Data Sheet

AD5110/AD5112/AD5114

TABLE OF CONTENTS

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Rev. D | 2 of 28

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

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

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

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

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...........................................19

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

EEPROM Write Acknowledge Polling.............. 23

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

Reset................................................................24

Shutdown Mode............................................... 24

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

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

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

Terminal Voltage Operating Range.................. 25

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

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

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

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

RAB (kΩ), Resolution, and I2C Address

Options........................................................... 27

Evaluation Boards............................................ 28

REVISION HISTORY

5/2024—Rev. C to Rev. D

Changed Master to Controller and Slave to Target (Throughout).................................................................... 1

Changes to Ordering Guide........................................................................................................................... 27

1/2022—Rev. B to Rev. C

Changes to Single-Supply Power Range Parameter, Logic Supply Range Parameter, and Bandwidth

Parameter, Table 2.........................................................................................................................................3

Changes to Single-Supply Power Range Parameter, Logic Supply Range Parameter, and Bandwidth

Parameter, Table 3.........................................................................................................................................5

Changes to Single-Supply Power Range Parameter, Logic Supply Range Parameter, and Bandwidth

Parameter, Table 4.........................................................................................................................................7

Changes to Note 2, Table 6............................................................................................................................11

Moved Figure 45............................................................................................................................................23

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