Microchip Technology

MCP4642-104E/UN  

Digital Potentiometers

MCP4642-104E/UN Description

The MCP4642-104E/UN is a high-performance digital potentiometer designed by Microchip Technology, offering a wide range of features and capabilities suitable for various electronic applications. This device is configured as a rheostat, providing a resistance of 100k ohms with a tolerance of ±20%. It features a linear taper and includes 129 taps, allowing for precise control and adjustment of resistance values. The MCP4642-104E/UN operates within a supply voltage range of 1.8V to 5.5V and offers a typical wiper resistance of 75 ohms. The device is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. It is available in a surface-mount package, specifically a 10-MSOP tube, making it ideal for compact and space-constrained designs.

MCP4642-104E/UN Features

• Selectable Address: The MCP4642-104E/UN supports selectable addressing, allowing multiple devices to be connected on the same I2C bus without address conflicts.
• Temperature Coefficient: With a typical temperature coefficient of 150ppm/°C, the device ensures stable performance across a wide temperature range.
• Interface: The device utilizes an I2C interface, providing a simple and efficient means of communication with microcontrollers and other digital systems.
• Moisture Sensitivity Level: The MCP4642-104E/UN has an MSL of 1 (unlimited), making it suitable for a variety of manufacturing processes without the need for special handling.
• Number of Circuits: The device includes two circuits, offering enhanced flexibility and functionality in multi-channel applications.

MCP4642-104E/UN Applications

The MCP4642-104E/UN is ideal for applications requiring precise resistance control and adjustment. Some specific use cases include:

• Audio Applications: The device's linear taper and high tap count make it suitable for volume control and other audio signal processing tasks.
• Industrial Control Systems: The MCP4642-104E/UN can be used in industrial control systems for adjusting gain, offset, and other parameters in analog circuits.
• Medical Equipment: Its precision and reliability make it ideal for medical devices where accurate resistance control is critical.
• Consumer Electronics: The device can be used in various consumer electronics for adjusting display brightness, fan speed control, and other similar applications.

Conclusion of MCP4642-104E/UN

The MCP4642-104E/UN from Microchip Technology is a versatile and high-performance digital potentiometer that offers a wide range of features and benefits. Its selectable address, low temperature coefficient, and I2C interface make it a standout choice in the digital potentiometer market. With applications spanning from audio systems to industrial control and medical equipment, the MCP4642-104E/UN is a reliable and efficient solution for precise resistance control. Its compliance with REACH and RoHS3 standards ensures it meets the highest environmental and safety requirements, making it a preferred choice for modern electronic designs.

MCP4642-104E/UN Documents

Download datasheets and manufacturer documentation for MCP4642-104E/UN

Datasheets :

MCP454x,456x,464x,466x      

PCN Packaging :

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

Design Resources :

MCP4642 Development Tool Selector      

HTML Datasheet :

MCP454x,456x,464x,466x      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH