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MCP45HV31T-104E/MQ

MCP45HV31T-104E/MQ Description

The MCP45HV31T-104E/MQ is a digital potentiometer from Microchip Technology, designed to offer precise resistance control in a compact 20-QFN surface-mount package. This device features a resistance of 100kΩ with a tolerance of ±20%, providing a wide range of resistance values suitable for various applications. The potentiometer includes 128 taps, allowing for fine adjustments and precise control over resistance levels. It operates with a supply voltage range of 1.8V to 5.5V, 10V to 36V, and ±5V to ±18V, making it versatile for different power supply configurations.

The MCP45HV31T-104E/MQ employs a linear taper, ensuring consistent resistance changes across the entire range of tap positions. It is equipped with an I2C interface, enabling easy integration into systems requiring digital control. The device also features selectable addressing, which allows multiple potentiometers to be connected on the same bus without address conflicts.

MCP45HV31T-104E/MQ Features

• Resistance and Tolerance: 100kΩ resistance with a tolerance of ±20%, providing a wide range of resistance values.
• Tap Positions: 128 tap positions for fine resistance adjustments.
• Supply Voltage: Wide operating voltage range of 1.8V to 5.5V, 10V to 36V, and ±5V to ±18V.
• Interface: I2C interface for digital control and ease of integration.
• Selectable Addressing: Multiple potentiometers can be connected on the same bus without address conflicts.
• Memory Type: Volatile memory ensures that the resistance setting is maintained only while power is applied.
• Temperature Coefficient: Low temperature coefficient of 100ppm/°C ensures stable performance over a wide temperature range.
• Package: 20-QFN surface-mount package, ideal for space-constrained applications.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental safety and regulatory compliance.

MCP45HV31T-104E/MQ Applications

The MCP45HV31T-104E/MQ is ideal for applications requiring precise resistance control and digital adjustment capabilities. Some specific use cases include:

• Audio Systems: Volume control and tone adjustment in audio equipment.
• Industrial Controls: Precision control in motor speed controllers and power supplies.
• Medical Equipment: Calibration and adjustment in medical devices requiring high precision.
• Consumer Electronics: Brightness control in displays and other adjustable electronic devices.
• Automotive Systems: Fine-tuning of electronic control units and sensor interfaces.

Conclusion of MCP45HV31T-104E/MQ

The MCP45HV31T-104E/MQ digital potentiometer from Microchip Technology offers a robust solution for applications requiring precise and digitally controlled resistance adjustments. Its wide supply voltage range, selectable addressing, and I2C interface make it highly versatile and easy to integrate into various systems. The device's low temperature coefficient and wide range of tap positions ensure stable and precise performance, making it a reliable choice for demanding applications. The MCP45HV31T-104E/MQ stands out in the market due to its combination of high precision, flexibility, and compliance with environmental standards, making it an excellent choice for engineers and designers in the electronics industry.