AD5258

Data Sheet

Rev. D | Page 2 of 24

TABLE OF CONTENTS

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

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

Functional Block Diagrams............................................................. 1

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

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

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 Interface..................................................................................... 15

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

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

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

I2C Byte Formats............................................................................. 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

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

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

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

Ordering Guide .......................................................................... 21

REVISION HISTORY

1/13—Rev. C to Rev. D

Changes to Zero-Scale Error Parameter and Logic Supply

Parameter, Table 1..............................................................................3

Removed Evaluation Board Section and Figure 43, Renumbered

Sequentially ......................................................................................19

5/10—Rev. B to Rev. C

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

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

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

1/10—Rev. A to Rev. B

Changes to Figure 44...................................................................... 20

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

3/07—Rev. 0 to Rev. A

Updated Format..................................................................Universal

Changes to Features Section ............................................................1

Changes to General Description Section .......................................1

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

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

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

3/05—Revision 0: Initial Version