EVAL-AD7887CB 查看數據表（PDF） - Analog Devices

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EVAL-AD7887CB

2.7 V to 5.25 V, Micropower, 2-Channel, 125 kSPS, 12-Bit ADC in 8-Lead MSOP

Analog Devices 

AD7887

TABLE OF CONTENTS

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

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

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

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

Product Highlights ........................................................................... 1

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

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

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

Absolute Maximum Ratings............................................................ 6

ESD Caution.................................................................................. 6

Pin Configurations and Function Descriptions ........................... 7

Typical Performance Characteristics ............................................. 8

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

Control Register.............................................................................. 10

REVISION HISTORY

2/09—Rev. C to Rev. D

Changes to Ordering Guide .......................................................... 21

9/06—Rev. B to Rev. C

Updated Format..................................................................Universal

Change to Absolute Maximum Ratings......................................... 6

Additions to Pin Configurations .................................................... 7

Added Table 7.................................................................................. 18

Updated Outline Dimensions ....................................................... 21

Changes to Ordering Guide .......................................................... 21

Theory of Operation ...................................................................... 11

Circuit Information.................................................................... 11

Converter Operation.................................................................. 11

ADC Transfer Function............................................................. 11

Typical Connection Diagram ................................................... 11

Analog Input ............................................................................... 12

Power-Down Options ................................................................ 13

Power vs. Throughput Rate....................................................... 13

Modes of Operation ................................................................... 13

Serial Interface ............................................................................ 17

Microprocessor Interfacing....................................................... 18

Application Hints ....................................................................... 20

Outline Dimensions ....................................................................... 21

Ordering Guide .......................................................................... 21

Rev. D | Page 2 of 24

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