Microchip Technology

MCP4331-502E/ST  

Digital Potentiometers

MCP4331-502E/ST Description

The MCP4331-502E/ST is a digital potentiometer from Microchip Technology, designed to offer precise control and flexibility in a wide range of electronic applications. This device features a 5kΩ resistance with a tolerance of ±20%, making it suitable for applications requiring moderate resistance values. The MCP4331-502E/ST operates within a supply voltage range of 1.8V to 5.5V, ensuring compatibility with various power supply configurations. It supports a temperature coefficient of 150ppm/°C, providing stable performance across different operating temperatures.

The MCP4331-502E/ST includes 129 taps, offering high-resolution control over the resistance value. This high number of taps allows for fine adjustments, making it ideal for applications requiring precise control. The device features a linear taper, ensuring a consistent relationship between the wiper position and the resistance value. The wiper resistance is typically 75Ω, which is relatively low, minimizing the impact on the overall circuit performance.

The MCP4331-502E/ST employs a volatile memory type, meaning the resistance setting is maintained as long as power is applied. It interfaces with the system via the SPI protocol, providing a straightforward and efficient method for digital control. The device is housed in a 20-TSSOP package, making it suitable for surface mount applications. It is REACH unaffected and RoHS3 compliant, ensuring compliance with environmental regulations.

MCP4331-502E/ST Features

• Resistance and Tolerance: 5kΩ resistance with ±20% tolerance, suitable for applications requiring moderate resistance values.
• High Resolution: 129 taps provide high-resolution control, allowing for precise adjustments.
• Linear Taper: Ensures a consistent relationship between the wiper position and the resistance value.
• Low Wiper Resistance: Typical wiper resistance of 75Ω minimizes impact on overall circuit performance.
• Wide Operating Voltage Range: 1.8V to 5.5V supply voltage range ensures compatibility with various power supply configurations.
• Stable Performance: 150ppm/°C temperature coefficient ensures stable performance across different operating temperatures.
• Digital Control: SPI interface provides efficient digital control over the resistance value.
• Volatile Memory: Maintains the resistance setting as long as power is applied.
• Compliance: REACH unaffected and RoHS3 compliant, ensuring environmental compliance.
• Surface Mount: 20-TSSOP package suitable for surface mount applications.

MCP4331-502E/ST Applications

The MCP4331-502E/ST is ideal for applications requiring precise control over resistance values. Its high-resolution control and linear taper make it suitable for:

• Audio Applications: Volume control, tone control, and other audio signal processing tasks.
• Signal Conditioning: Adjusting gain and offset in analog signal processing circuits.
• Power Management: Controlling voltage levels in power supply circuits.
• Medical Devices: Precise control in medical instrumentation and monitoring devices.
• Industrial Control: Calibration and control in industrial automation systems.
• Consumer Electronics: Adjusting settings in various consumer electronic devices.

Conclusion of MCP4331-502E/ST

The MCP4331-502E/ST from Microchip Technology is a versatile digital potentiometer that offers precise control and high-resolution adjustments. Its 5kΩ resistance, 129 taps, and linear taper make it suitable for a wide range of applications, from audio processing to industrial control. The device's low wiper resistance and stable performance across different temperatures ensure reliable operation. With its SPI interface and surface mount package, the MCP4331-502E/ST provides efficient digital control and easy integration into modern electronic designs. Its compliance with environmental regulations and wide operating voltage range further enhance its suitability for various applications.

MCP4331-502E/ST Documents

Download datasheets and manufacturer documentation for MCP4331-502E/ST

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