The MCP4442-104E/ST is a high-performance, digitally-controlled potentiometer (digipot) developed by Microchip Technology. This versatile device offers a convenient solution for applications requiring precise resistance tuning controlled via a digital interface. The MCP4442-104E/ST is well-suited for a wide range of applications, including calibration, adjustable power supplies, and signal conditioning tasks.

Key Features:

• Resistance Value: The MCP4442-104E/ST offers a max resistance of 100kΩ, with four (4) resistor network channels.
• Interface: This digipot can be easily interfaced with microcontrollers via an I²C compatible serial interface, allowing for simple integration into digital systems.
• Resolution: It features 7-bits (128 wiper steps) resolution, which provides fine adjustment capability for the output.
• Operating Voltage: The operating voltage range of 2.7V to 5.5V makes it suitable for both 3.3V and 5V systems.
• Package: Encased in a TSSOP-14 package, the MCP4442-104E/ST is designed for space-saving on PCBs and is suitable for automated assembly processes.
• Temperature Range: The device can operate over the industrial temperature range of -40°C to +125°C, ensuring reliable performance under varying environmental conditions.
• Non-Volatile Memory: Integrated non-volatile memory (EEPROM) allows the device to retain the wiper position upon power cycling, providing design flexibility and ease of use.

Applications:

With its precision control and robust feature set, the MCP4442-104E/ST is ideal for applications such as:

• Automated adjustments to match impedance
• Volume control in audio systems
• Backlight adjustment for displays
• Calibration systems for sensors

In conclusion, the Microchip MCP4442-104E/ST is a reliable and flexible digital potentiometer that offers designers a compact and precise solution for a myriad of electronic control applications.