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Description:Nonvolatile, Dual, 256-Position Digital Potentiometer
Manufacturer:Analog Devices
Datasheet:PDF (278K).
Click here to download *)

The AD5232 device provides a nonvolatile, dual-channel, digitally controlled variable resistor (VR) with 256-position resolution. These devices perform the same electronic adjustment function as a potentiometer or variable resistor. The AD5232's versatile programming via a microcontroller allows multiple modes of operation and adjustment. In the direct program mode a predetermined setting of the RDAC register can be loaded directly from the microcontroller. Another key mode of operation allows the RDAC register to be refreshed with the setting previously stored in the EEMEM register. When changes are made to the RDAC register to establish a new wiper position, the value of the setting can be saved into the EEMEM by executing an EEMEM save operation. Once the settings are saved in the EEMEM register these values will be automatically transferred to the RDAC register to set the wiper position at system power ON. Such operation is enabled by the internal preset strobe and the preset can also be accessed externally.

Click here to download AD5232BRUZ100 Datasheet
Click here to download AD5232BRUZ100 Datasheet
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