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Partname: | CAT5261WI50 |
Description: | Dual Digitally Programmable Potentiometers (DPP???) with 256 Taps and SPI Interface |
Manufacturer: | ON Semiconductor |
Datasheet: | PDF (253K). Click here to download *) |
The CAT5261 is two Digitally Programmable Potentiometers (DPPsTM) integrated with control logic and 8 bytes of NVRAM memory. Each DPP 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 DPP. 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 nonvolatile data registers is via a SPI serial bus. On powerup, the contents of the first data register (DR0) for each of the potentiometers is automatically loaded into its respective wiper control register. |
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![Click here to download CAT5261WI50 Datasheet](../../../pndecoder/datasheets/ON/img/005164.gif) Click here to download CAT5261WI50 Datasheet*) |
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