MCP45HV31T-502E/ST

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Data Acquisition-Digital Potentiometers are resistive devices that can be used to adjust the electrical resistance between the two terminal pins. In the MCP45HV31T-502E/ST, the resistance can be adjusted using an SPI interface. Additionally, the device is able to store the last setting automatically during power cycles. This makes it an ideal choice for applications that require precise control of the resistance without having to worry about powering the device on and off.The device has a 32-tap wiper voltage divider arrangement. This is why it provides the ability to adjust the electrical resistance between the two terminal pins. The parts are also particularly small and are available in a variety of packages. This makes them ideal for applications with limited space.The MCP45HV31T-502E/ST works by having two digital pins and two analog input pins. The control signal provided by the digital pins is first converted to an analog signal by the device. This analog signal is then used to adjust the resistance between the two terminal pins. The resistance is adjusted by changing the voltage on the wiper terminal.The device can also be used to generate a reference voltage. This is done by connecting the wiper voltage divider to an external precision reference Voltage. The reference voltage can then be used to calibrate the device. This is useful in applications that require higher accuracy.The device is capable of storing the adjusted resistance even when it is powered off. This is done by using an internal EEPROM. The device is equipped with a power on Reset circuit that ensures that the resistance settings remain intact during power outages. The device also has some advanced features such as temperature compensation and output short circuit protection. This makes it even more attractive for use in applications that require precise control. The device is also RoHS compliant and contains parts that are lead free.In conclusion, the MCP45HV31T-502E/ST is a very attractive device for applications that require precise control over the electrical resistance between two terminal pins. It is small, RoHS compliant, and has features such as temperature compensation and output short circuit protection. Additionally, it can store the last setting automatically during power cycles. This makes it an ideal choice for applications that require precise control of the resistance without having to worry about powering the device on and off.

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