256-tap Non-volatile Digital Potentiometer

The WMS7201 is a 256-tap, single-channel non-volatile Digital Potentiometer available in 10K, 50K and 100K end-to-end resistances. These devices CAN be used as a three-terminal potentiometer or as a two terminal variable resistor in a wide variety of applications. The output of the potentiometer is determined by the wiper position, which varies linearly between VA and VB terminal according to the content stored in the volatile Tap Register (TR). The settings of the TR CAN be provided either directly by the user through the industry standard SPI Interface or by the non-volatile memory (NVMEM0~3) where the previous settings are stored. When changes are made to the TR to establish a new wiper position, the value of the setting CAN be saved into any non-volatile memory location (NVMEM0~3) by executing a NVMEM save operation. Upon powerup the content of the NVMEM0 is automatically loaded to the Tap Register The WMS7201 contains a single potentiometer in 8-pin PDIP, SOIC, MSOP or 10 pin TSSOP packages and CAN operate over a wide operating voltage range from 2.7V to 5.5V. A selectable output Buffer is built-in for those applications where an output Buffer is required. By Winbond Electronics Corp America
WMS7201 's PackagesWMS7201 's pdf datasheet

WMS7201 Pinout, Pinouts
WMS7201 pinout,Pin out
This is one package pinout of WMS7201,If you need more pinouts please download WMS7201's pdf datasheet.

WMS7201 Application circuits
WMS7201 circuits
This is one application circuit of WMS7201,If you need more circuits,please download WMS7201's pdf datasheet.

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