Microchip Technology

MCP4142-503E/SN  

Digital Potentiometers

MCP4142-503E/SN Description

The MCP4142-503E/SN is a digital potentiometer from Microchip Technology, designed to provide precise control and adjustment of resistance in various electronic circuits. This device is part of the WiperLock™ series, offering a robust and reliable solution for applications requiring high precision and stability. The MCP4142-503E/SN features a rheostat configuration with 129 taps, providing a wide range of resistance adjustment options. It operates within a supply voltage range of 1.8V to 5.5V, making it suitable for a variety of power supply environments.

MCP4142-503E/SN Features

• Resistance and Tolerance: The MCP4142-503E/SN offers a nominal resistance of 50kΩ with a tolerance of ±20%, ensuring flexibility in different circuit designs.
• Temperature Coefficient: With a temperature coefficient of 150ppm/°C, the device maintains stable performance across a wide temperature range, minimizing drift and ensuring consistent resistance values.
• Interface: The MCP4142-503E/SN utilizes an SPI interface, providing a straightforward and efficient method for digital control and communication with microcontrollers or other digital systems.
• Wiper Resistance: The typical wiper resistance is 75Ω, ensuring minimal impact on the overall circuit performance.
• Taper: The linear taper ensures a smooth and predictable change in resistance as the wiper position is adjusted.
• Compliance and Packaging: The device is RoHS3 compliant and REACH unaffected, making it suitable for environmentally conscious applications. It is packaged in a tube, ensuring safe handling and storage.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the MCP4142-503E/SN is suitable for use in various environmental conditions without the need for special handling or storage precautions.

MCP4142-503E/SN Applications

The MCP4142-503E/SN is ideal for a range of applications where precise resistance control is required. Some specific use cases include:

• Audio Applications: Volume control and tone adjustment in audio systems.
• Power Management: Adjusting voltage levels in power supply circuits.
• Sensor Calibration: Fine-tuning sensor outputs to match desired specifications.
• Medical Devices: Precise control of resistance in medical instrumentation.
• Industrial Control: Adjusting parameters in industrial automation systems.

Conclusion of MCP4142-503E/SN

The MCP4142-503E/SN from Microchip Technology is a versatile and reliable digital potentiometer that offers precise resistance control with a wide range of taps and a stable temperature coefficient. Its SPI interface and linear taper make it easy to integrate into various electronic systems, while its compliance with environmental regulations ensures it is suitable for a broad range of applications. Whether used in audio systems, power management, or industrial control, the MCP4142-503E/SN provides a high-performance solution for precise resistance adjustment.

MCP4142-503E/SN Documents

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

PCN Assembly/Origin :

Manufacturing Change 16/Feb/2022      

Datasheets :

MCP414x/416x/424x/426x      

PCN Packaging :

Packing Changes 10/Oct/2016       Label and Packing Changes 23/Sep/2015      

Design Resources :

MCP4142 Development Tool Selector      

PCN Design/Specification :

SOIC-8L Copper Bond Wire 18/Dec/2013      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH