參數(shù)資料
型號(hào)： AD7739BRU-REEL
廠商： ANALOG DEVICES INC
元件分類： ADC
英文描述： 8-Channel, High Throughput, 24-Bit Sigma-Delta ADC
中文描述： 8-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO24
封裝： MS-153AD, TSSOP-24
文件頁(yè)數(shù)： 2/32頁(yè)
文件大?。?/td> 380K
代理商： AD7739BRU-REEL
AD7739
TABLE OF CONTENTS
AD7739—Specifications..................................................................3
Rev. 0 | Page 2 of 32
Timing Specifications.......................................................................6
Absolute Maximum Ratings............................................................8
Typical Performance Characteristics.............................................9
Output Noise and Resolution Specification................................10
Chopping Enabled......................................................................10
Chopping Disabled.....................................................................11
Pin Configuration and Function Descriptions...........................12
Register Descriptions.....................................................................14
Register Access............................................................................15
Communications Register.........................................................15
I/O Port Register.........................................................................16
Revision Register........................................................................16
Test Register................................................................................16
ADC Status Register...................................................................17
Checksum Register.....................................................................17
ADC Zero-Scale Calibration Register.....................................17
ADC Full-Scale Calibration Register.......................................17
Channel Data Registers .............................................................17
Channel Zero-Scale Calibration Registers..............................18
Channel Full-Scale Calibration Registers................................18
Channel Status Registers ...........................................................18
Channel Setup Registers............................................................19
Channel Conversion Time Registers.......................................20
Mode Register.............................................................................20
Digital Interface Description........................................................ 22
Hardware..................................................................................... 22
Reset............................................................................................. 23
Access the AD7739 Registers.................................................... 23
Single Conversion and Reading Data...................................... 23
Dump Mode................................................................................ 23
Continuous Conversion Mode................................................. 24
Continuous Read (Continuous Conversion) Mode.............. 25
Circuit Description......................................................................... 26
Analog Inputs.............................................................................. 26
Sigma-Delta ADC....................................................................... 26
Chopping..................................................................................... 26
Multiplexer, Conversion, and Data Output Timing............... 27
Frequency Response .................................................................. 28
Analog Input’s Extended Voltage Range ................................. 29
Voltage Reference Inputs........................................................... 29
Reference Detect......................................................................... 29
I/O Port........................................................................................ 29
Calibration................................................................................... 30
ADC Zero-Scale Self-Calibration........................................ 30
ADC Full-Scale Self-Calibration.......................................... 30
Per Channel System Calibration.......................................... 30
Outline Dimensions....................................................................... 32
ESD Caution................................................................................ 32
Ordering Guide .......................................................................... 32
REVISION HISTORY
Revision 0: Initial Version
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