Microchip Technology

MCP4142-503E/P  

Digital Potentiometers

MCP4142-503E/P Description

The MCP4142-503E/P is a digital potentiometer from Microchip Technology, designed to provide precise resistance control in a variety of electronic applications. This device features a 50kΩ rheostat configuration with 129 taps, offering a wide range of resistance values for fine-tuning. The MCP4142-503E/P operates within a supply voltage range of 1.8V to 5.5V, making it suitable for both low-power and standard voltage systems. It has a temperature coefficient of 150ppm/°C, ensuring stable performance across different operating temperatures. The device is housed in a through-hole package, specifically an 8-DIP tube, which is ideal for applications requiring robust mechanical stability and ease of integration into printed circuit boards.

MCP4142-503E/P Features

• Configuration: Rheostat
• Resistance: 50kΩ with a tolerance of ±20%
• Number of Taps: 129, providing high-resolution resistance control
• Temperature Coefficient: 150ppm/°C, ensuring stable performance across varying temperatures
• Supply Voltage: 1.8V to 5.5V, suitable for a wide range of power supply requirements
• Interface: SPI, allowing for easy digital control and integration with microcontrollers
• Wiper Resistance: Typically 75Ω, minimizing the impact on circuit performance
• Taper: Linear, providing a consistent change in resistance with each tap
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental safety and regulatory compliance
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for storage and handling in various environments
• Series: WiperLock™, offering enhanced reliability and performance

MCP4142-503E/P Applications

The MCP4142-503E/P is ideal for applications requiring precise resistance control and digital adjustment. Some specific use cases include:

• Audio Applications: Volume control in audio systems, where the linear taper and high-resolution taps provide smooth and precise adjustments.
• Industrial Control: Calibration and adjustment of sensors and actuators in industrial environments, benefiting from the device's robustness and wide operating voltage range.
• Medical Devices: Fine-tuning of medical equipment, where the stability and reliability of the MCP4142-503E/P ensure accurate and consistent performance.
• Automotive Electronics: Adjusting resistance in automotive systems, such as climate control or infotainment systems, where the device's temperature coefficient and voltage range are critical.
• Consumer Electronics: Enhancing user experience in devices like remote controls or portable electronics by providing precise control over various functions.

Conclusion of MCP4142-503E/P

The MCP4142-503E/P digital potentiometer from Microchip Technology stands out for its combination of high-resolution resistance control, robust mechanical and electrical characteristics, and ease of integration. Its wide operating voltage range, low temperature coefficient, and compliance with environmental regulations make it a versatile and reliable choice for a variety of applications. The WiperLock™ series ensures enhanced performance and reliability, making the MCP4142-503E/P an ideal solution for designers looking to implement precise and stable resistance control in their systems.

MCP4142-503E/P Documents

Download datasheets and manufacturer documentation for MCP4142-503E/P

DTS :

View in Development Tools Selector      

PCN :

Product Change Notification (PDF)