Datasheet
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