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X9269 - Dual Digitally-Controlled Potentiometers

Description

The X9269 integrates 2 digitally controlled potentiometer (XDCP) on a monolithic CMOS integrated circuit.

The digital controlled potentiometer is implemented using 255 resistive elements in a series array.

Between each element are tap points connected to the wiper terminal through switches.

Features

  • Dual.
  • Two Separate Potentiometers.
  • 256 Resistor Taps/Pot.
  • 0.4% Resolution.
  • 2-Wire Serial Interface for Write, Read, and Transfer Operations of the Potentiometer Single Supply Device.
  • Wiper Resistance, 100Ω Typical VCC = 5V.
  • 4 Nonvolatile Data Registers for Each Potentiometer.
  • Nonvolatile Storage of Multiple Wiper Positions.
  • Power-on Recall. Loads Saved Wiper Position on Power-up.
  • Standby Current < 5µA Max.

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Full PDF Text Transcription

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NS ESIG D N EW CT F O R PR O D U D E E ND UT E Data Sheet O M M U B S TI T C E S R 0 9582 NOT SSIBLE X PO ® X9269 Single Supply/Low Power/256-Tap/2-Wire Bus April 17, 2007 FN8173.4 Dual Digitally-Controlled (XDCP™) Potentiometers FEATURES • Dual–Two Separate Potentiometers • 256 Resistor Taps/Pot–0.4% Resolution • 2-Wire Serial Interface for Write, Read, and Transfer Operations of the Potentiometer Single Supply Device • Wiper Resistance, 100Ω Typical VCC = 5V • 4 Nonvolatile Data Registers for Each Potentiometer • Nonvolatile Storage of Multiple Wiper Positions • Power-on Recall. Loads Saved Wiper Position on Power-up. • Standby Current < 5µA Max • 50kΩ, 100kΩ Versions of End to End Pot Resistance • 100 yr.
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