EVAL-AD5620EB【PDF 2/24 页】Single, 12-/14-/16-Bit nanoDAC with 5 pp

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Sheet目录362800

1页 [2页]3页 4页 5页 6页

AD5620/AD5640/AD5660

TABLE OF CONTENTS

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

Rev. A | Page 2 of 24

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

Product Highlights...........................................................................1

Related Device...................................................................................1

Functional Block Diagram..............................................................1

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

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

Specifications.....................................................................................3

AD5620/AD5640/AD5660-2-3..................................................3

AD5620/AD5640/AD5660-1......................................................5

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

Absolute Maximum Ratings............................................................8

ESD Caution..................................................................................8

Pin Configurations and Function Descriptions...........................9

Typical Performance Characteristics...........................................10

Terminology....................................................................................16

Theory of Operation......................................................................17

D/A Section.................................................................................17

Resistor String.............................................................................17

Internal Reference......................................................................17

Output Amplifier........................................................................ 17

Serial Interface............................................................................ 17

Input Shift Register.................................................................... 18

SYNC Interrupt .......................................................................... 18

Power-On Reset.......................................................................... 19

Power-Down Modes.................................................................. 19

Microprocessor Interfacing....................................................... 19

Applications..................................................................................... 21

Using an REF19x as a Power Supply for the

AD5620/AD5640/AD5660 ....................................................... 21

Bipolar Operation Using the AD5660..................................... 21

Using the AD5660 as an Isolated, Programmable,

4 to 20 mA Process Controller.................................................21

Using the AD5620/AD5640/AD5660

with a Galvanically Isolated Interface...................................... 22

Power Supply Bypassing and Grounding................................ 22

Outline Dimensions....................................................................... 23

AD5620 Ordering Guide........................................................... 23

AD5640 Ordering Guide........................................................... 24

AD5660 Ordering Guide........................................................... 24

REVISION HISTORY

9/05—Rev. 0 to Rev. A

Changes to Specifications................................................................ 5

Changes to Outline Dimensions...................................................23

7/05—Revision 0: Initial Version

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