Microchip Technology MCP4461-104E/ST Digital Potentiometer

The MCP4461-104E/ST is a versatile digital potentiometer designed by Microchip Technology, a leading provider of smart, connected, and secure embedded control solutions. This compact, integrated circuit is part of the MCP4461 series and is available in a 14-pin TSSOP package, making it suitable for space-constrained applications.

The MCP4461-104E/ST features a quad-channel configuration, with each potentiometer channel having a resistance value of 100 kΩ. This quad-channel design allows for multiple adjustments or signal processing tasks within a single chip, enhancing design flexibility and reducing component count in complex circuits.

As a non-volatile device, the MCP4461-104E/ST retains its resistance settings even after power-off, ensuring consistent performance across power cycles. The digital potentiometer offers an I2C interface for communication, enabling easy integration into existing digital systems and allowing for simple adjustment of resistance settings through software control. This makes the device an excellent choice for applications requiring digital control of voltage and current, such as automated adjustments in consumer electronics, industrial equipment, and automotive systems.

The MCP4461-104E/ST operates over a wide voltage range of 2.7V to 5.5V, providing compatibility with various logic levels and supply voltages. It also boasts a temperature range of -40°C to +125°C, ensuring reliable operation in harsh environments.

Additional features of the MCP4461-104E/ST include non-volatile memory (EEPROM) for storing user-defined presets, an increment/decrement interface for simple manual adjustments, and wiper-lock technology to prevent accidental changes to the wiper position. These features, combined with the low-tempco (temperature coefficient) and high-resolution control, make the MCP4461-104E/ST a highly precise and stable solution for electronic designs that require the fine-tuning of resistance settings.

In summary, the MCP4461-104E/ST from Microchip Technology is an advanced digital potentiometer solution offering robust performance, digital control, and a compact form factor, ideal for a wide range of applications where precision and reliability are paramount.