Microchip Technology

MCP4442-502E/ST  

Digital Potentiometers

MCP4442-502E/ST Description

The MCP4442-502E/ST is a high-performance digital potentiometer from Microchip Technology, designed to offer precise control and flexibility in a wide range of electronic applications. This device is part of the WiperLock™ series, known for its robustness and reliability. The MCP4442-502E/ST features a rheostat configuration with 129 taps, providing fine granularity for resistance adjustment. It operates within a supply voltage range of 1.8V to 5.5V, making it suitable for various power supply environments. The resistance value is 5kΩ with a tolerance of ±20%, ensuring stable performance across different conditions. The device also boasts a low temperature coefficient of 150ppm/°C, minimizing drift over temperature variations.

The MCP4442-502E/ST is equipped with a linear taper, which ensures consistent resistance changes with each tap adjustment. It supports an I2C interface, allowing easy integration into systems that require digital control. The device includes selectable address features, enhancing its versatility in multi-device configurations. The resistance at the wiper is typically 75Ω, ensuring minimal impact on circuit performance. The device is packaged in a 14TSSOP tube, suitable for surface mount applications, and has a moisture sensitivity level (MSL) of 1, indicating it is unaffected by moisture, making it ideal for a variety of manufacturing processes.

MCP4442-502E/ST Features

• Configuration: Rheostat
• Resistance: 5kΩ with ±20% tolerance
• Number of Taps: 129
• Taper: Linear
• Interface: I2C
• Selectable Address: Enhances versatility in multi-device configurations
• Temperature Coefficient: 150ppm/°C, ensuring stable performance over temperature variations
• Supply Voltage Range: 1.8V to 5.5V, suitable for diverse power supply environments
• Wiper Resistance: Typically 75Ω, minimizing impact on circuit performance
• Package: 14TSSOP tube, ideal for surface mount applications
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for various manufacturing processes
• Compliance: REACH Unaffected and ROHS3 Compliant, ensuring environmental and regulatory compliance

MCP4442-502E/ST Applications

The MCP4442-502E/ST is ideal for applications requiring precise resistance control and digital adjustability. Its linear taper and 129 taps provide fine granularity, making it suitable for applications such as:

• Audio Systems: Volume control and tone adjustment
• Power Management: Voltage and current regulation
• Sensor Calibration: Adjusting sensitivity and range
• Medical Devices: Precision control in diagnostic equipment
• Industrial Automation: Calibration and control of process parameters
• Consumer Electronics: Adjusting display brightness and contrast

The device's I2C interface and selectable address feature make it particularly useful in systems with multiple digital potentiometers, allowing for efficient control and configuration. Its wide operating voltage range and low temperature coefficient ensure reliable performance across various operating conditions.

Conclusion of MCP4442-502E/ST

The MCP4442-502E/ST from Microchip Technology is a versatile and reliable digital potentiometer, offering precise resistance control and digital adjustability. Its rheostat configuration, 129 taps, and linear taper provide fine granularity and consistent performance. The device's wide operating voltage range, low temperature coefficient, and I2C interface make it suitable for a variety of applications, from audio systems to industrial automation. The selectable address feature enhances its versatility in multi-device configurations, while its compliance with REACH and ROHS3 ensures environmental and regulatory standards are met. The MCP4442-502E/ST is an excellent choice for engineers seeking a robust and flexible digital potentiometer solution.

MCP4442-502E/ST Documents

Download datasheets and manufacturer documentation for MCP4442-502E/ST

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