EVAL-AD7691CB 데이터 시트보기 (PDF) - Analog Devices

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EVAL-AD7691CB

18-Bit, 1.5 LSB INL, 250 kSPS PulSAR® Differential ADC in MSOP/QFN

Analog Devices 

AD7691

TABLE OF CONTENTS

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

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

Application Diagram........................................................................ 1

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

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

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

Timing Specifications....................................................................... 5

Absolute Maximum Ratings............................................................ 7

ESD Caution.................................................................................. 7

Pin Configurations and Function Descriptions ........................... 8

Terminology ...................................................................................... 9

Typical Performance Characteristics ........................................... 10

Theory of Operation ...................................................................... 13

Circuit Information.................................................................... 13

REVISION HISTORY

7/06—Revision 0: Initial Version

Converter Operation.................................................................. 13

Typical Connection Diagram ................................................... 14

Analog Inputs ............................................................................. 15

Driver Amplifier Choice ........................................................... 15

Single-to-Differential Driver .................................................... 16

Voltage Reference Input ............................................................ 16

Power Supply............................................................................... 16

Supplying the ADC from the Reference.................................. 17

Digital Interface.......................................................................... 17

Application Hints ........................................................................... 24

Layout .......................................................................................... 24

Evaluating the AD7691’s Performance.................................... 24

Outline Dimensions ....................................................................... 25

Ordering Guide .......................................................................... 25

Rev. 0 | Page 2 of 28

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