The MCP4651T-103E/ST is a high-performance digital potentiometer designed by Microchip Technology, a leading provider of smart, connected, and secure embedded control solutions. This digital potentiometer, also known as a digipot, offers a versatile solution for applications requiring variable resistance adjustments through digital control signals rather than manual mechanical adjustments.

Key Features

• Resistance Value: The MCP4651T-103E/ST offers a 10kΩ nominal resistance, which is a common value suitable for a wide range of applications.
• Resolution: With a resolution of 8-bits, the device provides 256 wiper positions, allowing for fine-grained control over the resistance settings.
• Interface: This digital potentiometer is equipped with an I2C-compatible interface, enabling easy communication with microcontrollers and other digital systems.
• Dual-Channel: The device features two independent potentiometer channels, providing additional flexibility and control for multi-channel applications.
• 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.
• Package: The MCP4651T-103E/ST comes in a TSSOP-14 package, which is suitable for surface-mount technology (SMT) and offers a compact footprint for space-constrained applications.
• Operating Voltage: It operates over a wide voltage range of 2.7V to 5.5V, making it compatible with various logic levels and power supplies.
• Temperature Range: Designed for robust performance, it can operate within an extended temperature range of -40°C to +125°C.

Applications

The MCP4651T-103E/ST is an ideal choice for a variety of applications, including but not limited to adjustable power supplies, LCD screen brightness control, audio equipment, calibration and tuning circuits, and robotics. Its digital interface simplifies integration into automated systems and allows for remote adjustments, which is especially beneficial in hard-to-reach or hazardous environments.