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CAT5251 - Quad Digital Potentiometer

General Description

The CAT5251 is four digital POTs integrated with control logic and 16 bytes of NVRAM memory.

Each digital POT consists of a series of resistive elements connected between two externally accessible end points.

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Datasheet Details

Part number CAT5251
Manufacturer onsemi
File Size 190.80 KB
Description Quad Digital Potentiometer
Datasheet download datasheet CAT5251 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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CAT5251 Quad Digital Potentiometer (POT) with 256 Taps and SPI Interface Description The CAT5251 is four digital POTs integrated with control logic and 16 bytes of NVRAM memory. Each digital POT consists of a series of resistive elements connected between two externally accessible end points. The tap points between each resistive element are connected to the wiper outputs with CMOS switches. A separate 8-bit control register (WCR) independently controls the wiper tap switches for each digital POT. Associated with each wiper control register are four 8-bit non-volatile memory data registers (DR) used for storing up to four wiper settings. Writing to the wiper control register or any of the non-volatile data registers is via a SPI serial bus.