参数资料
型号: AD7890ANZ-2
厂商: Analog Devices Inc
文件页数: 12/28页
文件大小: 0K
描述: IC DAS 12BIT 8CH 24-DIP
标准包装: 15
类型: 数据采集系统(DAS)
分辨率(位): 12 b
采样率(每秒): 117k
数据接口: 串行
电压电源: 单电源
电源电压: 5V
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 24-DIP(0.300",7.62mm)
供应商设备封装: 24-PDIP
包装: 管件
AD7890
Rev. C | Page 2 of 28
TABLE OF CONTENTS
Features .............................................................................................. 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Timing Specifications .................................................................. 5
Absolute Maximum Ratings............................................................ 6
ESD Caution.................................................................................. 6
Pin Configuration and Function Descriptions............................. 7
Terminology ...................................................................................... 9
Control Register.............................................................................. 10
Theory of Operation ...................................................................... 11
Converter Details........................................................................ 11
Circuit Description..................................................................... 11
Track/Hold Amplifier ................................................................ 12
Reference ..................................................................................... 13
Timing and Control ................................................................... 13
CEXT Functioning......................................................................... 16
Serial Interface ................................................................................ 17
Self-Clocking Mode ................................................................... 17
External Clocking Mode ........................................................... 18
Simplifying the Interface ........................................................... 19
Microprocessor/Microcontroller Interface ................................. 20
AD7890 to 8051 Interface ......................................................... 20
AD7890 to 68HC11 Interface ................................................... 20
AD7890 to ADSP-2101 Interface ............................................. 21
AD7890 to DSP56000 Interface ............................................... 21
AD7890 to TMS320C25/30 Interface...................................... 21
Antialiasing Filter....................................................................... 22
Performance .................................................................................... 23
Linearity....................................................................................... 23
Noise ............................................................................................ 23
Dynamic Performance............................................................... 24
Effective Number of Bits ........................................................... 24
Outline Dimensions ....................................................................... 25
Ordering Guide .......................................................................... 27
REVISION HISTORY
9/06—Rev. B to Rev. C
Updated Format..................................................................Universal
Changes to Table 1............................................................................ 3
Updated Outline Dimensions ....................................................... 25
Changes to Ordering Guide .......................................................... 27
2/01—Rev. A to Rev. B
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参数描述
AD7890ANZ-4 功能描述:IC DAS 12BIT 8CH 24-DIP RoHS:是 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:数据采集系统(DAS) 分辨率(位):16 b 采样率(每秒):21.94k 数据接口:MICROWIRE?,QSPI?,串行,SPI? 电压电源:模拟和数字 电源电压:1.8 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP(6x6) 包装:托盘
AD7890AR-10 功能描述:IC DAS 12BIT 8CH 24-SOIC RoHS:否 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:数据采集系统(DAS) 分辨率(位):16 b 采样率(每秒):21.94k 数据接口:MICROWIRE?,QSPI?,串行,SPI? 电压电源:模拟和数字 电源电压:1.8 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP(6x6) 包装:托盘
AD7890AR-10REEL 功能描述:IC DAS 12BIT 8CH 24-SOIC RoHS:否 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:数据采集系统(DAS) 分辨率(位):16 b 采样率(每秒):21.94k 数据接口:MICROWIRE?,QSPI?,串行,SPI? 电压电源:模拟和数字 电源电压:1.8 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP(6x6) 包装:托盘
AD7890AR-2 功能描述:IC DAS 12BIT 8CH 24-SOIC RoHS:否 类别:集成电路 (IC) >> 数据采集 - ADCs/DAC - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:数据采集系统(DAS) 分辨率(位):16 b 采样率(每秒):21.94k 数据接口:MICROWIRE?,QSPI?,串行,SPI? 电压电源:模拟和数字 电源电压:1.8 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP(6x6) 包装:托盘
AD7890AR-2REEL 制造商:Analog Devices 功能描述:ADC Single SAR 117ksps 12-bit Serial 24-Pin SOIC W T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 117KSPS 12-BIT SERL 24SOIC W - Tape and Reel