AD7788/AD7789

Rev. B | Page 2 of 20

TABLE OF CONTENTS

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

Interface ............................................................................................. 1

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

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

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

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

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

AD7789 .......................................................................................... 3

AD7788 .......................................................................................... 4

AD7788/AD7789.......................................................................... 5

Timing Characteristics ................................................................ 6

Timing Diagrams.......................................................................... 7

Absolute Maximum Ratings............................................................ 8

ESD Caution.................................................................................. 8

Pin Configuration and Function Descriptions............................. 9

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

On-Chip Registers .......................................................................... 11

Communications Register......................................................... 11

Status Register............................................................................. 12

Mode Register ............................................................................. 13

Data Register............................................................................... 13

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

Noise Performance ..................................................................... 14

Digital Interface.......................................................................... 14

Circuit Description......................................................................... 17

Analog Input Channel ............................................................... 17

Bipolar/Unipolar Configuration .............................................. 17

Data Output Coding .................................................................. 17

Reference Input........................................................................... 17

VDD Monitor ................................................................................ 18

Grounding and Layout .............................................................. 18

Outline Dimensions ....................................................................... 19

Ordering Guide .......................................................................... 19

REVISION HISTORY

3/06—Rev. A to Rev. B

Changes to Ordering Guide .......................................................... 19

11/04—Rev. 0 to Rev. A

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

Added Footnote 2 to Integral Nonlinearity A Grade................... 4

Changes to Figure 5.......................................................................... 9

Updated Outline Dimensions ....................................................... 19

Changes to Ordering Guide .......................................................... 19

8/03—Revision 0: Initial Version