AD5111/AD5113/AD5115

Data Sheet

Rev. 0 | Page 2 of 24

TABLE OF CONTENTS

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

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

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

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

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

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

Electrical Characteristics—AD5111 .......................................... 3

Electrical Characteristics—AD5113 .......................................... 5

Electrical Characteristics—AD5115 .......................................... 7

Interface Timing Specifications.................................................. 9

Timing Diagram ........................................................................... 9

Absolute Maximum Ratings.......................................................... 10

Thermal Resistance .................................................................... 10

ESD Caution................................................................................ 10

Pin Configuration and Function Descriptions........................... 11

Typical Performance Characteristics ........................................... 12

Test Circuits..................................................................................... 17

Theory of Operation ...................................................................... 18

RDAC Register and EEPROM.................................................. 18

Basic Operation .......................................................................... 18

Low Wiper Resistance Feature ................................................. 18

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

EEPROM Write Operation ....................................................... 18

RDAC Architecture.................................................................... 19

Programming the Variable Resistor......................................... 19

Programming the Potentiometer Divider............................... 20

Terminal Voltage Operating Range ......................................... 20

Power-Up Sequence ................................................................... 21

Layout and Power Supply Biasing............................................ 21

Outline Dimensions....................................................................... 22

Ordering Guide .......................................................................... 22

REVISION HISTORY

10/11—Revision 0: Initial Version