AD7674_15 datasheet(2/28 Pages) AD | 18-Bit, 2.5 LSB INL, 800 kSPS SAR ADC

2 / 28 page

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

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