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ISL22444

Renesas
Part Number ISL22444
Manufacturer Renesas
Description Quad Digitally Controlled Potentiometer
Published Jun 15, 2019
Detailed Description ISL22444 NOT RECOMMENDED FOR NEW DESIGNS RECOMMENDED REPLACEMENT PART ISL22424 Quad Digitally Controlled Potentiometer...
Datasheet PDF File ISL22444 PDF File

ISL22444
ISL22444

Overview
ISL22444 NOT RECOMMENDED FOR NEW DESIGNS RECOMMENDED REPLACEMENT PART ISL22424 Quad Digitally Controlled Potentiometer (XDCP™) Low Noise, Low Power, SPI® Bus, 256 Taps DATASHEET FN6426 Rev 0.
00 May 24, 2007 The ISL22444 integrates four digitally controlled potentiometers (DCP), control logic and non-volatile memory on a monolithic CMOS integrated circuit.
The digitally controlled potentiometers are implemented with a combination of resistor elements and CMOS switches.
The wipers position is controlled by the user through the SPI serial interface.
Each potentiometer has an associated volatile Wiper Register (WRi) and a non-volatile Initial Value Register (IVRi) that can be directly written to and read by the user.
The contents of the WRi control the position of the wiper.
At power-up the device recalls the contents of the DCP’s IVRi to the corresponding WRi.
The ISL22444 also has 11 General Purpose non-volatile registers that can be used as storage of lookup table for multiple ...


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