Microchip Technology

MCP4342-502E/ST  

Digital Potentiometers

MCP4342-502E/ST Description

The MCP4342-502E/ST is a high-performance digital potentiometer from Microchip Technology, designed for applications requiring precise resistance control. This device features a 5kΩ resistance with a tolerance of ±20%, offering a wide range of resistance values for fine-tuning circuits. The MCP4342-502E/ST is configured as a rheostat with 129 taps, providing a high level of granularity in resistance adjustment. It operates within a supply voltage range of 1.8V to 5.5V, making it suitable for various power supply configurations.

The device is housed in a 14-pin TSSOP package and is available in a tube format, ideal for surface mount applications. It features a temperature coefficient of 150ppm/°C, ensuring stable performance across a wide temperature range. The MCP4342-502E/ST is RoHS3 compliant and REACH unaffected, meeting stringent environmental and regulatory standards. It also has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited exposure to standard manufacturing environments.

MCP4342-502E/ST Features

• High Precision and Flexibility: With 129 taps and a 5kΩ resistance, the MCP4342-502E/ST offers precise control over resistance values, making it ideal for applications requiring fine-tuning.
• Wide Operating Voltage Range: The device operates from 1.8V to 5.5V, providing compatibility with a variety of power supply configurations.
• Low Temperature Coefficient: A temperature coefficient of 150ppm/°C ensures stable performance across different environmental conditions.
• Linear Taper: The linear taper characteristic allows for consistent and predictable resistance changes, enhancing the accuracy of resistance adjustments.
• SPI Interface: The MCP4342-502E/ST features an SPI interface for easy integration with microcontrollers and other digital systems, simplifying control and programming.
• WiperLock™ Series: This series provides enhanced reliability and performance, with a typical wiper resistance of 75Ω, ensuring minimal impact on circuit performance.
• Compliance and Durability: RoHS3 compliance and REACH unaffected status ensure the device meets environmental and regulatory standards, while an MSL of 1 ensures durability in manufacturing environments.

MCP4342-502E/ST Applications

The MCP4342-502E/ST is well-suited for a variety of applications where precise resistance control is essential. Some specific use cases include:

• Audio Applications: Ideal for volume control and tone adjustment in audio equipment, providing smooth and precise control over audio signals.
• Industrial Control Systems: Useful for adjusting gain and offset in sensor interfaces and signal conditioning circuits, ensuring accurate and reliable performance.
• Medical Devices: Suitable for medical equipment where precise resistance control is required for calibration and adjustment of critical parameters.
• Consumer Electronics: Applicable in devices such as digital cameras and portable media players for adjusting brightness, contrast, and other settings.
• Automotive Systems: Can be used in automotive electronics for adjusting various parameters in control systems, ensuring optimal performance and safety.

Conclusion of MCP4342-502E/ST

The MCP4342-502E/ST from Microchip Technology is a versatile and high-performance digital potentiometer that offers precise resistance control with a wide range of taps and a stable temperature coefficient. Its SPI interface and surface mount package make it easy to integrate into modern electronic designs. The device's compliance with environmental and regulatory standards ensures it is suitable for a variety of applications, from consumer electronics to industrial control systems. The MCP4342-502E/ST stands out for its reliability, precision, and flexibility, making it an excellent choice for engineers and designers looking for a robust digital potentiometer solution.

MCP4342-502E/ST Documents

Download datasheets and manufacturer documentation for MCP4342-502E/ST

PCN Assembly/Origin :

Qualification Copper Wire 17/Mar/2014      

Datasheets :

MCP434X/436X      

PCN Packaging :

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

HTML Datasheet :

MCP434X/436X      

PCN Design/Specification :

Lead Frame Cancel 08/Feb/2017       Lead Frame 10/Jan/2017      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH