MCP4261-103E/ST Digital Potentiometer

The MCP4261-103E/ST is a high-performance digital potentiometer integrated circuit brought to you by Microchip Technology. This digital potentiometer offers a dual channel configuration, and it comes in a compact TSSOP-14 package, making it ideal for space-constrained applications. The MCP4261-103E/ST is designed to operate with a nominal resistance of 10kΩ, providing a versatile solution for various adjustable control applications.

This device is part of Microchip's MCP42XXX and MCP402X series, which are known for their reliability and precision. It features a 7-bit resolution (128 wiper steps) that allows for fine-tuning of the resistance levels. The wiper position of the MCP4261-103E/ST can be adjusted through an SPI (Serial Peripheral Interface), enabling easy integration with microcontrollers and other digital systems.

The MCP4261-103E/ST supports a wide operating voltage range from 2.7V to 5.5V, making it suitable for both 3.3V and 5V logic systems. Additionally, it boasts a low temperature coefficient of 150 ppm/°C, which ensures stable performance over a wide temperature range. This digital potentiometer is designed for applications that require precise control, such as:

• Adjustable power supplies
• LED lighting control
• Audio control systems
• Calibration and tuning of circuits
• Automotive electronics

For design flexibility, the MCP4261-103E/ST also features non-volatile memory (EEPROM) to store the wiper position, ensuring that the last set resistance value is retained even after power cycling. This is particularly useful for applications where the potentiometer setting needs to be preserved across restarts.

In summary, the MCP4261-103E/ST from Microchip Technology is a versatile, dual-channel digital potentiometer that offers precise resistance tuning, non-volatile memory, and easy digital interfacing, making it an excellent choice for a wide range of electronic control applications.