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X9258 Key Features

  • Four potentiometers in one package
  • 256 resistor taps/potentiometer
  • 0.4% resolution
  • 2-wire serial interface
  • Wiper resistance, 40Ωtypical @ V+ = 5V, V- = -5V
  • Four nonvolatile data registers for each potentiometer
  • Nonvolatile storage of wiper position
  • Standby current <5µA max (total package)
  • Power supplies
  • VCC = 2.7V to 5.5V

X9258 Description

DATASHEET X9258 Low Noise/Low Power/2-Wire Bus/256 Taps Quad Digital Controlled Potentiometers (XDCP™) FN8168 Rev 6.00 December 15, 2011 The X9258 integrates 4 digitally controlled potentiometers (XDCP™) on a monolithic CMOS integrated circuit. The digitally controlled potentiometer is implemented using 255 resistive elements in a series array. Between each element are tap points connected to the wiper terminal...