Winbond Electronics Corporation WMS7201
The WMS7201 is a 256-tap, single-channel non-volatile digital potentiometer available in 10KΩ, 50KΩ and 100KΩ 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).| Part No. | WMS7201 |
|---|---|
| Datasheet | WMS7201 Download |
| Manufacturer |  Winbond Electronics Corporation |
| Description | 256-TAP NON-VOLATILE DIGITAL POTENTIOMETER |
| Buy | Stock & Price |
GENERAL DESCRIPTION
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. 2.FEATURES
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● 256 taps for the potentiometer End-to-end resistance available in 10KΩ, 50KΩ and 100KΩ Selectable output buffer for each channel SPI Serial Interface for data transfer and potentiometer control Daisy-chain operat...
