AD5162BRM2.5-RL7(RevA) View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD5162BRM2.5-RL7
(Rev.:RevA)

Dual 256-Position SPI Digital Potentiometer

Analog Devices 

AD5162

TABLE OF CONTENTS

Electrical Characteristics—2.5 kΩ Version ................................... 3

Electrical Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions ....... 4

Timing Characteristics—All Versions ........................................... 5

Absolute Maximum Ratings............................................................ 6

ESD Caution.................................................................................. 6

Pin Configuration and Function Descriptions............................. 7

Pin Configuration......................................................................... 7

Pin Function Descriptions .......................................................... 7

Typical Performance Characteristics ............................................. 8

Test Circuits..................................................................................... 12

Theory of Operation ...................................................................... 13

Programming the Variable Resistor and Voltage.................... 13

REVISION HISTORY

11/03 Changed from REV. 0 to REV. A:

Changes to Electrical Characteristics.................................... Page 3

11/03 Revision 0: Initial Version

Programming the Potentiometer Divider............................... 14

ESD Protection ........................................................................... 14

Terminal Voltage Operating Range.......................................... 14

Power-Up Sequence ................................................................... 14

Layout and Power Supply Bypassing ....................................... 15

Constant Bias to Retain Resistance Setting............................. 15

Evaluation Board ........................................................................ 15

SPI Interface .................................................................................... 16

SPI Compatible 3-Wire Serial Bus ........................................... 16

Outline Dimensions ....................................................................... 17

Ordering Guide .......................................................................... 17

Rev. A | Page 2 of 20

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