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参数资料
型号： AD9778A-DPG2-EBZ
厂商： Analog Devices Inc
文件页数： 12/56页
文件大小： 0K
描述： BOARD EVALUATION FOR AD9778A
标准包装： 1
系列： *
DAC 的数量： 2
位数： 14
采样率（每秒）： 1G
数据接口： 并联
DAC 型： 电流
工作温度： -40°C ~ 85°C
已供物品： *
已用 IC / 零件： AD9778A
AD9776A/AD9778A/AD9779A
Rev. B | Page 2 of 56
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Typical Signal Chain......................................................................... 1
Revision History ............................................................................... 3
Functional Block Diagram .............................................................. 4
Specifications..................................................................................... 5
DC Specifications ......................................................................... 5
Digital Specifications ................................................................... 6
Digital Input Data Timing Specifications ................................. 7
AC Specifications.......................................................................... 8
Absolute Maximum Ratings............................................................ 9
Thermal Resistance ...................................................................... 9
ESD Caution.................................................................................. 9
Pin Configurations and Function Descriptions ......................... 10
Typical Performance Characteristics ........................................... 16
Terminology .................................................................................... 24
Theory of Operation ...................................................................... 25
Differences Between AD9776/AD9778/ AD9779 and
AD9776A/AD9778A/AD9779A............................................... 25
3-Wire Interface.............................................................................. 26
General Operation of the Serial Interface ............................... 26
Instruction Byte .......................................................................... 26
Serial Interface Port Pin Descriptions ..................................... 27
MSB/LSB Transfers..................................................................... 27
3-Wire Interface Register Map...................................................... 28
Interpolation Filter Architecture .................................................. 33
Interpolation Filter Bandwidth Limits .................................... 37
Inverse Sinc Filter ....................................................................... 38
Sourcing the DAC Sample Clock ................................................. 39
Direct Clocking .......................................................................... 39
Clock Multiplication .................................................................. 39
Driving the REFCLK Input....................................................... 42
Full-Scale Current Generation ..................................................... 43
Internal Reference ...................................................................... 43
Gain and Offset Correction .......................................................... 44
I/Q Channel Gain Matching ..................................................... 44
Auxiliary DAC Operation ......................................................... 44
LO Feedthrough Compensation .............................................. 45
Results of Gain and Offset Correction .................................... 45
Input Data Ports ............................................................................. 46
Single Port Mode ........................................................................ 46
Dual Port Mode .......................................................................... 46
Input Data Referenced to DATACLK...................................... 46
Input Data Referenced to REFCLK ......................................... 47
Optimizing the Data Input Timing.......................................... 48
Device Synchronization................................................................. 49
Synchronization Logic Overview............................................. 49
Synchronizing Devices to a System Clock .............................. 50
Interrupt Request Operation .................................................... 50
Power Dissipation........................................................................... 51
Power-Down and Sleep Modes................................................. 52
Evaluation Board Overview .......................................................... 53
Evaluation Board Operation..................................................... 53
Outline Dimensions ....................................................................... 55
Ordering Guide .......................................................................... 55
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相关代理商/技术参数
参数描述
AD9778A-EBZ 制造商:Analog Devices 功能描述:Dual 12 /14 /16 Bit, 1 GSPS, Digital To Analog Converters Development Kit 制造商:Analog Devices 功能描述:DUAL 14B, 1.0 GSPS TXDAC - Bulk
AD9778BSVZ 功能描述:IC DAC 14BIT DUAL 1GSPS 100TQFP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1,000 系列:- 设置时间:1µs 位数:8 数据接口:串行 转换器数目:8 电压电源:双 ± 功率耗散（最大）:941mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC W 包装:带卷 (TR) 输出数目和类型:8 电压，单极 采样率（每秒）:*
AD9778BSVZ1 制造商:AD 制造商全称:Analog Devices 功能描述:Dual 12-/14-/16-Bit, 1 GSPS, Digital-to-Analog Converters
AD9778BSVZRL 功能描述:IC DAC 14BIT DUAL 1GSPS 100TQFP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Data Converter Fundamentals DAC Architectures 标准包装:750 系列:- 设置时间:7µs 位数:16 数据接口:并联 转换器数目:1 电压电源:双 ± 功率耗散（最大）:100mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-LCC（J 形引线） 供应商设备封装:28-PLCC（11.51x11.51） 包装:带卷 (TR) 输出数目和类型:1 电压，单极；1 电压，双极 采样率（每秒）:143k
AD9778BSVZRL1 制造商:AD 制造商全称:Analog Devices 功能描述:Dual 12-/14-/16-Bit, 1 GSPS, Digital-to-Analog Converters
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