AD5160
TABLE OF CONTENTS
Features .............................................................................................. 1
Typical Performance Characteristics ..............................................8
Test Circuits..................................................................................... 12
SPI Interface .................................................................................... 13
Theory of Operation ...................................................................... 14
Programming the Variable Resistor......................................... 14
Programming the Potentiometer Divider............................... 15
SPI-Compatible 3-Wire Serial Bus........................................... 15
ESD Protection ........................................................................... 15
Power-Up Sequence ................................................................... 15
Layout and Power Supply Bypassing ....................................... 15
Outline Dimensions....................................................................... 16
Ordering Guide .......................................................................... 16
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
Pin Configuration............................................................................. 1
General Description......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Electrical Characteristics—5 kΩ Version.................................. 3
10 kΩ, 50 kΩ, 100 kΩ Versions .................................................. 4
Timing Characteristics—All Versions....................................... 5
Absolute Maximum Ratings............................................................ 6
ESD Caution.................................................................................. 6
Pin Configuration and Function Descriptions............................. 7
REVISION HISTORY
5/09—Rev. A to Rev. B
Changes to Ordering Guide .......................................................... 16
1/09—Rev. 0 to Rev. A
Deleted Shutdown Supply Current Parameter and
Endnote 7, Table 1 ............................................................................ 3
Changes to Resistor Noise Voltage Density Parameter,
Table 1 ................................................................................................ 3
Deleted Shutdown Supply Current Parameter and
Endnote 7, Table 2 ............................................................................ 4
Changes to Resistor Noise Voltage Density Parameter,
Table 2 ................................................................................................ 4
Added Endnote to Table 3............................................................... 5
Changes to Table 4............................................................................ 6
Changes to the Rheostat Operation Section............................... 14
Deleted Terminal Voltage Operating Range Section and
Figure 41, Renumbered Figures Sequentially ............................. 13
Changes to Figure 40 and Figure 41............................................. 15
Changes to Ordering Guide .......................................................... 16
5/03—Revision 0: Initial Version
Rev. B | Page 2 of 16