Microchip Technology

MCP4231-503E/ST  

Digital Potentiometers

MCP4231-503E/ST Description

The MCP4231-503E/ST is a high-performance digital potentiometer from Microchip Technology, designed for a wide range of applications requiring precise resistance control. This device features a linear taper and offers a resistance of 50kΩ with a tolerance of ±20%. It supports a supply voltage range of 1.8V to 5.5V, making it suitable for various power supply configurations. The MCP4231-503E/ST includes 129 taps, providing granular control over resistance settings, and is equipped with two circuits for versatile use. The wiper resistance is typically 75Ω, ensuring minimal impact on circuit performance.

MCP4231-503E/ST Features

Technical Specifications:

• Configuration: Potentiometer
• Resistance (Ohms): 50kΩ
• Tolerance: ±20%
• Number of Taps: 129
• Number of Circuits: 2
• Taper: Linear
• Wiper Resistance (Typ): 75Ω
• Voltage - Supply: 1.8V to 5.5V
• Interface: SPI
• Memory Type: Volatile
• Temperature Coefficient (Typ): 150ppm/°C

Performance Benefits:

• High Precision: The 129 taps allow for precise resistance adjustments, making it ideal for applications requiring fine control.
• Wide Operating Voltage Range: The 1.8V to 5.5V supply voltage range ensures compatibility with a variety of power sources.
• Low Wiper Resistance: The typical wiper resistance of 75Ω minimizes the impact on overall circuit performance.
• SPI Interface: The SPI interface enables easy integration with microcontrollers and other digital systems.
• Volatile Memory: The volatile memory type ensures that settings are retained only while power is applied, providing flexibility in dynamic applications.

Unique Features:

• Linear Taper: The linear taper ensures consistent resistance changes, which is crucial for applications requiring linear response characteristics.
• Surface Mount Package: The 14TSSOP package type facilitates easy integration into compact designs.
• Compliance: The MCP4231-503E/ST is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards.

MCP4231-503E/ST Applications

The MCP4231-503E/ST is well-suited for a variety of applications where precise resistance control is essential. Some specific use cases include:

• Audio Applications: Volume control and tone adjustment in audio equipment.
• Industrial Controls: Calibration and adjustment of sensors and actuators.
• Medical Devices: Precision control in medical instrumentation.
• Automotive Systems: Fine-tuning of electronic control units.
• Consumer Electronics: Adjusting display brightness and other variable settings.

Conclusion of MCP4231-503E/ST

The MCP4231-503E/ST from Microchip Technology is a versatile digital potentiometer that offers high precision and flexibility. With its wide operating voltage range, low wiper resistance, and SPI interface, it is well-suited for a variety of applications. The linear taper and 129 taps provide precise control, making it an ideal choice for applications requiring fine adjustments. Its compliance with environmental and regulatory standards ensures it meets the demands of modern electronics. The MCP4231-503E/ST is an excellent choice for engineers looking for a reliable and high-performance digital potentiometer.

MCP4231-503E/ST Documents

Download datasheets and manufacturer documentation for MCP4231-503E/ST

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