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X9401 - Quad Digitally Potentiometer

Datasheet Summary

Description

The X9401 integrates 4 digitally controlled potentiometers (XDCP) on a monolithic CMOS integrated microcircuit.

The digitally controlled potentiometer is implemented using 64 resistive elements in a series array.

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

Features

  • Quad - 4 Separate Pots, 64 Taps/Pot.
  • Nonvolatile Storage of Wiper Position.
  • Four Nonvolatile Data Registers for Each Pot.
  • 16-bytes of EEPROM Memory.
  • SPI Serial Interface.
  • RTOTAL = 10k.
  • Wiper Resistance = 150 Typical.
  • Standby Current < 3µA (Total Package).
  • Operating Current < 700µA max.
  • VCC = 2.7V to 5V.
  • 24 Ld SOIC and 24 Ld TSSOP Package.
  • 100 year Data Retention.
  • Pb-Free Avail.

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Datasheet preview – X9401

Datasheet Details

Part number X9401
Manufacturer Renesas
File Size 821.62 KB
Description Quad Digitally Potentiometer
Datasheet download datasheet X9401 Datasheet
Additional preview pages of the X9401 datasheet.

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Full PDF Text Transcription

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DATASHEET X9401 Low Noise/Low Power/SPI Bus Quad, 64 Tap, Digitally Controlled Potentiometer (XDCP™) FN8190 Rev 5.00 September 14, 2015 Description The X9401 integrates 4 digitally controlled potentiometers (XDCP) on a monolithic CMOS integrated microcircuit. The digitally controlled potentiometer is implemented using 64 resistive elements in a series array. Between each element are tap points connected to the wiper terminal through switches. The position of the wiper on the array is controlled by the user through the SPI bus interface. Each potentiometer has associated with it a volatile Wiper Counter Register (WCR) and 4 nonvolatile Data Registers (DR0:DR3) that can be directly written to and read by the user.
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