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X9259 - Quad Digitally-Controlled (XDCP) Potentiometers

Datasheet Summary

Description

The X9259 integrates 4 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

  • Quad.
  • Four separate potentiometers.
  • 256 resistor taps/pot.
  • 0.4% resolution.
  • 2-Wire Serial Interface for write, read, and transfer operations of the potentiometer.
  • 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.
  • VCC: 2.7V t.

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Datasheet preview – X9259

Datasheet Details

Part number X9259
Manufacturer Xicor
File Size 400.89 KB
Description Quad Digitally-Controlled (XDCP) Potentiometers
Datasheet download datasheet X9259 Datasheet
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Full PDF Text Transcription

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APPLICATION NOTES AND DEVELOPMENT SYSTEM A V A I L A B L E AN99 • AN115 • AN124 •AN133 • AN134 • AN135 Single Supply / Low Power / 256-tap / 2-Wire bus X9259 Quad Digitally-Controlled (XDCPTM) Potentiometers FEATURES • Quad–Four separate potentiometers • 256 resistor taps/pot–0.4% resolution • 2-Wire Serial Interface for write, read, and transfer operations of the potentiometer • 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 • VCC: 2.7V to 5.5V Operation • 50KΩ, 100KΩ versions of End to End Pot Resistance • Endurance: 100,000 Data Changes per Bit per Register • 100 yr.
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