AD5110/AD5112/AD5114

Data Sheet

Rev. 0 | Page 2 of 28

TABLE OF CONTENTS

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

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

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

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

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

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

Electrical Characteristics—AD5110 .......................................... 3

Electrical Characteristics—AD5112 .......................................... 5

Electrical Characteristics—AD5114 .......................................... 7

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

Shift Register and Timing Diagram......................................... 10

Absolute Maximum Ratings.......................................................... 11

Thermal Resistance .................................................................... 11

ESD Caution................................................................................ 11

Pin Configuration and Function Descriptions........................... 12

Typical Performance Characteristics ........................................... 13

Test Circuits..................................................................................... 18

Theory of Operation ...................................................................... 19

RDAC Register and EEPROM.................................................. 19

I2C Serial Data Interface............................................................ 19

Input Shift Register .................................................................... 20

Write Operation.......................................................................... 21

EEPROM Write Acknowlegde Polling .................................... 23

Read Operation........................................................................... 23

Reset............................................................................................. 23

Shutdown Mode ......................................................................... 23

RDAC Architecture.................................................................... 24

Programming the Variable Resistor......................................... 24

Programming the Potentiometer Divider............................... 25

Terminal Voltage Operating Range ......................................... 26

Power-Up Sequence ................................................................... 26

Layout and Power Supply Biasing............................................ 26

Outline Dimensions....................................................................... 27

Ordering Guide .......................................................................... 27

REVISION HISTORY

10/11—Revision 0: Initial Version