The Microchip MCP4642-104E/UN is a digitally controlled potentiometer that offers a compact and versatile solution for applications requiring variable resistance settings. Manufactured by Microchip Technology, a leading provider of microcontroller and analog semiconductors, the MCP4642-104E/UN is part of their MCP46XX series of digital potentiometers.

Key Features

• Resistance Value: This device has a 100kΩ maximum resistance, providing a wide range for various applications.
• Dual-Channel: It features two independent potentiometer channels, offering more flexibility in a single package.
• Non-Volatile Memory: With integrated EEPROM, the MCP4642-104E/UN can store the wiper position at power down, ensuring the device retains the last position when powered back on.
• Interface: The potentiometer is equipped with an I2C™ compatible interface, allowing for easy integration into most microcontroller-based systems.
• Resolution: It offers a resolution of 7-bits per channel, providing 128 wiper steps for precise adjustments.
• Operating Voltage: The device operates on a single 2.7V to 5.5V power supply, making it suitable for both 3.3V and 5V systems.
• Extended Temperature Range: Designed for robust performance, it can operate in temperatures ranging from -40°C to +125°C.
• Package: The MCP4642-104E/UN comes in a compact, 10-lead MSOP (Mini Small Outline Package) that is suitable for space-constrained applications.

Applications

The Microchip MCP4642-104E/UN digital potentiometer is ideal for a variety of applications, including:

• Adjustable power supplies
• Calibration and tuning functions in electronic circuits
• Audio equipment for volume and tone control
• Automotive electronics for sensor calibration
• Industrial control systems for setting operational parameters

With its digital interface and non-volatile memory, the MCP4642-104E/UN provides a reliable and precise solution for digitally controlling resistance settings in electronic systems.