Microchip Technology

MCP45HV31-502E/ST  

Digital Potentiometers

MCP45HV31-502E/ST Description

The MCP45HV31-502E/ST is a high-performance digital potentiometer designed by Microchip Technology, featuring a 5 kΩ resistance and 128 tap positions. This device is ideal for applications requiring precise resistance control and adjustment. The MCP45HV31-502E/ST operates over a wide supply voltage range of 1.8V to 5.5V, 10V to 36V, and ±5V to ±18V, making it versatile for various power supply configurations. It is housed in a 14-pin TSSOP package, which is suitable for surface mount applications, ensuring robustness and reliability in diverse environments.

MCP45HV31-502E/ST Features

• Configuration: The MCP45HV31-502E/ST is configured as a potentiometer, providing a linear taper with selectable address features. This allows for precise control and adjustment of resistance values.
• Temperature Coefficient: With a typical temperature coefficient of 100 ppm/°C, the device ensures stable performance across a wide temperature range, making it suitable for high-precision applications.
• Volatile Memory: The device uses volatile memory, which means it retains settings only while power is applied. This feature is beneficial in applications where dynamic adjustments are required.
• Wide Supply Voltage Range: The MCP45HV31-502E/ST operates over a wide voltage range, making it adaptable to various power supply configurations.
• Selectable Address: This feature allows multiple devices to be connected on the same bus, enhancing the flexibility and scalability of the system.
• Compliance and Standards: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited storage.
• Interface: The MCP45HV31-502E/ST communicates via the I2C interface, providing a simple and efficient method for control and data transfer.
• Resistance and Tolerance: The device offers a 5 kΩ resistance with a tolerance of ±20%, ensuring precise control within specified limits. The typical wiper resistance is 145 Ω, contributing to overall system accuracy.

MCP45HV31-502E/ST Applications

The MCP45HV31-502E/ST is ideal for a variety of applications where precise resistance control is essential. Some specific use cases include:

• Audio Systems: Adjusting volume levels and equalization settings.
• Medical Equipment: Calibrating sensors and adjusting gain settings in medical devices.
• Industrial Control Systems: Fine-tuning control loops and adjusting sensor outputs.
• Automotive Electronics: Controlling lighting intensity and adjusting electronic control units.
• Consumer Electronics: Enhancing user interface experiences by providing adjustable settings.

Conclusion of MCP45HV31-502E/ST

The MCP45HV31-502E/ST stands out in the market due to its versatile operating voltage range, precise resistance control, and compliance with environmental and safety standards. Its linear taper and selectable address features provide significant advantages over similar models, making it an ideal choice for applications requiring high precision and flexibility. Whether used in audio systems, medical equipment, or industrial control systems, the MCP45HV31-502E/ST delivers reliable performance and ease of integration.

MCP45HV31-502E/ST Documents

Download datasheets and manufacturer documentation for MCP45HV31-502E/ST

Datasheets :

MCP45HVx1      

PCN Packaging :

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

PCN Design/Specification :

MCP45HVX1 Data Sheet 30/Jun/2023       Errata/Datasheet Update 13/Jul/2015      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH