AD7983

Data Sheet

Rev. B | Page 2 of 24

TABLE OF CONTENTS

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

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

Application Diagram........................................................................ 1

General Description ......................................................................... 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 .................................................................................... 11

Theory of Operation ...................................................................... 12

Circuit Information.................................................................... 12

Converter Operation.................................................................. 12

Typical Connection Diagram.................................................... 13

Analog Inputs.............................................................................. 14

Driver Amplifier Choice ........................................................... 14

Voltage Reference Input ............................................................ 15

Power Supply............................................................................... 15

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

CS MODE, 3-Wire Without Busy Indicator........................... 17

CS Mode, 3-Wire with Busy Indicator .................................... 18

CS Mode, 4-Wire Without Busy Indicator ............................. 19

CS Mode, 4-Wire with Busy Indicator .................................... 20

Chain Mode Without Busy Indicator ...................................... 21

Chain Mode with Busy Indicator............................................. 22

Application Hints ........................................................................... 23

Layout .......................................................................................... 23

Evaluating the Performance of the AD7983 .............................. 23

Outline Dimensions....................................................................... 24

Ordering Guide .......................................................................... 24

REVISION HISTORY

7/14—Rev. A to Rev. B

Added Patent Endnote and Changes to Table 1 ........................... 1

Changed Standby Current from 0.35 nA to 1.1 mA.................... 4

Added EPAD Note............................................................................ 7

Changes to Figure 21...................................................................... 12

Changes to Power Supply Section ................................................ 15

Changes to Evaluating the Performance of the AD7983 Section .23

Updated Outline Dimensions....................................................... 24

Changes to Ordering Guide .......................................................... 24

3/10—Rev. 0 to Rev. A

Deleted Endnote 1 from Features Section, General Description

Section, and Table 1.......................................................................... 1

Changes to Table 5............................................................................ 6

Deleted Endnote 1 from Figure 5 Caption.................................... 7

Changes to Figure 21...................................................................... 12

Deleted Endnote 1 from Circuit Information Section............... 12

Changes to Figure 41 Caption....................................................... 24

Changes to Ordering Guide .......................................................... 24

11/07—Revision 0: Initial Version