Preliminary Technical Data

Rev. PrA 15-Nov-04| Page 2 of 27

TABLE OF CONTENTS

Functional Block Diagram .............................................................. 3

Specifications..................................................................................... 4

AC Performance Characteristics ................................................ 6

Timing Characteristics ................................................................ 7

Absolute Maximum Ratings.......................................................... 10

ESD Caution................................................................................ 10

Pin Configuration and Function Descriptions........................... 11

Terminology .................................................................................... 13

typical performance characteristics ............................................. 15

General Description ....................................................................... 16

dac architecture........................................................................... 16

Reference Buffers........................................................................ 16

Serial interface ............................................................................ 16

transfer function ......................................................................... 18

Function Register ....................................................................... 19

DAta register ............................................................................... 20

Coarse gain register.................................................................... 20

Fine gain register ........................................................................ 21

offset register............................................................................... 21

AD5744/64 Features....................................................................... 22

Analog Output Control ............................................................. 22

Digital Offset and Gain Control............................................... 22

Programmable Short-Circuit protection................................. 22

Digital I/O Port........................................................................... 22

Temperature Sensor ................................................................... 22

Local ground offset adjust......................................................... 22

applications information ............................................................... 23

typical operating circuit............................................................. 23

layout guidelines......................................................................... 24

Isolated interface ........................................................................ 24

microprocessor interfacing ....................................................... 24

Evaluation board ........................................................................ 26

Outline Dimensions ....................................................................... 27

Ordering Guide .......................................................................... 27

REVISION HISTORY

Revision PrA 15-Nov-04: Preliminary Version

AD5744/AD5764