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ISL95311 - Digitally Controlled Potentiometer

General Description

PIN NUMBER 1 SYMBOL SDA 2 GND 3 VCC 4 A1 5 A0 6 RH 7 RW 8 RL 9 V+ 10 SCL DESCRIPTION Data I/O for I2C serial interface; it has an open drain output and may be wire-or’d with other open drain active low outputs Ground Positive logic supply voltage Address select pin used to set t

Key Features

  • Non-volatile solid-state potentiometer.
  • I2C serial interface.
  • DCP terminal voltage, 0V to +13.2V.
  • 128 wiper tap points - 0.8% resolution - Wiper position stored in nonvolatile memory and recalled on power-up.
  • 127 resistive elements - Temperature compensated - Low wiper resistance 70 typical @ 3.3V.
  • Low power CMOS - Standby current, 2µA @ VCC = +3.6V.
  • High reliability - Endurance, 200,000 data changes per bit - Register data retenti.

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Datasheet Details

Part number ISL95311
Manufacturer Renesas
File Size 580.00 KB
Description Digitally Controlled Potentiometer
Datasheet download datasheet ISL95311 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DATASHEET ISL95311 Digitally Controlled Potentiometer (XDCP™), Terminal Voltage 0V to 13.2V, 128 Taps I2C Interface The Intersil ISL95311 is a digitally controlled potentiometer (XDCP). The device consists of a resistor array, wiper switches, a control section, and nonvolatile memory. The wiper position is controlled by an I2C interface. The potentiometer is implemented by a resistor array composed of 127 resistive elements and a wiper switching network. Between each element and at either end are tap points accessible to the wiper terminal. The wiper of the potentiometer has an associated volatile Wiper Counter Register (WR) and a non-volatile Initial Value Register (IVR) that can be directly written to and read by the user.