AD7902

Data Sheet

Rev. 0 | Page 2 of 28

TABLE OF CONTENTS

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

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

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

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

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

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

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

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

Pin Configuration and Function Descriptions............................. 7

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

Terminology .................................................................................... 13

Theory of Operation ...................................................................... 14

Circuit Information.................................................................... 14

Converter Operation.................................................................. 14

Typical Connection Diagram ................................................... 15

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

Driver Amplifier Choice ........................................................... 16

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

Power Supply............................................................................... 17

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

CS Mode ...................................................................................... 18

Chain Mode ................................................................................ 22

Applications Information .............................................................. 24

Simultaneous Sampling ............................................................. 24

Functional Saftey Considerations ............................................ 25

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

Evaluating Performance of the AD7902.................................. 26

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

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

REVISION HISTORY

2/14—Revision 0: Initial Version