Microchip Technology

MCP4351-503E/ST  

Digital Potentiometers

MCP4351-503E/ST Description

The MCP4351-503E/ST is a high-performance digital potentiometer from Microchip Technology, designed for applications requiring precise resistance control. This device features a 50kΩ resistance with a tolerance of ±20%, offering 257 tap positions for fine-tuned adjustments. The MCP4351-503E/ST operates within a supply voltage range of 1.8V to 5.5V and is equipped with a linear taper, ensuring consistent and predictable resistance changes. The device supports SPI communication, facilitating easy integration into various electronic systems.

MCP4351-503E/ST Features

• Resistance and Tolerance: The MCP4351-503E/ST provides a nominal resistance of 50kΩ with a tolerance of ±20%, making it suitable for applications where precise resistance control is essential.
• Tap Positions: With 257 tap positions, this digital potentiometer offers high-resolution adjustments, allowing for fine-tuned control over resistance values.
• Temperature Coefficient: The device has a typical temperature coefficient of 150ppm/°C, ensuring stable performance across a wide temperature range.
• Memory Type: The MCP4351-503E/ST features volatile memory, which allows for dynamic resistance adjustments without the need for non-volatile storage.
• Interface: The SPI interface enables seamless communication with microcontrollers and other digital systems, simplifying integration into various applications.
• Package and Mounting: Available in a 20-TSSOP package and suitable for surface-mount technology, the MCP4351-503E/ST is ideal for compact and high-density designs.
• Compliance: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the MCP4351-503E/ST is suitable for a wide range of manufacturing environments without the need for special handling.

MCP4351-503E/ST Applications

The MCP4351-503E/ST is well-suited for a variety of applications where precise resistance control is required. Some specific use cases include:

• Audio Applications: Ideal for volume control circuits in audio systems, where the linear taper ensures smooth and consistent adjustments.
• Signal Conditioning: Used in signal conditioning circuits to adjust gain or offset, providing precise control over signal characteristics.
• Power Management: Suitable for applications requiring adjustable voltage dividers or current limiters, ensuring optimal performance and efficiency.
• Medical Devices: The high resolution and stability make it suitable for medical equipment where precise control over resistance is critical.
• Industrial Automation: Used in industrial control systems for adjustable resistance settings, enhancing flexibility and adaptability.

Conclusion of MCP4351-503E/ST

The MCP4351-503E/ST from Microchip Technology is a versatile and high-performance digital potentiometer, offering precise resistance control with 257 tap positions. Its linear taper, SPI interface, and wide operating voltage range make it suitable for a variety of applications, from audio systems to industrial automation. The device's compliance with environmental and safety standards, along with its robust performance characteristics, make it an ideal choice for engineers and designers looking for reliable and precise resistance control solutions.

MCP4351-503E/ST Documents

Download datasheets and manufacturer documentation for MCP4351-503E/ST

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