Microchip Technology MCP4561-104E/MS Digital Potentiometer

The MCP4561-104E/MS is a high-performance digital potentiometer integrated circuit manufactured by Microchip Technology, designed to provide precision resistive scaling in a variety of electronic applications. This digital potentiometer offers a compact and versatile solution for applications requiring variable resistance adjustments through digital control signals rather than manual mechanical adjustments.

Key Features

• Resistance Value: The MCP4561-104E/MS features a resistance value of 100 kΩ, which can be adjusted through its 8-bit resolution, providing 256 wiper positions for smooth transitions and precise setting of the resistance level.
• Interface: It supports an I2C-compatible interface, allowing for easy communication with microcontrollers and other digital systems. This simplifies integration into existing designs and facilitates control over multiple devices on the same bus.
• Package: Housed in an MSOP (Mini Small Outline Package), the MCP4561-104E/MS is optimized for space-constrained applications, providing a small footprint without compromising on functionality.
• Operating Voltage: It operates over a wide voltage range of 2.7V to 5.5V, making it suitable for both 3.3V and 5V systems and ensuring compatibility with a broad range of electronic components.
• Non-volatile Memory: The device includes non-volatile memory (EEPROM) to store the wiper position, ensuring that the last programmed position is retained even after power is cycled.
• Temperature Range: The MCP4561-104E/MS is designed to perform reliably in a variety of environments, with an operational temperature range of -40°C to +125°C.

Applications

This digital potentiometer is ideal for a multitude of applications, including but not limited to:

• Calibration and tuning of system parameters
• Adjustable power supplies and voltage dividers
• Audio equipment volume and tone control
• Automotive electronics for sensor adjustments
• Feedback systems requiring precise resistance adjustments

With its robust design, precision control, and flexibility, the MCP4561-104E/MS from Microchip Technology stands out as an exceptional choice for designers and engineers looking to add digital potentiometer functionality to their next project.