MCP4461-104E/ML - Digital Potentiometer IC by Microchip Technology

The MCP4461-104E/ML is a versatile digital potentiometer integrated circuit (IC) designed and manufactured by Microchip Technology, a leader in microcontroller, mixed-signal, analog, and Flash-IP solutions. This digital potentiometer, also known as a digipot, is part of Microchip's MCP4461 series and comes in a compact 20-lead QFN package, making it suitable for space-constrained applications.

The MCP4461-104E/ML operates as a quad-channel digital potentiometer with 7-bit resolution, enabling precise adjustment of resistance values. It offers four resistors with 100 kohm each, providing designers with a high degree of flexibility in controlling various electronic parameters such as signal conditioning, voltage adjustments, and filter tuning.

This digital potentiometer features a non-volatile memory (EEPROM) to store the desired resistance settings, ensuring that the last programmed settings are retained even after power is cycled. The device is capable of operating across a wide voltage range of 2.7V to 5.5V, making it compatible with various logic levels and suitable for both 3.3V and 5V systems.

The MCP4461-104E/ML supports I2C serial interface for communication, allowing it to be easily integrated into existing systems with minimal additional components. This interface also enables daisy-chaining of multiple devices on the same bus, which is particularly useful in applications requiring multiple potentiometers.

The IC is designed with an extended temperature range of -40°C to +125°C, making it robust enough for industrial applications that may be subject to harsh environmental conditions. Its applications span across various fields such as automotive, consumer electronics, portable devices, and medical equipment, where precision and reliability are paramount.

Overall, the MCP4461-104E/ML digital potentiometer from Microchip Technology is an excellent choice for engineers and designers looking for a reliable, high-performance solution for their variable resistance needs.