Datasheet

AD5162
Rev. C | Page 2 of 20
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Electrical Characteristics: 2.5 kΩ Version ................................. 3
Electrical Characteristics: 10 kΩ, 50 kΩ, and 100 kΩ Versions
......................................................................................................... 4
Timing Characteristics: All Versions ......................................... 5
Absolute Maximum Ratings ............................................................ 6
ESD Caution .................................................................................. 6
Pin Configuration and Function Descriptions ............................. 7
Typical Performance Characteristics ............................................. 8
Test Circuits ..................................................................................... 12
Theory of Operation ...................................................................... 13
Programming the Variable Resistor and Voltage ................... 13
Programming the Potentiometer Divider ............................... 14
ESD Protection ........................................................................... 14
Terminal Voltage Operating Range ......................................... 14
Power-Up Sequence ................................................................... 14
Layout and Power Supply Bypassing ....................................... 15
Constant Bias to Retain Resistance Setting ............................. 15
Evaluation Board ........................................................................ 15
SPI Interface .................................................................................... 16
SPI-Compatible, 3-Wire Serial Bus .......................................... 16
Outline Dimensions ....................................................................... 17
Ordering Guide .......................................................................... 17
Automotive Products ................................................................. 17
REVISION HISTORY
12/10—Rev. B to Rev.C
Added Automotive Parts to Features Section ............................... 1
Added Automotive Products Paragraph...................................... 17
4/09—Rev. A to Rev. B
Changes to Features Section............................................................ 1
Changes to DC Characteristics—R
heostat Mode Parameter and
to DC Characteristics—Potentiometer Divider Mode Parameter,
Table 1 ................................................................................................ 3
Updated Outline Dimensions ....................................................... 17
Changes to Ordering Guide .......................................................... 17
11/03—Rev. 0 to Rev. A
Changes to Electrical Characteristics ............................................ 3
11/03—Revision 0: Initial Version