Microchip Technology

MCP4142-104E/SN  

Digital Potentiometers

MCP4142-104E/SN Description

The MCP4142-104E/SN is a digital potentiometer from Microchip Technology, designed for precision control and adjustment in various electronic applications. This device features a 100kΩ resistance with a tolerance of ±20%, making it suitable for applications requiring precise resistance control. The MCP4142-104E/SN is configured as a rheostat with 129 taps, providing a high level of granularity for resistance adjustment. It operates on a supply voltage ranging from 1.8V to 5.5V, ensuring compatibility with a wide range of power supplies.

The device is part of the WiperLock™ series, which offers enhanced stability and reliability. The MCP4142-104E/SN features a linear taper, ensuring consistent resistance changes across the entire range of adjustment. It employs an SPI interface for communication, allowing for easy integration into digital systems. The resistance of the wiper is typically 75Ω, ensuring minimal impact on the overall circuit performance.

MCP4142-104E/SN Features

• High Precision Control: With 129 taps and a 100kΩ resistance, the MCP4142-104E/SN offers precise control over resistance values.
• Wide Operating Voltage Range: The device operates on a supply voltage from 1.8V to 5.5V, making it versatile for various power supply configurations.
• Low Temperature Coefficient: A typical temperature coefficient of 150ppm/°C ensures stable performance across a wide temperature range.
• WiperLock™ Technology: This feature provides enhanced stability and reliability, making the device suitable for demanding applications.
• SPI Interface: The SPI interface allows for seamless integration into digital systems, simplifying control and adjustment.
• Surface Mount Packaging: The MCP4142-104E/SN is available in a surface mount package, making it ideal for compact and high-density designs.
• Compliance and Safety: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.

MCP4142-104E/SN Applications

The MCP4142-104E/SN is ideal for applications requiring precise resistance control and adjustment. Some specific use cases include:

• Audio Applications: Volume control and tone adjustment in audio systems.
• Industrial Control: Precision control in motor speed controllers and power supplies.
• Medical Devices: Calibration and adjustment in medical monitoring equipment.
• Consumer Electronics: Brightness and contrast control in display devices.
• Automotive Systems: Control and adjustment in automotive electronic systems.

Conclusion of MCP4142-104E/SN

The MCP4142-104E/SN digital potentiometer from Microchip Technology is a versatile and reliable solution for applications requiring precise resistance control. With its high precision, wide operating voltage range, and low temperature coefficient, it offers superior performance compared to similar models. The WiperLock™ technology ensures enhanced stability, making it ideal for demanding applications. The SPI interface and surface mount packaging further enhance its integration capabilities. Whether used in audio systems, industrial controls, or medical devices, the MCP4142-104E/SN provides a robust and reliable solution for precise resistance control.

MCP4142-104E/SN Documents

Download datasheets and manufacturer documentation for MCP4142-104E/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