Microchip Technology MCP4661T-104E/ST Digital Potentiometer

The MCP4661T-104E/ST is a high-performance digital potentiometer manufactured by Microchip Technology, a leading provider of smart, connected, and secure embedded control solutions. This digital potentiometer, often referred to as a "digipot," is designed to function as an electronically adjustable resistor, offering a versatile solution for applications requiring precise resistance tuning.

Key Features:

• Resistance Value: The MCP4661T-104E/ST offers a maximum resistance of 100kΩ, providing ample range for various applications.
• Resolution: It features a 7-bit resolution, equating to 128 wiper positions, which allows for fine adjustments in resistance values.
• Interface: The device is equipped with an I2C interface, facilitating easy communication and integration with microcontrollers and other digital systems.
• Dual Channel: This model comes with dual channels, allowing for the control of two separate resistors within a single package, thus saving space and reducing component count.
• Operating Voltage: It operates across a wide voltage range of 2.7V to 5.5V, making it suitable for both 3.3V and 5V systems.
• Package: The MCP4661T-104E/ST is available in a surface-mount TSSOP-14 package, which is ideal for space-constrained applications while providing reliable connectivity.
• Non-volatile Memory: It includes non-volatile memory (EEPROM) to store the wiper position, ensuring the last set resistance is maintained even after power cycling.

Applications:

The MCP4661T-104E/ST is suitable for a wide range of applications, including:

• Automated calibration and tuning systems
• Audio/visual equipment for volume and tone control
• Transducer adjustment in sensors
• Feedback system control loops
• Adjustable power supplies and voltage dividers

With its robust feature set and Microchip's reputation for quality, the MCP4661T-104E/ST digital potentiometer is an excellent choice for designers looking to add precision resistance tuning to their electronic designs.