AD5258
Data Sheet
TABLE OF CONTENTS
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
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
REVISION HISTORY
1/13—Rev. C to Rev. D
3/07—Rev. 0 to Rev. A
Changes to Zero-Scale Error Parameter and Logic Supply
Parameter, Table 1..............................................................................3
Removed Evaluation Board Section and Figure 43, Renumbered
Sequentially ......................................................................................19
Updated Format..................................................................Universal
Changes to Features Section ............................................................1
Changes to General Description Section .......................................1
Changes to Table 4.............................................................................7
Changes to I2C Interface Section.................................................. 15
Changes to Table 5.......................................................................... 16
Changes to Multiple Devices on One Bus Section..................... 19
5/10—Rev. B to Rev. C
Changes to Storing/Restoring Section......................................... 15
Changes to Table 7.......................................................................... 16
Changes to Table 14........................................................................ 17
3/05—Revision 0: Initial Version
1/10—Rev. A to Rev. B
Changes to Figure 44...................................................................... 20
Updated Outline Dimensions....................................................... 21
Rev. D | Page 2 of 24
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