AD5293
TABLE OF CONTENTS
Features ...............................................................................................1
Write Protection ......................................................................... 14
Basic Operation .......................................................................... 14
Shutdown Mode.......................................................................... 14
Reset ............................................................................................. 15
Resistor Performance Mode...................................................... 15
Daisy-Chain Operation ............................................................. 15
RDAC Architecture.................................................................... 16
Programming the Variable Resistor......................................... 16
Programming the Potentiometer Divider............................... 16
EXT_CAP Capacitor.................................................................. 17
Terminal Voltage Operating Range.......................................... 17
Applications Information .............................................................. 18
High Voltage DAC...................................................................... 18
Programmable Voltage Source with Boosted Output............ 18
High Accuracy DAC .................................................................. 18
Audio Volume Control .............................................................. 19
Outline Dimensions ....................................................................... 20
Ordering Guide........................................................................... 20
Applications........................................................................................1
Functional Block Diagram ...............................................................1
General Description..........................................................................1
Revision History ................................................................................2
Specifications......................................................................................3
Electrical Characteristics..............................................................3
Resistor Performance (R-PERF) Mode Code Range ................4
Interface Timing Specifications...................................................5
Timing Diagrams...........................................................................6
Absolute Maximum Ratings.............................................................7
Thermal Resistance .......................................................................7
ESD Caution...................................................................................7
Pin Configuration and Function Descriptions..............................8
Typical Performance Characteristics ..............................................9
Test Circuits..................................................................................... 13
Theory of Operation ...................................................................... 14
Serial Data Interface................................................................... 14
Shift Register ............................................................................... 14
RDAC Register............................................................................ 14
REVISION HISTORY
4/09—Revision 0: Initial Version
Rev. 0 | Page 2 of 20