MCP4162T-104E/MS

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MCP4162T-104E/MS application field and working principle

As a specialized type of data acquisitions, digital potentiometers are widely used for vast applications in various areas, such as motor control, consumer audio and earbuds, automotive sensing, and other types of control systems. MCP4162T-104E/MS from Microchip is an advanced, low-power and easy to use digital potentiometer which has a wide range of applications.

In terms of connecting to ambient environment, MCP4162T-104E/MS supports SPI, I²C and I²S communication. It also features an on-board precision buffer with shutdown control and a combined resistance of 10 kΩ offer nonvolatile adjustment range. Furthermore, it requires a low supply voltage of 1.7V to 5.5V, and at the same time it supports dual-supply voltage both voltage and current control. With such convenient feature, it greatly enlarges the potential applications of digital potentiometers.

In terms of performance, MCP4162T-104E/MS can offer an adjustable resistance range of 13 steps, with each step equal to 1/256 of the total range. It also enables low shutting current value of 2.0µA, and its interface communication speed is up to 1MHz. Besides, it supports the temperature range from -40℃ to 125℃, with a total package of 8-pin SOIC.

Next, we will have a look at the working principle of the MCP4162T-104E/MS digital potentiometer. The electric potentials of the two ends of the resistance form the output of the device. With the electric potential applied, an electronic switch is closed to allow electric current to flow through the device. With the help of SPI, I²C and I²S, electric potentials are transmitted through a communication interface from the digital potentiometer to the connected device. The SPI, I²C and I²S can also be used to control the device\'s adjustments, by changing the resistance values with the help of the digital potentiometer. Lastly, the digital potentiometer can be used for monitoring and for the adjustment of the duty cycle, frequency, or other operating parameters.

In conclusion, Microchip\'s MCP4162T-104E/MS is a low-power and easy to use digital potentiometer. It features connecting to ambient environment with SPI, I²C and I²S communication, requires a low supply voltage between 1.7V and 5.5V, and supports an adjustable resistance range of 13 steps which is equal to 1/256 of the total range. Together with its great performance, it can be used for motor control, consumer audio, earbuds, automotive sensing, monitoring and adjustment of the duty cycle, frequency or other operating parameters.

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