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ISL23418 - Low Voltage Digitally Controlled Potentiometer

Description

MSOP 1 µTQFN 10 21 32 43 54 65 76 87 98 10 9 SYMBOL DESCRIPTION VLOGIC SPI bus/logic supply; range 1.2V to 5.5V SCK Logic pin: serial bus clock input SDO Logic pin: serial bus data output (configurable) SDI Logic pin: serial bus data input CS Logic pin: active low Chip Select RL DCP “lo

Features

  • 128 Resistor Taps.
  • SPI Serial Interface - No Additional Level Translator for Low Bus Supply - Daisy Chaining of Multiple DCP.
  • Wiper Resistance: 70 Typical @ VCC = 3.3V.
  • Shutdown Mode: Forces DCP into End-to-end Open Circuit; RW Shorted to RL Internally.
  • Power-on Preset to Mid-scale (64-tap Position).
  • Shutdown and Standby Current.

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Datasheet Details

Part number ISL23418
Manufacturer Renesas
File Size 1.17 MB
Description Low Voltage Digitally Controlled Potentiometer
Datasheet download datasheet ISL23418 Datasheet

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Full PDF Text Transcription

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DATASHEET ISL23418 Single, 128-Tap, Low Voltage Digitally Controlled Potentiometer (XDCP™) FN7901 Rev 1.00 September 24, 2015 The ISL23418 is a volatile, low voltage, low noise, low power, SPI™ bus, 128 taps, single digitally controlled potentiometer (DCP), which integrates DCP core, wiper switches, and control logic on a monolithic CMOS integrated circuit. The digitally controlled potentiometer is implemented with a combination of resistor elements and CMOS switches. The position of the wiper is controlled by the user through the SPI bus interface. The potentiometer has an associated volatile Wiper Register (WR) that can be directly written to and read by the user. The contents of the WR controls the position of the wiper.
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