Microchip Technology

MCP4231-103E/ST  

Digital Potentiometers

MCP4231-103E/ST Description

The MCP4231-103E/ST is a digital potentiometer from Microchip Technology, designed for precision control in a wide range of applications. This 14-pin TSSOP package features a 10kΩ linear taper potentiometer with 129 taps, offering high-resolution control. The device operates on a supply voltage range of 1.8V to 5.5V and is compatible with SPI interfaces. With a typical temperature coefficient of 150ppm/°C and a tolerance of ±20%, the MCP4231-103E/ST ensures stable performance across varying conditions. The wiper resistance is typically 75Ω, contributing to its accuracy. The device's volatile memory type allows for dynamic adjustments, making it suitable for applications requiring frequent updates. The MCP4231-103E/ST is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. Its moisture sensitivity level (MSL) is 1 (unlimited), making it suitable for various manufacturing environments.

MCP4231-103E/ST Features

• High Resolution: With 129 taps, the MCP4231-103E/ST offers fine control over resistance settings, making it ideal for applications requiring precise adjustments.
• Wide Operating Voltage Range: The 1.8V to 5.5V supply voltage range ensures compatibility with a variety of power sources, enhancing its versatility.
• Low Temperature Coefficient: The typical temperature coefficient of 150ppm/°C ensures stable resistance values across different operating temperatures, maintaining accuracy.
• Volatile Memory: The volatile memory type allows for dynamic adjustments, making it suitable for applications where resistance settings need to be frequently updated.
• SPI Interface: The SPI interface provides a straightforward and efficient method for digital control, simplifying integration into existing systems.
• Compliance and Safety: The MCP4231-103E/ST is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards.
• Moisture Sensitivity: With an MSL of 1 (unlimited), the device is suitable for various manufacturing environments, reducing the risk of moisture-related issues.

MCP4231-103E/ST Applications

The MCP4231-103E/ST is well-suited for applications requiring precise control and adjustment of resistance. Key applications include:

• Audio Systems: Volume control and tone adjustments benefit from the high-resolution control offered by the MCP4231-103E/ST.
• Medical Equipment: Precision control in medical devices ensures accurate performance, crucial for reliable operation.
• Industrial Automation: The device's robustness and wide operating voltage range make it ideal for industrial control systems.
• Consumer Electronics: Applications such as display brightness control and sensor calibration benefit from the MCP4231-103E/ST's precision and stability.
• Telecommunications: The device's compatibility with SPI interfaces and wide voltage range make it suitable for various telecom applications.

Conclusion of MCP4231-103E/ST

The MCP4231-103E/ST from Microchip Technology is a versatile digital potentiometer that offers high-resolution control, stable performance, and compliance with environmental and regulatory standards. Its wide operating voltage range, low temperature coefficient, and SPI interface make it a reliable choice for a variety of applications. Whether used in audio systems, medical equipment, industrial automation, consumer electronics, or telecommunications, the MCP4231-103E/ST provides the precision and flexibility needed for modern electronic designs.

MCP4231-103E/ST Documents

Download datasheets and manufacturer documentation for MCP4231-103E/ST

PCN Assembly/Origin :

Leadframe Material 29/Sep/2017      

Datasheets :

MCP413x,415x,423x,425x      

PCN Packaging :

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

Design Resources :

MCP4231 Development Tool Selector      

HTML Datasheet :

MCP413x,415x,423x,425x      

PCN Design/Specification :

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

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH