Microchip Technology

MCP4232-103E/UN  

Digital Potentiometers

MCP4232-103E/UN Description

The MCP4232-103E/UN is a high-performance digital potentiometer designed by Microchip Technology, featuring a rheostat configuration with a resistance of 10 kΩ. This device is ideal for applications requiring precise resistance control and adjustment. The MCP4232-103E/UN operates within a supply voltage range of 1.8V to 5.5V, making it suitable for a wide range of electronic systems. It supports a SPI interface for easy integration and control, providing a convenient method for adjusting resistance values digitally.

The MCP4232-103E/UN includes 129 taps, offering fine granularity for resistance adjustment. The wiper resistance is typically 75 Ω, ensuring minimal impact on circuit performance. The device has a temperature coefficient of 150ppm/°C, ensuring stable performance across varying temperature conditions. The memory type is volatile, meaning the resistance settings are maintained as long as power is applied.

This digital potentiometer is housed in a surface-mount 10MSOP package, making it suitable for compact and high-density PCB designs. It is REACH unaffected and RoHS3 compliant, adhering to environmental and safety standards. The moisture sensitivity level (MSL) is 2 (1 Year), ensuring reliability in various environmental conditions.

MCP4232-103E/UN Features

• Rheostat Configuration: Provides a single-ended resistance adjustment, suitable for applications requiring a variable resistor.
• 10 kΩ Resistance: Offers a standard resistance value commonly used in various electronic circuits.
• 129 Taps: Allows for precise and fine-tuned resistance adjustments, enhancing the flexibility of the device.
• SPI Interface: Enables digital control and adjustment of resistance values, simplifying integration into microcontroller-based systems.
• Low Wiper Resistance (75 Ω): Minimizes the impact on circuit performance, ensuring accurate resistance values.
• Wide Operating Voltage Range (1.8V to 5.5V): Ensures compatibility with a variety of power supply voltages.
• Temperature Coefficient (150ppm/°C): Ensures stable performance across a wide temperature range.
• Volatile Memory: Maintains resistance settings as long as power is applied, ensuring consistent performance.
• Surface-Mount Packaging: Ideal for compact and high-density PCB designs, facilitating modern electronics manufacturing.
• Environmental Compliance: REACH unaffected and RoHS3 compliant, ensuring adherence to environmental and safety standards.

MCP4232-103E/UN Applications

The MCP4232-103E/UN is well-suited for a variety of applications where precise resistance control is required. Some specific use cases include:

• Audio Applications: Volume control in audio systems, where precise resistance adjustment is necessary for accurate sound levels.
• Signal Conditioning: Adjusting gain or offset in signal conditioning circuits, ensuring optimal performance.
• Power Management: Controlling resistance in power supply circuits to regulate voltage and current levels.
• Medical Devices: Precision resistance control in medical equipment, ensuring accurate measurements and performance.
• Automotive Electronics: Fine-tuning resistance in automotive control systems for optimal performance and safety.
• Industrial Control Systems: Adjusting resistance in industrial control circuits for precise control and monitoring.

Conclusion of MCP4232-103E/UN

The MCP4232-103E/UN digital potentiometer from Microchip Technology offers a robust and versatile solution for applications requiring precise resistance control. With its 10 kΩ resistance, 129 taps, and SPI interface, this device provides fine-tuned adjustments and easy integration into various electronic systems. The wide operating voltage range, low wiper resistance, and stable temperature coefficient ensure reliable performance across different operating conditions. The surface-mount packaging and environmental compliance make it suitable for modern electronics manufacturing and environmentally conscious designs. The MCP4232-103E/UN is an excellent choice for audio, signal conditioning, power management, medical devices, automotive electronics, and industrial control systems, offering precise resistance control and enhanced performance.

MCP4232-103E/UN Documents

Download datasheets and manufacturer documentation for MCP4232-103E/UN

Datasheets :

MCP413x,415x,423x,425x      

PCN Packaging :

MBB/Label Chgs 16/Nov/2018       Label and Packing Changes 23/Sep/2015      

Design Resources :

MCP4232 Development Tool Selector      

HTML Datasheet :

MCP413x,415x,423x,425x      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH