AD5763

Preliminary Technical Data

Rev. PrA | Page 2 of 31

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

General Description ......................................................................... 1

Revision History ............................................................................... 2

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

Typical Performance Characteristics ........................................... 13

Terminology .................................................................................... 17

Theory of Operation ...................................................................... 18

DAC Architecture....................................................................... 18

Reference Buffers........................................................................ 18

Serial Interface ............................................................................ 18

Simultaneous Updating via LDAC........................................... 19

Transfer Function ....................................................................... 20

Asynchronous Clear (CLR)....................................................... 20

Function Register ....................................................................... 21

Data Register............................................................................... 21

Coarse Gain Register ................................................................. 21

Fine Gain Register ...................................................................... 22

Offset Register ............................................................................ 22

Offset and Gain Adjustment Worked Example...................... 23

AD5763 Features ............................................................................ 24

Analog Output Control ............................................................. 24

Digital Offset and Gain Control............................................... 24

Programmable Short-Circuit Protection ................................ 24

Digital I/O Port........................................................................... 24

die Temperature Sensor............................................................. 24

Local Ground Offset Adjust...................................................... 24

Applications Information .............................................................. 25

Typical Operating Circuit ......................................................... 25

Layout Guidelines........................................................................... 26

Galvanically Isolated Interface ................................................. 26

Microprocessor Interfacing....................................................... 26

Evaluation Board ........................................................................ 27

Outline Dimensions ....................................................................... 28

Ordering Guide .......................................................................... 28

REVISION HISTORY

Preliminary Version: PrA December 11, 2007