Microchip Technology

MCP4431-502E/ML  

Digital Potentiometers

MCP4431-502E/ML Description

The MCP4431-502E/ML is a digital potentiometer designed by Microchip Technology, offering a versatile solution for applications requiring precise resistance control. This device features a 5kΩ resistance with a tolerance of ±20%, making it suitable for a wide range of electronic circuits. The MCP4431-502E/ML supports a supply voltage range of 1.8V to 5.5V, ensuring compatibility with various power supply configurations. It employs a linear taper, providing a consistent and predictable resistance change with each tap adjustment. With 129 taps, this digital potentiometer offers high-resolution control, allowing for fine-tuned resistance adjustments.

The MCP4431-502E/ML is equipped with a volatile memory type, meaning it retains its settings as long as power is supplied. This feature is beneficial for applications where dynamic adjustments are required without the need for non-volatile storage. The device also includes selectable address features, enabling multiple units to be connected to a single I2C interface without address conflicts. This capability simplifies system design and enhances scalability.

MCP4431-502E/ML Features

• Resistance and Tolerance: The MCP4431-502E/ML offers a nominal resistance of 5kΩ with a tolerance of ±20%, ensuring reliable performance across different operating conditions.
• Supply Voltage Range: The device supports a wide supply voltage range of 1.8V to 5.5V, making it suitable for a variety of power supply configurations.
• High-Resolution Control: With 129 taps, this digital potentiometer provides high-resolution resistance adjustments, allowing for precise control in applications requiring fine-tuned resistance changes.
• Linear Taper: The linear taper ensures a consistent and predictable change in resistance, simplifying system calibration and operation.
• Selectable Address: The selectable address feature allows multiple units to be connected to a single I2C interface without address conflicts, enhancing system scalability.
• Volatile Memory: The volatile memory type retains settings as long as power is supplied, enabling dynamic adjustments without the need for non-volatile storage.
• Temperature Coefficient: The device has a typical temperature coefficient of 150ppm/°C, ensuring stable performance over a wide temperature range.

MCP4431-502E/ML Applications

The MCP4431-502E/ML is ideal for a variety of applications where precise resistance control is essential. Some specific use cases include:

• Audio Systems: The high-resolution control and linear taper make this digital potentiometer suitable for volume control and other audio-related adjustments.
• Medical Equipment: The precise resistance control and wide supply voltage range are beneficial for medical devices requiring accurate calibration and dynamic adjustments.
• Industrial Control Systems: The MCP4431-502E/ML can be used in industrial applications for precise control of sensors, actuators, and other electronic components.
• Consumer Electronics: The device is well-suited for consumer electronics where dynamic resistance adjustments are required for optimal performance.

Conclusion of MCP4431-502E/ML

The MCP4431-502E/ML digital potentiometer from Microchip Technology stands out for its high-resolution control, selectable address feature, and wide supply voltage range. These attributes make it a versatile and reliable choice for applications requiring precise resistance adjustments. The device's linear taper and volatile memory type further enhance its performance and usability. Whether used in audio systems, medical equipment, industrial control systems, or consumer electronics, the MCP4431-502E/ML offers a robust solution for dynamic resistance control.

MCP4431-502E/ML Documents

Download datasheets and manufacturer documentation for MCP4431-502E/ML

PCN Assembly/Origin :

Qualification Copper Wire Revison 01/Apr/2014      

Datasheets :

Digital Pot Design Guide       MCP443x/5x      

PCN Packaging :

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

PCN Design/Specification :

Mold Compound Update 31/Oct/2014       CuPdAu wire 25/Nov/2016      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH