The X9241A Potentiometer Pinout Description and Datasheet

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The X9241A is a quad digital controlled potentiometer (XDCP), it integrates four digital potentiometer in one package. The picture below shows the X9241A pinout and the description of the symbols.

 x9241a pinout and datasheet

Symbol Description
SCL Serial Clock
SDA Serial Data
A0 to A3 Address
VHo/RHo to VH3/RH3, VLo/RLo to VL3/RL3 Potentiometers Pins (terminal equivalent)
VWo/Rwo to Vw3/Rw3 Potentiometer Pins (wiper equivalent)

 

  1. The SCL is used to clock data into and out of the X9241A
  2. SDA is a bidirectional pin used to transfer data into and out of the device
  3. The Address inputs are used to set the least significant 4-bits of the 8-bit slave address
  4. The RH and RL inputs are equivalent to the terminal connections on either end of a mechanical potentiometer
  5. VW/RW (wiper outputs) are equivalent to the wiper output of a mechanical potentiometer.

Completed Quad Digital Controlled Potentiometer can be seen in this X9241A datasheet (source: intersil.com)

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