Datasheet

AD5161 Data Sheet
Rev. B | Page 2 of 20
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Pin Configuration ............................................................................. 1
Revision History ............................................................................... 2
Electrical Characteristics—5 kΩ Version ...................................... 3
Electrical Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions ....... 4
Timing Characteristics—5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ Versions 5
Absolute Maximum Ratings
1
.......................................................... 6
ESD Caution .................................................................................. 6
Pin Configuration and Function Descriptions ............................. 7
Typical Performance Characteristics ............................................. 8
Test Circuits ..................................................................................... 12
SPI Interface .................................................................................... 13
I
2
C Interface .................................................................................... 14
Theory of Operation ...................................................................... 15
Programming the Variable Resistor ......................................... 15
Programming the Potentiometer Divider ............................... 16
Pin Selectable Digital Interface ................................................. 16
Level Shifting for Bidirectional Interface ................................ 18
ESD Protection ........................................................................... 18
Terminal Voltage Operating Range ......................................... 18
Power-Up Sequence ................................................................... 18
Layout and Power Supply Bypassing ....................................... 18
Outline Dimensions ....................................................................... 19
Ordering Guide .......................................................................... 19
REVISION HISTORY
8/12—Rev. A to Rev. B
Changes to Applications Section .................................................... 1
Updated Outline Dimensions ....................................................... 19
4/09—Rev. 0 to Rev. A
Changes to Ordering Guide .......................................................... 19
5/03—Revision 0: Initial Version