AD8400AN1 데이터 시트보기 (PDF) - Analog Devices

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AD8400AN1

1-/2-/4-Channel Digital Potentiometers

Analog Devices 

AD8400/AD8402/AD8403

TABLE OF CONTENTS

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

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

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

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

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

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

Electrical Characteristics—10 kΩ Version................................ 4

Electrical Characteristics—50 kΩ and 100 kΩ Versions......... 6

Electrical Characteristics—1 kΩ Version.................................. 8

Electrical Characteristics—All Versions ................................. 10

Timing Diagrams........................................................................ 10

Absolute Maximum Ratings.......................................................... 11

Serial Data-Word Format .......................................................... 11

REVISION HISTORY

7/10—Rev. D to Rev. E

Changes to Features Section ............................................................1

Changes to IAB Continuous Current Parameter (Table 5) .........11

Updated Outline Dimensions........................................................26

Changes to Ordering Guide...........................................................30

Added Automotive Products Section ...........................................31

10/05—Rev. C to Rev. D

Updated Format.................................................................. Universal

Changes to Features...........................................................................1

Changes to Table 1.............................................................................4

Changes to Table 2.............................................................................6

Changes to Table 3.............................................................................8

Changes to Table 5...........................................................................11

Added Figure 36...............................................................................18

Replaced Figure 37 ..........................................................................19

Changes to Theory of Operation Section.....................................20

Changes to Applications Section ...................................................24

Updated Outline Dimensions ........................................................26

Changes to Ordering Guide ...........................................................28

ESD Caution................................................................................ 11

Pin Configurations and Function Descriptions ......................... 12

Typical Performance Characteristics ........................................... 14

Test Circuits..................................................................................... 19

Theory of Operation ...................................................................... 20

Programming the Variable Resistor......................................... 20

Programming the Potentiometer Divider ............................... 21

Digital Interfacing ...................................................................... 21

Applications..................................................................................... 24

Active Filter ................................................................................. 24

Outline Dimensions ....................................................................... 26

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

Automotive Products ................................................................. 31

11/01—Rev. B to Rev. C

Addition of new Figure.....................................................................1

Edits to Specifications ....................................................................... 2

Edits to Absolute Maximum Ratings .............................................. 6

Edits to TPCs 1, 8, 12, 16, 20, 24, 35 ............................................... 9

Edits to

the Programming the Variable Resistor Section..........................13

Rev. E | Page 2 of 32

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