Datasheet

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
I
2
C Interface ..................................................................................... 15
Writing ......................................................................................... 15
Storing/Restoring ....................................................................... 15
Reading ........................................................................................ 15
I
2
C 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 I
2
C Interface Section .................................................. 15
Changes to Table 5 .......................................................................... 16
Changes to Multiple Devices on One Bus Section ..................... 19
3/05—Revision 0: Initial Version