AD5744R(RevA) 데이터 시트보기 (PDF) - Analog Devices

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AD5744R
(Rev.:RevA)

Complete Quad, 14-Bit, High Accuracy, Serial Input, Bipolar Voltage Output DAC

Analog Devices 

AD5744R

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

Thermal Resistance .................................................................... 10

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

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

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

Terminology .................................................................................... 19

Theory of Operation ...................................................................... 21

DAC Architecture....................................................................... 21

Reference Buffers........................................................................ 21

Serial Interface ............................................................................ 21

Simultaneous Updating via LDAC........................................... 23

Transfer Function ....................................................................... 23

Asynchronous Clear (CLR)....................................................... 23

REVISION HISTORY

12/08—Rev. 0 to Rev. A

Changes to Figure 1 .......................................................................... 3

10/08—Revision 0: Initial Version

Registers........................................................................................... 24

Function Register ....................................................................... 24

Data Register ............................................................................... 25

Coarse Gain Register ................................................................. 25

Fine Gain Register ...................................................................... 25

Design Features............................................................................... 26

Analog Output Control ............................................................. 26

Programmable Short-Circuit Protection ................................ 26

Digital I/O Port........................................................................... 26

Die Temperature Sensor ............................................................ 26

Local Ground Offset Adjust...................................................... 26

Applications Information .............................................................. 27

Typical Operating Circuit ......................................................... 27

Layout Guidelines........................................................................... 29

Galvanically Isolated Interface ................................................. 29

Microprocessor Interfacing....................................................... 29

Outline Dimensions ....................................................................... 30

Ordering Guide .......................................................................... 30

Rev. A | Page 2 of 32

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