AD5175

Rev. 0 | 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............................................................. 3

Interface Timing Specifications.................................................. 4

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

Thermal Resistance ...................................................................... 6

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

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

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

Test Circuits..................................................................................... 11

Theory of Operation ...................................................................... 12

Serial Data Interface................................................................... 12

Shift Register ............................................................................... 12

Write Operation.......................................................................... 13

Read Operation........................................................................... 15

RDAC Register............................................................................ 16

50-TP Memory Block ................................................................ 16

Write Protection ......................................................................... 16

50-TP Memory Write-Acknowledge Polling.......................... 18

Reset ............................................................................................. 18

Shutdown Mode ......................................................................... 18

RDAC Architecture.................................................................... 18

Programming the Variable Resistor......................................... 18

EXT_CAP Capacitor.................................................................. 19

Terminal Voltage Operating Range ......................................... 19

Power-Up Sequence ................................................................... 19

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

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

REVISION HISTORY

3/10—Revision 0: Initial Version