
AD7674
Rev. A | Page 2 of 28
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Table of Contents .............................................................................. 2
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Timing Specifications....................................................................... 5
Absolute Maximum Ratings............................................................ 7
ESD Caution.................................................................................. 7
Pin Configuration and Function Descriptions............................. 8
Definitions of Specifications ......................................................... 11
Typical Performance Characteristics ........................................... 12
Circuit Information ........................................................................ 16
Converter Operation.................................................................. 16
Typical Connection Diagram ................................................... 18
Power Dissipation versus Throughput .................................... 20
Conversion Control ................................................................... 20
Digital Interface.......................................................................... 20
Parallel Interface......................................................................... 21
Serial Interface ............................................................................ 21
Master Serial Interface............................................................... 21
Slave Serial Interface .................................................................. 22
Microprocessor Interfacing....................................................... 24
Application Hints ........................................................................... 25
Layout .......................................................................................... 25
Evaluating the AD7674’s Performance.................................... 25
Outline Dimensions ....................................................................... 26
Ordering Guide .......................................................................... 26
REVISION HISTORY
6/09—Rev. 0 to Rev. A
Changes to Zero Error, TMIN to TMAX Parameter........................... 3
Changes to Gain Error, TMIN to TMAX Parameter........................... 3
Changes to Endnote 3 ...................................................................... 4
Changes to Pin Configuration Section .......................................... 8
Changes to Evaluating the AD7679’s Performance Section...... 25
Changes to Ordering Guide .......................................................... 26
7/03—Revision 0: Initial Version