时尚）ICE Player 2.6－－注册码L68A-yhss-style-98566-55860 6615-FCJX-LDgs-155868-ice260a北信源杀毒专家VRV2001 正式零售版－－序列号:FJDLKICPEAEBlindWrite v0.99.1.4－－sn:GOLXB3GJE4S46LFJBlindRead v3.0.1.4－－sn:KSI1G8JT32UXBAFJ卜算子.天问体育彩票摇奖预测器v1.20－－姓名：白菜乐园密码：ShuanglongDKSF卜算子.三颂个人人气运势分析预测v1.20－－姓名：白菜乐园密码：ShuanglongJWKD卜算子权谋5.8－－Name:洋白菜SN:EricFuminFHMIOAC TOP彩票点金术2.0－－注册邮箱fpx 注册码w>]_>KVk卡丽来相片VCD制作系统心动版－－SN:CHAMP-9C05EF50-2000词痴 1.5－－注册名: 注册码:194394184064284305784305284064105105105CyberLink PowerVCR II v3.0 PRO 简体中文正式版--snD7000EPS0000453CDRWIN 4.0A－－Name: Company: Unlock Key:9130D087-C2FD21AA-6312FA87-FE3636FE Check Key:6F06E679-53CDF12D-A1EFDB2D-9D24CC79 或者Name: CoKeBoTtLe99 Company/Email: Cokebottle@ Unlock Code: 60D015F4-600893EB-BEFF5755-53E4E943 Check Code: 3334FCB7-00D8861F-DEF7C4BE-ED1BBE16 Clean Disk Security 4.9 －－Code:deepgreenChinaZip(中华压缩) 6.02－－用户名： 注册码：AKEM9752CDOK音乐贝贝－－姓名：洋白菜公司： Email:yang119@ sn:CA9C8419或者注册名：copyyour 公司：CCG 信箱:cncrack@ 注册码：7E868430Copernic 2001 Pro 5.0 完全版－－sn:7336-791157997CPU Cool v6.1.1－－Code:7398356CPUCool V6.0.0 Beta－－sn:4337148超级兔子魔法设置（Magic Set）3.92简体中文版－－Name：随便Code：CXMS-AYILVBXDOEG超级兔子魔法设置（Magic Set）3.91简体中文版－－Name: Sun Bird Code: CXM-AYYABBXDSPG超级兔子魔法设置（Magic Set）3.9简体中文版---Name: Sun Bird Code: CXM-AYY ABBXDSPG 或者用户名：我爱蔡兔子密码：CX-BBBAWBETUVB超级兔子注册表优化v4.12增强版－－Name:Only For Chinese Code:AFABXBCVWXB或者Name:conanxu[BCG] Code:conanxu[BCG]超级兔子魔法设置v3.88简体中文版完美注册－－Name: Sun Bird [CCG] Sn: CX-AYY ABBPDOLG超级兔子魔法设置v3.88中文版－－Name:swnetcn17 Code:SPQHQRSWOXW或者Name:Only For Chinese Code:AFABXBCVWXB或者Name:purewom Code:2Y2PMEFG3或者Name:Al Gore Code:1W1IFHIJ8或者Name:Bauer Lindemann Code:3U5YVLMN6或者Name:蔡旋Code:ABASGBCXMCB超级兔子魔法设置v3.86中文版－－Name:Only For Chinese Code:AFABXBCVWXB或者Name:purewom Code:2Y2PMEFG3或者Name:Al Gore Code:1W1IFHIJ8或者Name:Bauer Lindemann Code:3U5YVLMN6超级兔子魔法设置V3.85多语言版－－注册码：NAME：swnetcn17 CODE：SPQHQRSWOXW（适用于简体中文版的超级兔子魔法设置），注册表优化可以用conanxuBCG的注册码：AFABXBCVWXB，注册名任意。

ad7942用法AD7942是一款集成了双12位模数转换器（ADC）和双12位数模转换器（DAC）的高性能数据转换器芯片。

这款芯片由ADI公司（Analog Devices Inc.）生产，广泛应用于工业自动化、通信设备、医疗仪器和汽车电子等领域。

下面将从功能特点、工作原理、应用领域和使用注意事项等几个方面来介绍AD7942的使用方法。

首先，AD7942的主要功能特点有：1. 高精度：ADC和DAC均为12位精度，能够实现高分辨率的模数和数模转换；2. 高速度：ADC和DAC的转换速度可达1 MSPS（Mega Samples Per Second），适用于高速数据采集和输出的应用；3. 双路输入输出：AD7942具有双路ADC和双路DAC，可实现多路信号的同时采集和输出；4. 多种输入参考电压：AD7942支持多种输入参考电压，可以根据实际需要选择适当的参考电压；5. SPI接口：AD7942采用标准的SPI接口进行控制和数据传输，与微控制器等外部设备的连接方便；6. 低功耗模式：AD7942具有多种低功耗模式，可以在不同应用场景下选择适当的模式以降低功耗。

其次，AD7942的工作原理如下：AD7942由ADC、DAC、控制逻辑和接口电路等部分组成。

其中，ADC用于将模拟信号转换为数字信号，DAC用于将数字信号转换为模拟信号。

通过SPI接口，可以对AD7942进行配置和控制。

在ADC部分，模拟信号经过输入模拟开关进行切换，并经过内部采样保持电路进行采样并保持一段时间。

然后，采样保持电路的输出通过ADC进行模数转换，转换结果存储在相应的转换寄存器中，并通过SPI接口传输给外部设备。

在DAC部分，外部设备通过SPI接口向AD7942发送数值，并将该数值存储在相应的转换寄存器中。

然后，DAC将数值转换为模拟电压输出，并通过输出模拟开关进行切换。

在控制逻辑部分，AD7942通过配置寄存器进行工作模式的选择和参数的配置。

PACKAGING INFORMATIONOrderableDevice Status (1)Package Type Package DrawingPins Package Qty Eco Plan (2)Lead/Ball Finish MSL Peak Temp (3)TPS2041AD NRND SOIC D 875Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2041ADG4NRND SOIC D 875Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2041ADR NRND SOIC D 82500Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2041ADRG4NRND SOIC D 82500Green (RoHS &no Sb/Br)CU NIPDAU Level-2-260C-1YEAR TPS2042AD NRND SOIC D 875Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2042ADG4NRND SOIC D 875Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2042ADR NRND SOIC D 82500Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2042ADRG4NRND SOIC D 82500Green (RoHS &no Sb/Br)CU NIPDAU Level-2-260C-1YEAR TPS2043AD NRND SOIC D 1640Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2043ADG4NRND SOIC D 1640Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2043ADR NRND SOIC D 162500Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2043ADRG4NRND SOIC D 162500Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2044AD NRND SOIC D 1640Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2044ADR NRND SOIC D 162500Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2044ADRG4NRND SOIC D 162500Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2051AD NRND SOIC D 875Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2051ADR NRND SOIC D 82500Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2051ADRG4NRND SOIC D 82500Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2052AD NRND SOIC D 875Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2052ADG4NRND SOIC D 875Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2052ADR NRND SOIC D 82500Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2052ADRG4NRND SOIC D 82500Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2053AD NRND SOIC D 1640Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2053ADR NRND SOIC D 162500Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2053ADRG4NRNDSOICD162500Green (RoHS &no Sb/Br)CU NIPDAULevel-1-260C-UNLIMPACKAGE OPTION ADDENDUM4-Nov-2005Addendum-Page 1元器件交易网Orderable Device Status (1)Package Type Package DrawingPins Package Qty Eco Plan (2)Lead/Ball Finish MSL Peak Temp (3)TPS2054AD NRND SOIC D 1640Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2054ADR NRND SOIC D 162500Green (RoHS &no Sb/Br)CU NIPDAU Level-1-260C-UNLIM TPS2054ADRG4NRNDSOICD162500Green (RoHS &no Sb/Br)CU NIPDAULevel-1-260C-UNLIM(1)The marketing status values are defined as follows:ACTIVE:Product device recommended for new designs.LIFEBUY:TI has announced that the device will be discontinued,and a lifetime-buy period is in effect.NRND:Not recommended for new designs.Device is in production to support existing customers,but TI does not recommend using this part in a new design.PREVIEW:Device has been announced but is not in production.Samples may or may not be available.OBSOLETE:TI has discontinued the production of the device.(2)Eco Plan -The planned eco-friendly classification:Pb-Free (RoHS)or Green (RoHS &no Sb/Br)-please check /productcontent for the latest availability information and additional product content details.TBD:The Pb-Free/Green conversion plan has not been defined.Pb-Free (RoHS):TI's terms "Lead-Free"or "Pb-Free"mean semiconductor products that are compatible with the current RoHS requirements for all 6substances,including the requirement that lead not exceed 0.1%by weight in homogeneous materials.Where designed to be soldered at high temperatures,TI Pb-Free products are suitable for use in specified lead-free processes.Green (RoHS &no Sb/Br):TI defines "Green"to mean Pb-Free (RoHS compatible),and free of Bromine (Br)and Antimony (Sb)based flame retardants (Br or Sb do not exceed 0.1%by weight in homogeneous material)(3)MSL,Peak Temp.--The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications,and peak solder temperature.Important 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FYD12864液晶中文显示模块(一) (一)概述 (3)(二)(二)外形尺寸1 方框图 (3)2 外型尺寸图 (4)(三)(三)模块的接口 (4)(四)(四)硬件说明 (5)(五) 指令说明 (7)(五)(五)读写操作时序 (8)(六)(六)交流参数 (11)(七)(七)软件初始化过程 (12)(八)(八)应用举例 (13)(九)(九)附录1半宽字符表 (20)2 汉字字符表 (21)一、概述FYD12864-0402B是一种具有4位/8位并行、2线或3线串行多种接口方式，内部含有国标一级、二级简体中文字库的点阵图形液晶显示模块；其显示分辨率为128×64, 内置8192个16*16点汉字，和128个16*8点ASCII字符集.利用该模块灵活的接口方式和简单、方便的操作指令，可构成全中文人机交互图形界面。

可以显示8×4行16×16点阵的汉字. 也可完成图形显示.低电压低功耗是其又一显著特点。

由该模块构成的液晶显示方案与同类型的图形点阵液晶显示模块相比，不论硬件电路结构或显示程序都要简洁得多，且该模块的价格也略低于相同点阵的图形液晶模块。

基本特性:●●低电源电压（VDD:+3.0--+5.5V）●●显示分辨率:128×64点●●内置汉字字库，提供8192个16×16点阵汉字(简繁体可选)●●内置 128个16×8点阵字符●●2MHZ时钟频率●●显示方式：STN、半透、正显●●驱动方式：1/32DUTY，1/5BIAS●●视角方向：6点●●背光方式：侧部高亮白色LED，功耗仅为普通LED的1/5—1/10 ●●通讯方式：串行、并口可选●●内置DC-DC转换电路，无需外加负压●●无需片选信号，简化软件设计●●工作温度: 0℃ - +55℃ ,存储温度: -20℃ - +60℃二、方框图3、外形尺寸图三、模块接口说明*注释1：如在实际应用中仅使用串口通讯模式，可将PSB接固定低电平，也可以将模块上的J8和“GND”用焊锡短接。

功能框图10537-001REFERENCEAD964514VINA+AVDDDRVDD1414VINB+VINB–D0A+14D0B+VINA–VCM D1A+D1B+AGNDD0A–D1A–D0B–D1B–DCO+DCO–FCO+FCO–14-BIT PIPELINEADC14-BIT PIPELINEADCP L L , S E R I A L I Z E R A N D D D R L V D S D R I V E R SSERIAL PORT INTERFACE 1 TO 8CLOCK DIVIDERSCLK/DFS SDIO/PDWNCSB CLK+CLK–图1.双通道、14位、80 MSPS/125 MSPS串行LVDS 1.8 V 模数转换器AD9645特性1.8 V 电源供电低功耗：每通道122 mW(125 MSPS)，功率选项可调整 SNR = 74 dBFS(至Nyquist 频率) SFDR = 91 dBc (70 MHz)DNL = ±0.65 LSB(典型值)；INL = ±1.5 LSB(典型值)串行LVDS(ANSI-644，默认)、低功耗，缩小范围选项(类似于 IEEE 1596.3)650 MHz 全功率模拟带宽 2 V p-p 输入电压范围 串行端口控制全芯片及单一通道省电模式 灵活的位定向内置生成及用户自定义数字测试码 时钟分频器可编程输出时钟与数据对准 可编程输出分辨率 待机模式应用通信分集无线电系统 多模式数字接收器GSM 、EDGE 、W-CDMA 、LTE 、CDMA2000、WiMAX 、 TD-SCDMA I/Q 解调系统 智能天线系统 宽带数据应用 电池供电仪表 手持式示波器便携式医疗成像和超声设备 雷达/LIDAR概述AD9645是一款双通道、14位、80 MSPS/125 MSPS 模数转换器(ADC)，内置片内采样保持电路，专门针对低成本、低功耗、小尺寸和易用性而设计。

目前生产AD/DA的主要厂家有ADI、TI、BB、PHILIP、MOTOROLA等，武汉力源公司拥有多年从事电子产品的经验和雄厚的技术力量支持，已取得排名世界前列的模拟IC生产厂家ADI、TI 公司代理权，经营全系列适用各种领域/场合的AD/DA器件。

1. AD公司AD/DA器件AD公司生产的各种模数转换器(ADC)和数模转换器(DAC)(统称数据转换器)一直保持市场领导地位，包括高速、高精度数据转换器和目前流行的微转换器系统（MicroConvertersTM )。

1）带信号调理、1mW功耗、双通道16位AD转换器：AD7705AD7705是AD公司出品的适用于低频测量仪器的AD转换器。

它能将从传感器接收到的很弱的输入信号直接转换成串行数字信号输出，而无需外部仪表放大器。

采用Σ-Δ的ADC，实现16位无误码的良好性能，片内可编程放大器可设置输入信号增益。

通过片内控制寄存器调整内部数字滤波器的关闭时间和更新速率，可设置数字滤波器的第一个凹口。

在+3V电源和1MHz主时钟时， AD7705功耗仅是1mW。

AD7705是基于微控制器（MCU）、数字信号处理器（DSP）系统的理想电路，能够进一步节省成本、缩小体积、减小系统的复杂性。

应用于微处理器（MCU）、数字信号处理（DSP）系统，手持式仪器，分布式数据采集系统。

2）3V/5V CMOS信号调节AD转换器：AD7714AD7714是一个完整的用于低频测量应用场合的模拟前端，用于直接从传感器接收小信号并输出串行数字量。

它使用Σ-Δ转换技术实现高达24位精度的代码而不会丢失。

输入信号加至位于模拟调制器前端的专用可编程增益放大器。

调制器的输出经片内数字滤波器进行处理。

数字滤波器的第一次陷波通过片内控制寄存器来编程，此寄存器可以调节滤波的截止时间和建立时间。

AD7714有3个差分模拟输入（也可以是5个伪差分模拟输入）和一个差分基准输入。

单电源工作（+3V或+5V）。

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Green products are RoHS-Compliant (i.e Pb-free finish on leads and suitable for Pb-free soldering according to IPC/JEDEC J-STD-020).Please specify the package needed (e.g. green package) when placing an orderYou can find all of our packages, sorts of packing and others in ourInfineon Internet Page “Products”: /products.Dimensions in mmRevision HistoryVersion Date ChangesV1.12007-05-29Creation of the green datasheet.First page :Adding the green logo and the AEC qualifiedAdding the bullet AEC qualified and the RoHS compliant featuresPackage pageModification of the package to be green.Edition 2007-05-29Published byInfineon Technologies AG81726 Munich, Germany© Infineon Technologies AG 5/29/07.All Rights Reserved.Legal DisclaimerThe information given in this document shall in no event be regarded as a guarantee of conditions or characteristics (“Beschaffenheitsgarantie”). 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UC1842A/3A/4A/5A UC2842A/3A/4A/5A UC3842A/3A/4A/5A•Optimized for Off-line and DC to DC Converters•Low Start Up Current (<0.5mA)•Trimmed Oscillator Discharge Current •Automatic Feed Forward Compensation •Pulse-by-Pulse Current Limiting•Enhanced Load Response Characteristics •Under-Voltage Lockout With Hysteresis •Double Pulse Suppression •High Current Totem Pole Output •Internally Trimmed Bandgap Reference •500kHz Operation •Low R O Error AmpCurrent Mode PWM ControllerThe UC1842A/3A/4A/5A family of control ICs is a pin for pin compati-ble improved version of the UC3842/3/4/5family.Providing the nec-essary features to control current mode switched mode power supplies,this family has the following improved features.Start up cur-rent is guaranteed to be less than 0.5mA.Oscillator discharge is trimmed to 8.3mA.During under voltage lockout,the output stage can sink at least 10mA at less than 1.2V for V CC over 5V .The difference between members of this family are shown in the table below.FEATURESDESCRIPTIONPart #UVLO On UVLO Off Maximum DutyCycleUC1842A 16.0V 10.0V <100%UC1843A 8.5V 7.9V <100%UC1844A 16.0V 10.0V <50%UC1845A8.5V7.9V<50%UC1842A/3A/4A/5A UC2842A/3A/4A/5AUC3842A/3A/4A/5ACONNECTION DIAGRAMSABSOLUTE MAXIMUM RATINGS (Note 1)Note 1.All voltages are with respect to Ground, Pin 5.Currents are positive into, negative out of the specified terminal.Consult Packaging Section of Databook for thermal limitations and con-siderations of packages.Pin numbers refer to DIL package only.Supply Voltage (Low Impedance Source). . . . . . . . . . . . . .30V Supply Voltage (I CC mA). . . . . . . . . . . . . . . . . . . .Self Limiting Output Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±1A Output Energy (Capacitive Load). . . . . . . . . . . . . . . . . . . . .5µJ Analog Inputs (Pins 2, 3). . . . . . . . . . . . . . . . . . .-0.3V to +6.3V Error Amp Output Sink Current . . . . . . . . . . . . . . . . . . . .10mA Power Dissipation at T A ≤25°C (DIL-8). . . . . . . . . . . . . . . .1W Storage Temperature Range. . . . . . . . . . . . . .-65°C to +150°C Lead Temperature (Soldering, 10 Seconds). . . . . . . . . .300°C N/C VREF VCC OUTPUT VCC GND 12345678161514131211N/C N/C N/CRT/CT N/C COMP VFB ISENSE PWRGND N/C109SOIC-WIDE16(TOP VIEW)DW PackagePARAMETERTEST CONDITIONSUC184xA\UC284xA UC384xAUNITSMIN.TYP.MAX.MIN.TYP.MAX.Reference Section Output Voltage T J = 25°C, I O = 1mA 4.955.00 5.05 4.905.00 5.10V Line Regulation 12≤V IN 25V 620620mV Load Regulation 1≤I O ≤20mA 625625mV Temp. Stability(Note 2, Note 7)0.20.40.20.4mV/°C Total Output Variation Line, Load, Temp. 4.95.14.825.18V Output Noise Voltage 10Hz ≤f ≤10kHz T J = 25°C (Note 2)5050µV Long Term Stability T A = 125°C, 1000Hrs. (Note 2)525525mV Output Short Circuit -30-100-180-30-100-180mA Oscillator Section Initial Accuracy T J = 25°C (Note 6)475257475257kHz Voltage Stability 12≤V CC ≤25V0.210.21%Temp. Stability T MIN ≤T A ≤T MAX (Note 2)55%AmplitudeV PIN 4peak to peak (Note 2) 1.7 1.7V Discharge Current T J = 25°C,V PIN 4= 2V (Note 8)7.88.38.87.88.38.8mA V PIN 4= 2V (Note 8)7.58.87.68.8mA Error Amp Section Input VoltageV PIN 1= 2.5V2.45 2.50 2.55 2.42 2.50 2.58V Input Bias Current -0.3-1-0.3-2µA A VOL2≤V O ≤4V65906590dB Unity Gain Bandwidth T J = 25°C (Note 2)0.710.71MHz PSRR12≤V CC ≤25V60706070dB Output Sink Current V PIN 2= 2.7V,V PIN 1= 1.1V 2626mA Output Source Current V PIN 2= 2.3V,V PIN 1= 5V-0.5-0.8-0.5-0.8mA V OUT High V PIN 2= 2.3V,R L = 15k to ground 5656V V OUT LowV PIN 2= 2.7V,R L = 15k to Pin 80.7 1.10.7 1.1V Current Sense Section Gain(Note 3, Note 4) 2.853 3.15 2.853 3.15V/V Maximum Input Signal V PIN 1= 5V (Note 3)0.91 1.10.91 1.1V PSRR12≤V CC ≤25V (Note 3)7070dB Input Bias Current -2-10-2-10µA Delay to Output V PIN 3= 0 to 2V (Note 2)150300150300ns Output Section Output Low Level I SINK = 20mA 0.10.40.10.4V I SINK = 200mA 15 2.215 2.2V Output High Level I SOURCE = 20mA 1313.51313.5V I SOURCE = 200mA1213.51213.5V Rise Time T J = 25°C, C L = 1nF (Note 2)5015050150ns Fall TimeT J = 25°C, C L = 1nF (Note 2)5015050150ns UVLO SaturationV CC = 5V,I SINK = 10mA0.71.20.71.2VELECTRICAL CHARACTERISTICS Unless otherwise stated,these specifications apply for –55°C ≤T A ≤125°C for theUC184xA;–40°C ≤T A ≤125°C for the UC284xAQ;–40°C ≤T A ≤85°C for the UC284xA;0≤T A ≤70°C for the UC384xA;V CC =15V (Note 5);R T =10k;C T =3.3nF;T A =T J ;Pin numbers refer to DIL-8.PARAMETERTEST CONDITIONSUC184xA\UC284xA UC384xAUNITSMIN.TYP.MAX.MIN.TYP.MAX.Under-Voltage Lockout Section Start Threshold x842A/4A 15161714.51617.5V x843A/5A 7.88.49.07.88.49.0V Min. Operation Voltage After x842A/4A 910118.51011.5V Turn On x843A/5A 7.07.68.27.07.68.2V PWM SectionMaximum Duty Cycle x842A/3A 94961009496100%x844A/5A474850474850%Minimum Duty Cycle 00%Total Standby Current Start-Up Current0.30.50.30.5mA Operating Supply Current V PIN 2=V PIN 3= 0V 11171117mA V CC Zener VoltageI CC = 25mA30343034VNote 2:Ensured by design, but not 100% production tested.Note 3:Parameter measured at trip point of latch with V PIN2= 0.Note 4:Gain defined as:A VPIN VPIN =∆∆13;0V PIN 30.8V .Note 5:Adjust V CC above the start threshold before setting at 15V .Note 6:Output frequency equals oscillator frequency for the UC1842A and UC1843A.Output frequency is one half oscillator fre-quency for the UC1844A and UC1845A.Note 7:“Temperature stability, sometimes referred to as average temperature coefficient, is described by the equation:Temp Stability VREF max VREF min TJ max TJ min =−−()()()().V REF (max) and V REF (min) are the maximum & minimum reference volt-age measured over the appropriate temperature range.Note that the extremes in voltage do not necessarily occur at the extremes in temperature.”Note 8:This parameter is measured with R T = 10k to V REF .This contributes approximately 300 A of current to the measurement.The total current flowing into the R T /C pin will be approximately 300 A higher than the measured value.ELECTRICAL CHARACTERISTICS Unless otherwise stated,these specifications apply for –55°C ≤T A ≤125°C for theUC184xA;–40°C ≤T A ≤125°C for the UC284xAQ;–40°C ≤T A ≤85°C for the UC284xA;0≤T A ≤70°C for the UC384xA;V CC =15V (Note 5);R T =10k;C T =3.3nF;T A =T J ;Pin numbers refer to DIL-8.Error Amplifier Open-Loop Frequency ResponseOutput Saturation CharacteristicsUC2842A/3A/4A/5AAPPLICATIONS DATA (cont.)UC2842A/3A/4A/5AUC3842A/3A/4A/5AAPPLICATIONS DATA (cont.)PACKAGING INFORMATIONOrderable Device Status(1)PackageType PackageDrawingPins PackageQtyEco Plan(2)Lead/Ball Finish MSL Peak Temp(3)5962-8670405PA ACTIVE CDIP JG81None A42SNPB Level-NC-NC-NC 5962-8670405VPA ACTIVE CDIP JG81None Call TI Level-NC-NC-NC 5962-8670405VXA ACTIVE LCCC FK201None Call TI Level-NC-NC-NC 5962-8670405XA ACTIVE LCCC FK201None POST-PLATE Level-NC-NC-NC 5962-8670406PA ACTIVE CDIP JG81None A42SNPB Level-NC-NC-NC 5962-8670406VPA ACTIVE CDIP JG81None Call TI Level-NC-NC-NC 5962-8670406VXA ACTIVE LCCC FK201None Call TI Level-NC-NC-NC 5962-8670406XA ACTIVE LCCC FK201None POST-PLATE Level-NC-NC-NC 5962-8670407PA ACTIVE CDIP JG81None A42SNPB Level-NC-NC-NC 5962-8670407VPA ACTIVE CDIP JG81None Call TI Level-NC-NC-NC 5962-8670407VXA ACTIVE LCCC FK201None Call TI Level-NC-NC-NC 5962-8670407XA ACTIVE LCCC FK201None POST-PLATE Level-NC-NC-NC 5962-8670408PA ACTIVE CDIP JG81None A42SNPB Level-NC-NC-NC 5962-8670408VPA ACTIVE CDIP JG81None Call TI Level-NC-NC-NC 5962-8670408VXA ACTIVE LCCC FK201None Call TI Level-NC-NC-NC 5962-8670408XA ACTIVE LCCC FK201None POST-PLATE Level-NC-NC-NC UC1842AJ ACTIVE CDIP JG81None A42SNPB Level-NC-NC-NCUC1842AJ883B ACTIVE CDIP JG81None A42SNPB Level-NC-NC-NCUC1842AJQMLV ACTIVE CDIP JG8None Call TI Call TIUC1842AL883B ACTIVE LCCC FK201None POST-PLATE Level-NC-NC-NCUC1842ALQMLV ACTIVE LCCC FK20None Call TI Call TI UC1843AJ ACTIVE CDIP JG81None A42SNPB Level-NC-NC-NCUC1843AJ883B ACTIVE CDIP JG81None A42SNPB Level-NC-NC-NCUC1843AJQMLV ACTIVE CDIP JG8None Call TI Call TIUC1843AL883B ACTIVE LCCC FK201None POST-PLATE Level-NC-NC-NCUC1843ALQMLV ACTIVE LCCC FK20None Call TI Call TI UC1844AJ ACTIVE CDIP JG81None A42SNPB Level-NC-NC-NCUC1844AJ883B ACTIVE CDIP JG81None A42SNPB Level-NC-NC-NCUC1844AJQMLV ACTIVE CDIP JG8None Call TI Call TIUC1844AL883B ACTIVE LCCC FK201None POST-PLATE Level-NC-NC-NCUC1844ALQMLV ACTIVE LCCC FK20None Call TI Call TI UC1845AJ ACTIVE CDIP JG81None A42SNPB Level-NC-NC-NCUC1845AJ883B ACTIVE CDIP JG81None A42SNPB Level-NC-NC-NCUC1845AJQMLV ACTIVE CDIP JG8None Call TI Call TIUC1845AL883B ACTIVE LCCC FK201None POST-PLATE Level-NC-NC-NCUC1845ALQMLV ACTIVE LCCC FK20None Call TI Call TI UC2842AD ACTIVE SOIC D1450None CU NIPDAU Level-1-220C-UNLIM UC2842AD8ACTIVE SOIC D875None CU NIPDAU Level-1-220C-UNLIM UC2842AD8TR ACTIVE SOIC D82500None CU NIPDAU Level-1-220C-UNLIM UC2842AD8TRG4ACTIVE SOIC D82500None Call TI Call TIUC2842ADTR ACTIVE SOIC D142500None CU NIPDAU Level-1-220C-UNLIM UC2842ADW ACTIVE SOIC DW1640None CU NIPDAU Level-2-220C-1YEAROrderable Device Status(1)PackageType PackageDrawingPins PackageQtyEco Plan(2)Lead/Ball Finish MSL Peak Temp(3)UC2842ADWTR ACTIVE SOIC DW162000None CU NIPDAU Level-2-220C-1YEAR UC2842AJ OBSOLETE CDIP JG8None Call TI Call TIUC2842AN ACTIVE PDIP P850Pb-Free(RoHS)CU SNPB Level-NC-NC-NC UC2843AD ACTIVE SOIC D1450None CU NIPDAU Level-1-220C-UNLIM UC2843AD8ACTIVE SOIC D875None CU NIPDAU Level-1-220C-UNLIM UC2843AD8TR ACTIVE SOIC D82500None CU NIPDAU Level-1-220C-UNLIM UC2843ADTR ACTIVE SOIC D142500None CU NIPDAU Level-1-220C-UNLIM UC2843ADW ACTIVE SOIC DW1640None CU NIPDAU Level-2-220C-1YEAR UC2843ADWTR ACTIVE SOIC DW162000None CU NIPDAU Level-2-220C-1YEAR UC2843AJ OBSOLETE CDIP JG8None Call TI Call TIUC2843AN ACTIVE PDIP P850Pb-Free(RoHS)CU SNPB Level-NC-NC-NC UC2843AQ ACTIVE PLCC FN2046None CU SNPB Level-2-220C-1YEAR UC2844AD ACTIVE SOIC D1450None CU NIPDAU Level-1-220C-UNLIM UC2844AD8ACTIVE SOIC D875None CU NIPDAU Level-1-220C-UNLIM UC2844AD8TR ACTIVE SOIC D82500None CU NIPDAU Level-1-220C-UNLIM UC2844AD8TRG4PREVIEW SOIC D82500None Call TI Call TIUC2844ADTR ACTIVE SOIC D142500None CU NIPDAU Level-1-220C-UNLIM UC2844ADW ACTIVE SOIC DW1640None CU NIPDAU Level-2-220C-1YEAR UC2844ADWTR ACTIVE SOIC DW162000None CU NIPDAU Level-2-220C-1YEAR UC2844AJ ACTIVE CDIP JG81None A42SNPB Level-NC-NC-NC UC2844AN ACTIVE PDIP P850Pb-Free(RoHS)CU SNPB Level-NC-NC-NC UC2844AQD ACTIVE SOIC D1450None Call TI Level-1-220C-UNLIM UC2844AQD8ACTIVE SOIC D875None Call TI Level-1-220C-UNLIM UC2844AQD8R ACTIVE SOIC D82500None Call TI Level-1-220C-UNLIM UC2844AQDR ACTIVE SOIC D142500None Call TI Level-1-220C-UNLIM UC2845AD ACTIVE SOIC D1450None CU NIPDAU Level-1-220C-UNLIM UC2845AD8ACTIVE SOIC D875None CU NIPDAU Level-1-220C-UNLIM UC2845AD8TR ACTIVE SOIC D82500None CU NIPDAU Level-1-220C-UNLIM UC2845AD8TRG4PREVIEW SOIC D82500None Call TI Call TIUC2845ADTR ACTIVE SOIC D142500None CU NIPDAU Level-1-220C-UNLIM UC2845ADW ACTIVE SOIC DW1640None CU NIPDAU Level-2-220C-1YEAR UC2845AN ACTIVE PDIP P850Pb-Free(RoHS)CU SNPB Level-NC-NC-NC UC3842AD ACTIVE SOIC D1450None CU NIPDAU Level-1-220C-UNLIM UC3842AD8ACTIVE SOIC D875None CU NIPDAU Level-1-220C-UNLIM UC3842AD8TR ACTIVE SOIC D82500None CU NIPDAU Level-1-220C-UNLIM UC3842ADTR ACTIVE SOIC D142500None CU NIPDAU Level-1-220C-UNLIM UC3842ADW ACTIVE SOIC DW1640None CU NIPDAU Level-2-220C-1YEAR UC3842ADWTR ACTIVE SOIC DW162000None CU NIPDAU Level-2-220C-1YEAR UC3842AJ ACTIVE CDIP JG81None A42SNPB Level-NC-NC-NC UC3842AN ACTIVE PDIP P850Pb-Free(RoHS)CU SNPB Level-NC-NC-NCOrderable Device Status(1)PackageType PackageDrawingPins PackageQtyEco Plan(2)Lead/Ball Finish MSL Peak Temp(3)UC3842ANG4ACTIVE PDIP P850Green(RoHS&no Sb/Br)CU NIPDAU Level-NA-NA-NAUC3843AD ACTIVE SOIC D1450None CU NIPDAU Level-1-220C-UNLIM UC3843AD8ACTIVE SOIC D875None CU NIPDAU Level-1-220C-UNLIM UC3843AD8G4ACTIVE SOIC D875None Call TI Call TIUC3843AD8TR ACTIVE SOIC D82500None CU NIPDAU Level-1-220C-UNLIM UC3843AD8TRG4ACTIVE SOIC D82500Green(RoHS&no Sb/Br)CU NIPDAU Level-1-260C-UNLIMUC3843ADG4ACTIVE SOIC D1450Green(RoHS&no Sb/Br)CU NIPDAU Level-1-260C-UNLIM UC3843ADTR ACTIVE SOIC D142500None CU NIPDAU Level-1-220C-UNLIM UC3843AJ ACTIVE CDIP JG81None A42SNPB Level-NC-NC-NCUC3843AN ACTIVE PDIP P850Pb-Free(RoHS)CU SNPB Level-NC-NC-NCUC3843ANG4ACTIVE PDIP P850Green(RoHS&no Sb/Br)CU NIPDAU Level-NA-NA-NA UC3844AD ACTIVE SOIC D1450None CU NIPDAU Level-1-220C-UNLIM UC3844AD8ACTIVE SOIC D875None CU NIPDAU Level-1-220C-UNLIM UC3844AD8TR ACTIVE SOIC D82500None CU NIPDAU Level-1-220C-UNLIM UC3844AD8TRG4ACTIVE SOIC D82500Green(RoHS&no Sb/Br)CU NIPDAU Level-1-260C-UNLIM UC3844ADTR ACTIVE SOIC D142500None CU NIPDAU Level-1-220C-UNLIM UC3844ADW ACTIVE SOIC DW1640None CU NIPDAU Level-2-220C-1YEAR UC3844ADWTR ACTIVE SOIC DW162000None CU NIPDAU Level-2-220C-1YEAR UC3844AN ACTIVE PDIP P850Pb-Free(RoHS)CU SNPB Level-NC-NC-NC UC3845AD ACTIVE SOIC D1450None CU NIPDAU Level-1-220C-UNLIM UC3845AD8ACTIVE SOIC D875None CU NIPDAU Level-1-220C-UNLIM UC3845AD8TR ACTIVE SOIC D82500None CU NIPDAU Level-1-220C-UNLIM UC3845ADTR ACTIVE SOIC D142500None CU NIPDAU Level-1-220C-UNLIM UC3845ADW ACTIVE SOIC DW1640None CU NIPDAU Level-2-220C-1YEAR UC3845ADWTR ACTIVE SOIC DW162000None CU NIPDAU Level-2-220C-1YEAR UC3845AJ ACTIVE CDIP JG81None A42SNPB Level-NC-NC-NCUC3845AN ACTIVE PDIP P850Pb-Free(RoHS)CU SNPB Level-NC-NC-NCUC3845ANG4ACTIVE PDIP P850Green(RoHS&no Sb/Br)CU NIPDAU Level-NA-NA-NA(1)The marketing status values are defined as follows:ACTIVE:Product device recommended for new designs.LIFEBUY:TI has announced that the device will be discontinued,and a lifetime-buy period is in effect.NRND:Not recommended for new designs.Device is in production to support existing customers,but TI does not recommend using this part in a new design.PREVIEW:Device has been announced but is not in production.Samples may or may not be available.OBSOLETE:TI has discontinued the production of the device.(2)Eco Plan-May not be currently available-please check /productcontent for the latest availability information and additional product content details.None:Not yet available Lead(Pb-Free).Pb-Free(RoHS):TI's terms"Lead-Free"or"Pb-Free"mean semiconductor products that are compatible with the current RoHS requirementsfor all 6substances,including the requirement that lead not exceed 0.1%by weight in homogeneous materials.Where designed to be soldered at high temperatures,TI Pb-Free products are suitable for use in specified lead-free processes.Green (RoHS &no Sb/Br):TI defines "Green"to mean "Pb-Free"and in addition,uses package materials that do not contain halogens,including bromine (Br)or antimony (Sb)above 0.1%of total product weight.(3)MSL,Peak Temp.--The Moisture Sensitivity Level rating according to the JEDECindustry standard classifications,and peak solder temperature.Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided.TI bases its knowledge and belief on information provided by third parties,and makes no representation or warranty as to the accuracy of such information.Efforts are underway to better integrate information from third parties.TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.TI and TI suppliers consider certain information to be proprietary,and thus CAS numbers and other limited information may not be available for release.In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s)at issue in this document sold by TI to Customer on an annualbasis.PACKAGE OPTION ADDENDUM 10-Mar-2005Addendum-Page 4元器件交易网。

AD4D双通道接收机AD4D Axient Digital Dual Channel Receiver User Guide Version: 4 (2019-E)Table of ContentsAD4D双通道接收机4重要安全事项! 4澳大利亚无线警告4 AD4D Axient 数字双通道无线接收机5特点 5附带组件6安装说明6硬件7接收机前面板 7接收机背板 8菜单和配置10访问设备配置菜单或频道菜单 10主屏幕 10屏幕图标11设备配置菜单和参数 12 AD4D 设备配置参数 13频道菜单参数 16无线电射频 (RF) 设置18设置射频调谐频带 18红外同步 19手动设置频率 19频道扫描和组扫描 20从频谱管理器请求新频率 21传输模式 21将发射机与发射机插槽对准 21干扰管理 22频道质量计 23频率分集 23天线偏移 24无线射频级联端口 24固件 24音频设置25调节频道增益和音频输出 25音频发生器 25耳机监听 26系统增益 26联网27接收机连网 27网络浏览器 28网络故障排除 28操作29分配设备 ID 29分配频道名称 29控制器的锁定和解锁 29显示屏选项 29将接收机设置保存为用户预设 30使用红外预设对发射机编程 30加密 30将接收机恢复为出厂设置 31冷却风扇 31故障排除31功率 31增益 31线缆 32界面锁定 32加密不匹配 32固件不匹配 32无线电射频 (RF) 32规格33表格和图 38接收机频段38认证391.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.AD4D双通道接收机重要安全事项!必须阅读这些注意事项。

必须保留这些注意事项。

必须注意所有警告内容。

必须遵循所有注意事项。

不要在靠近水的地方使用本设备。

只能用干布擦拭设备。

不要堵塞任何通风口。

留出足够的距离，确保充分通风，并安装在符合制造商要求的位置。

ADG409中⽂资料REV.AInformation furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.aLC 2MOS 4-/8-ChannelHigh Performance Analog MultiplexersADG408/ADG409FEATURES44 V Supply Maximum Ratings V SS to V DD Analog Signal Range Low On Resistance (100 ? max)Low Power (I SUPPLY < 75 ?A)Fast SwitchingBreak-Before-Make Switching Action Plug-in Replacement for DG408/DG409APPLICATIONSAudio and Video Routing Automatic Test Equipment Data Acquisition Systems Battery Powered Systems Sample and Hold Systems Communication Systems GENERAL DESCRIPTIONThe ADG408 and ADG409 are monolithic CMOS analogmultiplexers comprising eight single channels and four differen-tial channels respectively. The ADG408 switches one of eight inputs to a common output as determined by the 3-bit binary address lines A0, A1 and A2. The ADG409 switches one of four differential inputs to a common differential output as deter-mined by the 2-bit binary address lines A0 and A1. An EN input on both devices is used to enable or disable the device.When disabled, all channels are switched OFF.The ADG408/ADG409 are designed on an enhanced LC 2MOS process which provides low power dissipation yet gives high switching speed and low on resistance. Each channel conducts equally well in both directions when ON and has an input signal range that extends to the supplies. In the OFF condition, signal levels up to the supplies are blocked. All channels exhibit break-before-make switching action, preventing momentary shorting when switching channels. Inherent in the design is low charge injection for minimum transients when switching the digital inputs.The ADG408/ADG409 are improved replacements for the DG408/DG409 Analog Multiplexers.PRODUCT HIGHLIGHTS1.Extended Signal RangeThe ADG408/ADG409 are fabricated on an enhanced LC 2MOS process giving an increased signal range that extends to the supply rails.2.Low Power Dissipation 3Low R ON4.Single Supply OperationFor applications where the analog signal is unipolar, the ADG408/ADG409 can be operated from a single rail power supply. The parts are fully specified with a single +12 V power supply and will remain functional with single supplies as low as +5 V.FUNCTIONAL BLOCK DIAGRAMSOne Technology Way, P.O. Box 9106, Norwood, MA 02062-9106,U.S.A.Tel: 781/329-4700World Wide Web Site:/doc/2d5b9e09a6c30c2259019e55.html Fax: 781/326-8703? Analog Devices, Inc., 1998ADG408/ADG409–SPECIFICATIONSDUAL SUPPLY 1B VersionT Version–40?C to–55?C toParameter+25?C +85?C+25?C +125?CUnits Test Conditions/CommentsANALOG SWITCH Analog Signal Range V SS to V DD V SS to V DD VR ON 4040? typV D = ±10 V, I S = –10 mA 100125100125? maxR ON1515? max V D = +10 V, –10 V LEAKAGE CURRENTSSource OFF Leakage I S (OFF)±0.5±50±0.5±50nA max V D = ±10 V, V S = ?10 V;Test Circuit 2Drain OFF Leakage I D (OFF)V D = ±10 V; V S = ?10 V;ADG408±1±100±1±100nA max Test Circuit 3ADG409±1±50±1±50nA max Channel ON Leakage I D , I S (ON)V S = V D = ±10 V;ADG408±1±100±1±100nA max Test Circuit 4 ADG409±1±50±1±50nA max DIGITAL INPUTSInput High Voltage, V INH 2.4 2.4V min Input Low Voltage, V INL 0.80.8V max Input Current I INL or I INH±10±10µA max V IN = 0 or V DD C IN , Digital Input Capacitance 88pF typ f = 1 MHzDYNAMIC CHARACTERISTICS 2t TRANSITION 120120ns typ R L = 300 ?, C L = 35 pF;250250ns max V S1 = ±10 V, V SS = ?10 V;Test Circuit 5t OPEN 10101010ns min R L = 300 ?, C L = 35 pF;V S = +5 V; Test Circuit 6t ON (EN)8512585125ns typ R L = 300 ?, C L = 35 pF;150225150225ns max V S = +5 V; Test Circuit 7t OFF (EN)6565ns typ R L = 300 ?, C L = 35 pF;150150ns max V S = +5 V; Test Circuit 7Charge Injection 2020pC typ V S = 0 V, R S = 0 ?, C L = 10 nF;Test Circuit 8OFF Isolation–75–75dB typ R L = 1 k ?, f = 100 kHz;V EN = 0 V; Test Circuit 9Channel-to-Channel Crosstalk 8585dB typ R L = 1 k ?, f = 100 kHz;Test Circuit 10C S (OFF)1111pF typ f = 1 MHz C D (OFF) f = 1 MHz ADG4084040pF typ ADG4092020pF typC D , C S (ON) f = 1 MHzADG4085454pF typ ADG4093434pF typPOWER REQUIREMENTS I DD 11µA typ V IN = 0 V, V EN = 0 V55µA max I SS 11µA typ 55µA max I DD100100µA typ V IN = 0 V, V EN = 2.4 V200500200500µA maxNOTES 1Temperature ranges are as follows: B Version: –40°C to +85°C; T Version: –55°C to +125°C.2Guaranteed by design, not subject to production test.Specifications subject to change without notice.REV. A–2–(V DD = +15 V, V SS = –15 V, GND = 0 V, unless otherwise noted)ADG408/ADG409 SINGLE SUPPLY1(V DD = +12 V, V SS = 0 V, GND = 0 V, unless otherwise noted)B Version T Version–40?C to–55?C toParameter+25?C+85?C+25?C+125?C Units Test Conditions/Comments ANALOG SWITCHAnalog Signal Range0 to V DD0 to V DD VR ON9090? typ V D = +3 V, +10 V, I S = –1 mA LEAKAGE CURRENTSSource OFF Leakage I S (OFF)±0.5±50±0.5±50nA max V D =8 V/0 V, V S = 0 V/8V;Test Circuit 2Drain OFF Leakage I D (OFF)V D =8 V/0 V, V S = 0 V/8V;ADG408±1±100±1±100nA max Test Circuit 3ADG409±1±50±1±50nA maxChannel ON Leakage I D, I S (ON)V S = V D = 8 V/0 V;ADG408±1±100±1±100nA max Test Circuit 4ADG409±1±50±1±50nA maxDIGITAL INPUTSInput High Voltage, V INH 2.4 2.4V minInput Low Voltage, V INL0.80.8V maxInput CurrentI INL or I INH±10±10µA max V IN = 0 or V DDC IN, Digital Input Capacitance88pF typ f = 1 MHzDYNAMIC CHARACTERISTICS2t TRANSITION130130ns typ R L = 300 ?, C L = 35 pF;V S1 = 8 V/0 V, V S8 = 0 V/8 V;Test Circuit 5t OPEN1010ns typ R L = 300 ?, C L = 35 pF;V S = +5 V; Test Circuit 6t ON (EN)140140ns typ R L = 300 ?, C L = 35 pF;V S = +5 V; Test Circuit 7t OFF (EN)6060ns typ R L = 300 ?, C L = 35 pF;V S = +5 V; Test Circuit 7 Charge Injection55pC typ V S = 0 V, R S = 0 ?, C L = 10 nF;Test Circuit 8OFF Isolation–75–75dB typ R L = 1 k?, f = 100 kHz;V EN = 0 V; Test Circuit 9 Channel-to-Channel Crosstalk8585dB typ R L = 1 k?, f = 100 kHz; Test Circuit 10C S (OFF)1111pF typ f = 1 MHzC D (OFF) f = 1 MHzADG4084040pF typADG4092020pF typC D, C S (ON) f = 1 MHzADG4085454pF typADG4093434pF typPOWER REQUIREMENTSI DD11µA typ V IN = 0 V, V EN = 0 V55µA maxI DD100100µA typ V IN = 0 V, V EN = 2.4 V200500200500µA maxNOTES1Temperature ranges are as follows: B Version: –40°C to +85°C; T Version: –55°C to +125°C. 2Guaranteed by design, not subject to production test.Specifications subject to change without notice.REV. A–3–ADG408/ADG409REV. A–4–ABSOLUTE MAXIMUM RATINGS 1(T A = +25°C unless otherwise noted)V DD to V SS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+44 V V DD to GND . . . . . . . . . . . . . . . . . . . . . . . . . .–0.3 V to +25 V V SS to GND . . . . . . . . . . . . . . . . . . . . . . . . . . .+0.3 V to –25 V Analog, Digital Inputs 2 . . . . .V SS –2 V to V DD +2 V or 20 mA, Whichever Occurs FirstContinuous Current, S or D . . . . . . . . . . . . . . . . . . . . .20 mA Peak Current, S or D(Pulsed at 1 ms, 10% Duty Cycle max) . . . . . . . . . . .40 mA Operating Temperature RangeIndustrial (B Version) . . . . . . . . . . . . . . . . .–40°C to +85°C Extended (T Version) . . . . . . . . . . . . . . . .–55°C to +125°C Storage Temperature Range . . . . . . . . . . . .–65°C to +150°C Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . .+150°C Cerdip Package, Power Dissipation . . . . . . . . . . . . . . .900 mW θJA , Thermal Impedance . . . . . . . . . . . . . . . . . . . ..76°C/W Lead Temperature, Soldering (10 sec) . . . . . . . . . . .+300°C Plastic Package, Power Dissipation . . . . . . . . . . . . . ..470 mW θJA , Thermal Impedance . . . . . . . . . . . . . . . . . . . .117°C/W Lead Temperature, Soldering (10 sec) . . . . . . . . . ..+260°C TSSOP Package, Power Dissipation . . . . . . . . . . . . . .450 mW θJA , Thermal Impedance . . . . . . . . . . . . . . . . . . ..155°C/W θJC , Thermal Impedance . . . . . . . . . . . . . . . . . . . . .50°C/W SOIC Package, Power Dissipation . . . . . . . . . . . . . . ..600 mW θJA , Thermal Impedance . . . . . . . . . . . . . . . . . . . . .77°C/W Lead Temperature, SolderingVapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . .+215°C Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . .+220°CNOTES 1Stresses above those listed under Absolute Maximum Ratings may cause perma-nent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Only one absolute maximum rating may be applied at any one time.2Overvoltages at A, EN, S or D will be clamped by internal diodes. Current should be limited to the maximum ratings given. ORDERING INFORMATIONModel 1Temperature Range Package Option 2ADG408BN –40°C to +85°C N-16ADG408BR –40°C to +85°C R-16A ADG408BRU –40°C to +85°C RU-16ADG408TQ –55°C to +125°C Q-16ADG409BN –40°C to +85°C N-16ADG409BR –40°C to +85°C R-16A ADG409TQ–55°C to +125°CQ-16NOTES 1To order MIL-STD-883, Class B processed parts, add /883B to T grade part numbers.2N = Plastic DIP; Q = Cerdip; R = 0.15" Small Outline IC (SOIC);RU = Think Shrink Small Outline Package (TSSOP). CAUTIONESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000V readily accumulate on the human body and test eq uipment and can discharge without detection.Although the ADG408/ADG409 feature proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore,proper ESD precautions are recommended to avoid performance degradation or loss of functionality.ADG408/ADG409REV. A –5–TERMINOLOGYV DD Most positive power supply potential.V SSMost negative power supply potential in dual supplies. In single supply applications, it may be connected to ground.GND Ground (0 V) reference.R ON Ohmic resistance between D and S.R ON Difference between the R ON of any two channels.I S (OFF)Source leakage current when the switch is off.I D (OFF)Drain leakage current when the switch is off.I D , I S (ON)Channel leakage current when the switch is on.V D (V S )Analog voltage on terminals D, S.C S (OFF)Channel input capacitance for “OFF”condition.C D (OFF)Channel output capacitance for “OFF”condition.C D , C S (ON)“ON” switch capacitance.C IN Digital input capacitance.t ON (EN)Delay time between the 50% and 90% points of the digital input and switch “ON” condition.t OFF (EN)Delay time between the 50% and 90% points of the digital input and switch “OFF” condition.t TRANSITIONDelay time between the 50% and 90% points of the digital inputs and the switch “ON” condition when switching from one address state to another.t OPEN“OFF” time measured between the 80% point of both switches when switching from one address state to another.V INL Maximum input voltage for Logic “0.”V INH Minimum input voltage for Logic “1.”I INL (I INH )Input current of the digital input.CrosstalkA measure of unwanted signal which is coupled through from one channel to another as a result of parasitic capacitance. Off Isolation A measure of unwanted signal coupling through an “OFF” channel.Charge A measure of the glitch impulse transferred Injection from the digital input to the analog output during switching.I DD Positive supply current.I SSNegative supply current.PIN CONFIGURATIONS (DIP/SOIC/TSSOP)A0EN V SS S1S2S3S4D A1A2GNDV DD S5S6S7S8V DDADG408 Truth TableONA2A1A0EN SWITCH X X X 0NONE 0001100112010130111410015101161101711118ADG409 Truth TableON SWITCH Al A0EN PAIR X X 0NONE 0011011210131114ADG408/ADG409REV. A–6–Typical Performance CharacteristicsV D (V S ) – VoltsR O N – ?Figure 1.R ON as a Function of V D (V S ): Dual Supply VoltageV D (V S ) – Volts10030R O N – ?807050406090Figure 2.R ON as a Function of V D (V S ) for Different Temperatures V D (V S ) – Volts 0.2–0.2L E A K A G E C U R R E N T – n A–0.10.1Figure 3.Leakage Currents as a Function of V D (V S )V D (V S ) – Volts18040R O N – ?1401208060160100Figure 4.R ON as a Function of V D (V S ): Single Supply VoltageV D (V S ) – Volts13060R O N – ?100807090120110Figure 5.R ON as a Function of V D (V S ) for Different Temperatures V D (V S) – VoltsL E A K A G E C U R R E N T – n AFigure 6.Leakage Currents as a Function of V D (V S )ADG408/ADG409REV. A –7–V IN – Volts12020t – n s604010080Figure 7.Switching Time vs. V IN (Bipolar Supply)V SUPPLY – Volts400t – n s200100300Figure 8.Switching Time vs. Single Supply FREQUENCY – Hz104103102I D D – ?A10M101001k 10k 100k 1MFigure 9.Positive Supply Current vs. Switching Frequency V IN – Voltst – n sFigure 10.Switching Time vs. V IN(Single Supply)V SUPPLY – Volts3000t – n s200100Figure 11.Switching Time vs. Bipolar SupplyFREQUENCY – Hz10410310–110M1M 10I S S – ?A1001k 10k 100k 102101100Figure 12.Negative Supply Current vs. Switching Frequency ADG408/ADG409REV. A–8–FREQUENCY – Hz11070O F F I S O L A T I O N – d B9080100Figure 13.Off Isolation vs. Frequency FREQUENCY – Hz 11070C R O S S T A L K – d B908010060Figure 14.Crosstalk vs. FrequencyTest CircuitsI V Test Circuit 1.On ResistanceV I S Test Circuit 2.I S(OFF)V V V (OFF)Test Circuit 3.I D (OFF)V V V (ON)Test Circuit 4. I D (ON)ADG408/ADG409REV. A –9–VVV 35pFTest Circuit 5.Switching Time of Multiplexer, t TRANSlTlONVVV Test Circuit 6.Break-Before-Make Delay, tOPENV V35pFV 3V 0VTest Circuit 7. Enable Delay, t ON (EN), t OFF (EN)ADG408/ADG409REV. A–10–VVOUT 3VV INVTest Circuit 8.Charge InjectionV OUTV OFF ISOLATION = 20 LOG V OUT /V IN Test Circuit 9.OFF Isolation V V OUTOUT INTest Circuit 10.Channel-to-Channel CrosstalkADG408/ADG409REV. A –11–OUTLINE DIMENSIONSDimensions shown in inches and (mm). Plastic DIP (N-16)Cerdip (Q-16)BSCSO (Narrow Body) (R-16A)°Thin Shrink Small Outline Package (TSSOP) (RU-16)PLANE BSC(1.10)MAX0.0035 (0.090)C 1824a –0–4/98P R I N T E D I N U .S .A .。

AD9854特征·300M内部时钟频率·可进行频移键控（FSK），二元相移键控（BPSK），相移键控（PSK），脉冲调频（CHIRP），振幅调制（AM）操作·正交的双通道12位D/A转换器·超高速比较器，3皮秒有效抖动偏差·外部动态特性：80 dB无杂散动态范围（SFDR）@ 100 MHz (±1 MHz) A OUT·4倍到20倍可编程基准时钟乘法器·两个48位可编程频率寄存器·两个14位可编程相位补偿寄存器·12位振幅调制和可编程的通断整形键控功能·单引脚FSK和BPSK数据输入接口·PSK功能可由I/O接口实现·具有线性和非线性的脉冲调频（FM CHIRP）功能，带有引脚可控暂停功能·具有过渡FSK功能·在时钟发生器模式下，有小于25 ps RMS抖动偏差·可自动进行双向频率扫描·能够对信号进行sin(x)/x校正·简易的控制接口：可配置为10MHZ串行接口，2线或3线SPI兼容接口或100MHZ 8位并行可编程接口·3.3V单电源供电·具有多路低功耗功能·单输入或差分输入时钟·小型80脚LQFP 封装应用·便携式频率特性分析仪·可编程时钟发生器·应用于雷达和扫频系统的脉冲调频信号源·测试和测量设备·商业和业余的射频（RF）发射机概述AD9854数字合成器是高集成度的器件，它采用先进的DDS技术，片内整合了两路高速、高性能正交D/A转换器通过数字化编程可以输出I、Q两路合成信号。

在高稳定度时钟的驱动下，AD9854将产生一高稳定的频率、相位、幅度可编程的正弦和余弦信号，作为本振用于通信，雷达等方面。

AD9854的DDS核具有48位的频率分辨率（在300M系统时钟下，频率分辨率可达1uHZ）。