AD5765(RevPrA) データシートの表示（PDF） - Analog Devices

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AD5765
(Rev.:RevPrA)

Complete Quad, 16-Bit, High Accuracy, Serial Input, ±5V DACs

Analog Devices 

AD5765

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

REVISION HISTORY

Preliminary Version: PrA December 11, 2007

Preliminary Technical Data

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

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

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

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

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

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

AD5765 Features ............................................................................ 24

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

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

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

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

Rev. PrA | Page 2 of 31

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