Datasheet Summary
a
Features
256-Position, 2-Channel Potentiometer Replacement 10 k⍀, 50 k⍀, 100 k⍀ Power Shut-Down, Less than 5 A 2.7 V to 5.5 V Single Supply ؎2.7 V Dual Supply 3-Wire SPI-patible Serial Data Input Midscale Preset During Power-On
APPLICATIONS Mechanical Potentiometer Replacement Stereo Channel Audio Level Control Instrumentation: Gain, Offset Adjustment Programmable Voltage-to-Current Conversion Programmable Filters, Delays, Time Constants Line Impedance Matching Automotive Electronics Adjustment
2-Channel, 256-Position Digital Potentiometer
FUNCTIONAL BLOCK DIAGRAM
A1 W1 B1
A2 W2 B2
SHDN
VDD VSS CS
CLK SDI DGND
RDAC1 REGISTER R
RDAC2 REGISTER R
LOGIC
POWERON...
