AD5174

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

RDAC Register............................................................................ 12

50-TP Memory Block ................................................................ 12

Write Protection ......................................................................... 12

RDAC and 50-TP Read Operation .......................................... 13

Shutdown Mode ......................................................................... 14

Reset ............................................................................................. 14

Daisy-Chain Operation ............................................................. 15

RDAC Architecture.................................................................... 15

Programming the Variable Resistor......................................... 16

EXT_CAP Capacitor.................................................................. 17

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

Power-Up Sequence ................................................................... 17

Outline Dimensions ....................................................................... 18

Ordering Guide .......................................................................... 18

REVISION HISTORY

3/10—Revision 0: Initial Version