MCP4362T-103E/ST

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MCP4362T-103E/ST is a digital potentiometer with a memory capacity of 1K bits that can be used in a wide range of applications, from thin-film resistors and capacitor trimming to high-density resistor/capacitor networks and backplane adjustment. It is also suitable for use in active-filter design and resistor selection, providing more flexibility and accuracy than standard potentiometers. The MCP4362T-103E/ST is a dual-channel device that allows two independently controlled wiper positions. This feature can be used to the advantage to provide multiple-position switching.

The MCP4362T-103E/ST can be divided into two versions. The MCP4362T-103E is a 7-bit, 256-step version and the MCP4362T-103ST is a 10-bit, 1024-step version. These two versions have the same pin-out configuration, which makes them ideal for use in a variety of applications. The wiper pointer output is provided by the LSB (least significant bit) or MSB (most significant bit) of the output register.

The device is designed to be used in a wide variety of applications, including medical and industrial control. With a typical resistance accuracy of 0.5% and low quiescent current of 0.1µA, the device is suitable for both low current applications as well as high-current applications. To take advantage of the device’s high frequency capability, the wiper output can be used as a reference for an adjustable op-amp circuit to provide 10-bit resolution. The low power consumption of the device means that it can be used in battery powered applications.

The MCP4362T-103E/ST offers a range of options for data acquisition. It has a power-on reset function that helps the device to return to the default position in the absence of external signals, and a wide range of logic levels is supported. The digital interface is 3-wire SPI and I2C compatible, so the user can connect it directly to a microcontroller. The wiper position can also be controlled by a logic signal and the SPI/I2C interface.

The working principle of the MCP4362T-103E/ST is based on the function of a voltage divider. Its two terminal resistors are adjustable in series, maintaining a voltage ratio between them. The voltage of the center point (wiper) is determined by the relative positions of the two resistors. The two terminal resistors are controlled by the wiper pointer value, which is written to the potentiometer. The wiper pointer output is updated by writing to the input register of the device.

The MCP4362T-103E/ST is an ideal device for many applications where a digital potentiometer is required. It has a small form factor and low power consumption, which make it suitable for use in mobile applications. It is also suitable for use in a variety of high frequency, low current applications. The wiper pointer output can be used as a reference signal or to adjust the gain of an adjustable op-amp circuit. This makes the device an ideal choice for active-filter design and resistor selection.

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