AD7989-1/AD7989-5

Data Sheet

Rev. 0 | Page 2 of 24

TABLE OF CONTENTS

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

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

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

Typical Applications Circuit............................................................ 1

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

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

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

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

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

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

Typical Performance Characteristics ............................................. 9

Terminology .................................................................................... 12

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

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

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

Digital Interface.......................................................................... 16

CS Mode, 3-Wire........................................................................ 17

CS Mode, 4-Wire........................................................................ 18

Chain Mode ................................................................................ 19

Applications Information .............................................................. 20

Interfacing to Blackfin® DSP..................................................... 20

Layout .......................................................................................... 20

Evaluating AD7989-1/AD7989-5 Performance ..................... 21

Outline Dimensions....................................................................... 22

Ordering Guide .......................................................................... 23

REVISION HISTORY

1/14—Revision 0: Initial Version