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FEATURES AD5200—256-Position AD5201—33-Position 10 k ⍀, 50 k⍀ 3-Wire SPI-Compatible Serial Data Input Single Supply 2.7 V to 5.5 V or Dual Supply ؎ 2.7 V for AC or Bipolar Operations Internal Power-On Midscale Preset APPLICATIONS Mechanical Potentiometer Replacement Instrumentation: Gain, Offset Adjustment Programmable Voltage-to-Current Conversion Programmable Filters, Delays, Time Constants Line Impedance Matching
256-Position and 33-Position Digital Potentiometers AD5200/AD5201
FUNCTIONAL BLOCK DIAGRAM
AD5200/AD5201
VDD VSS A CS CLK SDI GND PWR-ON PRESET SER REG Dx W B 8/6 RDAC REG SHDN
GENERAL DESCRIPTION
The AD5200 and AD5201 are programmable resistor devices, with 256 positions and 33 positions respectively, that can be digitally controlled through a 3-wire SPI serial interface.