AD7923

Data Sheet

Rev. D | Page 2 of 24

TABLE OF CONTENTS

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

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

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

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

Pin Configuration and Function Description .............................. 7

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

Terminology .................................................................................... 10

Control Register Descriptions ...................................................... 12

Sequencer Operation ................................................................. 13

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

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

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

ADC Transfer Function............................................................. 15

Typical Connection Diagram ................................................... 16

Modes of Operation................................................................... 17

Powering Up the AD7923 ......................................................... 18

Power vs. Throughput Rate....................................................... 19

Serial Interface ............................................................................ 20

Microprocessor Interfacing....................................................... 21

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

Grounding and Layout .............................................................. 23

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

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

Automotive Products................................................................. 24

REVISION HISTORY

6/13—Rev. C to Rev. D

Deleted Evaluating the AD7923 Performance Section.............. 23

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

5/11—Rev. B to Rev. C

Changes to Features Section............................................................ 1

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

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

Added to Automotive Products Section...................................... 24

12/08—Rev. A to Rev. B

Changes to ESD Parameter, Table 3 ............................................... 6

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

8/05—Rev. 0 to Rev. A

Update Format ....................................................................Universal

Change to Table 1 ............................................................................. 3

Change to Table 3 ............................................................................. 6

Change to Reference Section......................................................... 16

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

11/02—Revision 0: Initial Version