MCP4561-103E/MS - Digital Potentiometer IC by Microchip Technology

The MCP4561-103E/MS from Microchip Technology is a highly versatile digital potentiometer IC designed to offer precision and control in a compact package. This digital potentiometer, also known as a digipot, emulates the analog functionality of a traditional potentiometer and provides an electronic adjustment capability that can be controlled via a digital interface.

Key Features

• Resistance Value: The MCP4561 comes with a resistance value of 10kΩ, allowing for a wide range of applications in various circuits.
• Resolution: It features a 7-bit resolution, yielding 128 resistive steps, which gives designers the ability to make fine adjustments to the resistance level.
• Interface: The device uses a standard I²C interface for communication, enabling easy integration with most microcontrollers and digital systems.
• Package: Housed in an MSOP-8 package, the MCP4561-103E/MS is designed for space-constrained applications, maintaining a small footprint on the PCB.
• Non-volatile Memory: It includes non-volatile memory (EEPROM) to store the wiper position for future use, ensuring the device retains the last programmed resistance value even after power cycling.
• Operating Voltage: The operating voltage range of 2.7V to 5.5V makes it suitable for both 3.3V and 5V systems.
• Temperature Range: The MCP4561-103E/MS can operate over an industrial temperature range of -40°C to +125°C, ensuring reliable performance in harsh environments.

Applications

The MCP4561-103E/MS digital potentiometer is ideal for a variety of applications, including:

• Adjustable power supplies
• Calibration and tuning systems
• Consumer electronics volume control
• LED brightness control
• Automotive electronics adjustments

With its precision control and reliable performance, the MCP4561-103E/MS digital potentiometer from Microchip Technology is an excellent choice for designers looking to add an adjustable resistance element to their electronic projects.