AD7887

Rev. D | Page 2 of 24

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

 

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

 

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