Datasheet

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
I
2
C-Compatible Interface............................................................... 15
Writing ......................................................................................... 15
Storing/Restoring ....................................................................... 15
Reading ........................................................................................ 15
I
2
C-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 I
2
C-Compatible Interface Section ............................ 15
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