參數(shù)資料
型號: AD7890BRZ-10
廠商: Analog Devices Inc
文件頁數(shù): 12/28頁
文件大?。?/td> 0K
描述: IC DAS 12BIT 8CH 24-SOIC
產(chǎn)品培訓模塊: Power Line Monitoring
標準包裝: 31
類型: 數(shù)據(jù)采集系統(tǒng)(DAS)
分辨率(位): 12 b
采樣率(每秒): 117k
數(shù)據(jù)接口: 串行
電壓電源: 單電源
電源電壓: 5V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-SOIC(0.295",7.50mm 寬)
供應商設備封裝: 24-SOIC W
包裝: 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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參數(shù)描述
AD7890BRZ-10REEL 功能描述:IC DAS 12BIT 8CH 24-SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)(DAS) 分辨率(位):16 b 采樣率(每秒):21.94k 數(shù)據(jù)接口:MICROWIRE?,QSPI?,串行,SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應商設備封裝:40-TQFN-EP(6x6) 包裝:托盤
AD7890BRZ-2 功能描述:IC DAS 12BIT 8CH 24-SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)(DAS) 分辨率(位):16 b 采樣率(每秒):21.94k 數(shù)據(jù)接口:MICROWIRE?,QSPI?,串行,SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應商設備封裝:40-TQFN-EP(6x6) 包裝:托盤
AD7890BRZ-2REEL 功能描述:IC DAS 12BIT 8CH 24-SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)(DAS) 分辨率(位):16 b 采樣率(每秒):21.94k 數(shù)據(jù)接口:MICROWIRE?,QSPI?,串行,SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應商設備封裝:40-TQFN-EP(6x6) 包裝:托盤
AD7890BRZ-4 功能描述:IC DAS 12BIT 8CH 24-SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)(DAS) 分辨率(位):16 b 采樣率(每秒):21.94k 數(shù)據(jù)接口:MICROWIRE?,QSPI?,串行,SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應商設備封裝:40-TQFN-EP(6x6) 包裝:托盤
AD7890BRZ-4REEL 功能描述:IC DAS 12BIT 8CH 24-SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)(DAS) 分辨率(位):16 b 采樣率(每秒):21.94k 數(shù)據(jù)接口:MICROWIRE?,QSPI?,串行,SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應商設備封裝:40-TQFN-EP(6x6) 包裝:托盤