AD5259

Data Sheet

Rev. C | Page 2 of 24

TABLE OF CONTENTS

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

Electrical Characteristics............................................................. 3

Timing Characteristics ................................................................ 5

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

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

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

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

Test Circuits..................................................................................... 13

Theory of Operation ...................................................................... 14

Programming the Variable Resistor......................................... 14

Programming the Potentiometer Divider............................... 14

I2C-Compatible Interface............................................................... 15

Writing......................................................................................... 15

Storing/Restoring ....................................................................... 15

Reading ........................................................................................ 15

I2C-Compatible Format................................................................. 16

Generic Interface........................................................................ 16

Write Modes................................................................................ 16

Read Modes................................................................................. 17

Store/Restore Modes .................................................................. 17

Tolerance Readback Modes ...................................................... 18

ESD Protection of Digital Pins and Resistor Terminals........ 19

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

Layout and Power Supply Bypassing ....................................... 19

Multiple Devices on One Bus ................................................... 19

Evaluation Board ........................................................................ 19

Display Applications ...................................................................... 20

Circuitry ...................................................................................... 20

Outline Dimensions....................................................................... 21

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

REVISION HISTORY

10/12—Rev. B to Rev. C

Changed Maximum Temperature Value from 85°C to 125°C

(Throughout) .................................................................................... 1

Changes to Table 1............................................................................ 3

Updated Outline Dimensions....................................................... 21

Changes to Ordering Guide .......................................................... 22

5/10—Rev. A to Rev. B

Changes to Figure 5.......................................................................... 7

Changes to Storing/Restoring Section......................................... 15

Changes to Table 7.......................................................................... 16

Changes to Table 14........................................................................ 17

Updated Outline Dimensions....................................................... 21

7/05—Rev. 0 to Rev. A

Added 10-Lead LFCSP ......................................................Universal

Changes to Features Section and

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

Changes to Table 1.............................................................................3

Changes to Table 2 and Added Figure 4.........................................5

Changes to Table 4.............................................................................7

Changes to Figure 27 Caption ...................................................... 11

Changes to Theory of Operation Section.................................... 14

Changes to Table 5.......................................................................... 16

Changes to Multiple Devices on One Bus Section..................... 19

Updated Figure 49 Caption........................................................... 21

Changes to Ordering Guide.......................................................... 21

2/05—Revision 0: Initial Version