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MCP4631-502E/ST

MCP4631-502E/ST Description

The MCP4631-502E/ST from Microchip Technology is a dual-channel, 5kΩ digital potentiometer with 129 taps, designed for precision analog signal adjustment in modern electronic systems. It operates over a 1.8V to 5.5V supply range, making it suitable for low-power and battery-operated applications. The device features a volatile memory type, requiring reconfiguration upon power-up, and communicates via an I2C interface, enabling easy integration into digital control systems. With a ±20% tolerance and a 150ppm/°C temperature coefficient, it balances cost-effectiveness with stable performance across industrial temperature ranges.

MCP4631-502E/ST Features

• Dual-channel configuration: Independent control of two potentiometers in a single package.
• Selectable I2C address: Allows multiple devices on the same bus, simplifying system design.
• Low wiper resistance (75Ω typ): Minimizes signal attenuation in voltage-divider applications.
• Linear taper: Ideal for linear adjustments in audio, instrumentation, and sensor calibration.
• RoHS3 compliant & REACH unaffected: Meets environmental and regulatory standards.
• Surface-mount 14-TSSOP package: Compact footprint for space-constrained designs.

MCP4631-502E/ST Applications

This digital potentiometer excels in:

• Industrial automation: Precision calibration of sensors, actuators, and feedback loops.
• Consumer electronics: Volume control, LCD backlight adjustment, and user interface tuning.
• Test & measurement equipment: Programmable gain amplification and offset trimming.
• IoT devices: Low-voltage, energy-efficient signal conditioning for embedded systems.

Conclusion of MCP4631-502E/ST

The MCP4631-502E/ST combines flexibility, low power consumption, and dual-channel functionality, making it a versatile choice for designers needing reliable digital potentiometer solutions. Its I2C interface, wide voltage range, and selectable addressing distinguish it from competitors, while its industrial-grade stability ensures consistent performance in demanding environments. Whether for prototyping or production, this device delivers a cost-effective balance of precision and programmability.