AD7682 데이터 시트보기 (PDF) - Analog Devices

부품명

상세내역

일치하는 목록

AD7682

16-Bit, 4-Channel/8-Channel, 250 kSPS PulSAR ADC

Analog Devices 

AD7682/AD7689

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

Functional Block Diagram .............................................................. 1

General Description ......................................................................... 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

Timing Specifications....................................................................... 6

Absolute Maximum Ratings............................................................ 8

ESD Caution.................................................................................. 8

Pin Configurations and Function Descriptions ........................... 9

Typical Performance Characteristics ........................................... 11

Terminology .................................................................................... 14

Theory of Operation ...................................................................... 15

Overview...................................................................................... 15

Converter Operation.................................................................. 15

Transfer Functions...................................................................... 16

REVISION HISTORY

5/08—Revision 0: Initial Version

Typical Connection Diagrams.................................................. 17

Analog Inputs ............................................................................. 18

Driver Amplifier Choice ........................................................... 19

Voltage Reference Output/Input .............................................. 20

Power Supply............................................................................... 21

Supplying the ADC from the Reference.................................. 21

Digital Interface .............................................................................. 22

Configuration Register, CFG .................................................... 22

Read/Write Spanning Conversion Without a

Busy Indicator............................................................................. 24

Read/Write Spanning Conversion with a Busy Indicator..... 25

Application Hints ........................................................................... 26

Layout .......................................................................................... 26

Evaluating AD7682/AD7689 Performance ............................ 26

Outline Dimensions ....................................................................... 27

Ordering Guide .......................................................................... 27

Rev. 0 | Page 2 of 28

Share Link: