AD5290

Data Sheet

Rev. C | Page 2 of 20

TABLE OF CONTENTS

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

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

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

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

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

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

Electrical Characteristics—10 kΩ Version................................ 3

Electrical Characteristics—50 kΩ, 100 kΩ Versions ............... 5

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

3-Wire Digital Interface................................................................... 8

Absolute Maximum Ratings............................................................ 9

ESD Caution.................................................................................. 9

Pin Configuration and Descriptions............................................ 10

Typical Performance Characteristics ........................................... 11

Theory of Operation ...................................................................... 15

Programming the Variable Resistor......................................... 15

Programming the Potentiometer Divider............................... 16

3-Wire Serial Bus Digital Interface .......................................... 16

Daisy Chain Operation.............................................................. 16

ESD Protection ........................................................................... 17

Terminal Voltage Operating Range ......................................... 17

Power-Up and Power-Down Sequences.................................. 17

Layout and Power Supply Biasing............................................ 17

Applications..................................................................................... 18

High Voltage DAC...................................................................... 18

Programmable Power Supply ................................................... 18

Audio Volume Control .............................................................. 18

Outline Dimensions....................................................................... 20

Ordering Guide .......................................................................... 20

REVISION HISTORY

11/11—Rev. B to Rev. C

Change to Figure 33 ....................................................................... 18

4/10—Rev. A to Rev. B

Changes to Figure 29...................................................................... 16

Updated Outline Dimensions ....................................................... 20

7/09—Rev. 0 to Rev. A

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

Changes to Ordering Guide.......................................................... 20

12/05—Revision 0: Initial Version