MCP4462-104E/ST

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Digital potentiometers are one of the key components of data acquisition systems as they permit changes to potentiometer resistance to control parameters in adjustable systems. The MCP4462-104E/ST is a digital potentiometer IC from Microchip that can be used to implement variable resistors in applications. This article will explain the application fields for this IC and the working principle behind its operation.

Application Fields

The MCP4462-104E/ST comes with a wide range of features that makes it suitable for use in many different applications. This IC has a built-in EEPROM which makes it possible to configure the resistance values at any time during operation. Additionally, the device features an I2C interface and can be programmed over an I2C bus. This makes it possible to control the resistance values over a network, increasing the flexibility of the device.

In terms of its physical characteristics, the MCP4462-104E/ST can be operated in temperatures ranging from -40 to 85°C. This makes it suitable for use in industrial and automotive applications. The device also features a wide operating voltage ranging from 1.8 to 5.5V. This makes it ideal for use with a variety of battery powered systems where a low power consumption is required.

Finally, the MCP4462-104E/ST is also capable of supporting a maximum resistance range of up to 256 kΩ. This makes it ideal for use in systems that require a high resolution or a wide range of resistance values, such as in resistance control systems.

Working Principle

The MCP4462-104E/ST is a digitally programmable resistor. The device’s resistance value is adjusted via a command sent via an I2C bus. When a command is received the resistance is adjusted by writing the value to the device’s on-chip EEPROM. Once a write operation is completed the changes take effect immediately.

The MCP4462-104E/ST can be programmed for a maximum value of up to 256K ohms. This allows for the device to be used for precise resistance control applications or for providing a wide resistance range to control multiple parameters. Additionally, the device is also capable of supporting several wiper position modes like logarithmic, anti-logarithmic, and symmetric.

This allows for the device to be used for applications that require a precise controlled resistance. The device also has several supported power-down modes which allows for a reduced power consumption when the device is not in use. This makes it an ideal choice for low power applications.

Conclusion

The MCP4462-104E/ST is a digitally programmable potentiometer IC from Microchip. The device comes with many features that make it suitable for use in a wide variety of applications. Additionally, the device supports a maximum resistance range of up to 256 KΩ and can be controlled via an I2C bus. This makes it an ideal choice for resistance control systems and low power applications.

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