Microchip Technology

MCP4441T-503E/ST  

Digital Potentiometers

MCP4441T-503E/ST Description

The MCP4441T-503E/ST is a high-performance digital potentiometer from Microchip Technology, designed for precision control in various electronic applications. This device features a 50kΩ resistance with a tolerance of ±20%, ensuring reliable and consistent performance across different operating conditions. The MCP4441T-503E/ST operates within a supply voltage range of 1.8V to 5.5V, making it suitable for a wide range of power supply configurations.

The potentiometer is configured with 129 taps, providing fine control over resistance settings. It employs a linear taper, which ensures a consistent change in resistance with each tap adjustment. The device is equipped with a WiperLock™ series feature, which enhances the stability and reliability of the wiper resistance, typically rated at 75Ω.

The MCP4441T-503E/ST communicates via the I2C interface, offering a convenient and efficient way to control and configure the device. It includes selectable address features, allowing multiple devices to be connected on the same bus without address conflicts. The device is packaged in a 20-TSSOP surface-mount package, which is suitable for compact and space-constrained designs.

MCP4441T-503E/ST Features

• Resistance and Tolerance: The MCP4441T-503E/ST offers a nominal resistance of 50kΩ with a tolerance of ±20%, ensuring precise control over resistance values.
• Temperature Coefficient: With a typical temperature coefficient of 150ppm/°C, the device maintains stable performance across a wide temperature range.
• Selectable Address: The I2C interface supports selectable addresses, enabling multiple devices to be connected on the same bus without address conflicts.
• WiperLock™ Series: The WiperLock™ feature ensures stable and reliable wiper resistance, enhancing the overall performance and longevity of the device.
• Linear Taper: The linear taper provides consistent resistance changes with each tap adjustment, ensuring smooth and predictable performance.
• Supply Voltage Range: The device operates within a supply voltage range of 1.8V to 5.5V, making it suitable for various power supply configurations.
• Moisture Sensitivity Level: The MCP4441T-503E/ST has a moisture sensitivity level (MSL) of 1 (unlimited), ensuring it is suitable for a wide range of environmental conditions.
• Compliance: The device is REACH unaffected and RoHS3 compliant, meeting stringent environmental and regulatory standards.

MCP4441T-503E/ST Applications

The MCP4441T-503E/ST is ideal for applications requiring precise control over resistance settings. Some specific use cases include:

• Audio Applications: The linear taper and precise resistance control make it suitable for volume control and audio signal processing.
• Industrial Control: The device can be used in motor control and power management systems where precise resistance adjustments are necessary.
• Medical Devices: The MCP4441T-503E/ST can be employed in medical equipment for precise control over sensor and actuator resistance.
• Consumer Electronics: The compact 20-TSSOP package and I2C interface make it ideal for space-constrained designs in consumer electronics.
• Automotive Systems: The device's robustness and compliance with environmental standards make it suitable for automotive applications, such as climate control and infotainment systems.

Conclusion of MCP4441T-503E/ST

The MCP4441T-503E/ST from Microchip Technology is a versatile and high-performance digital potentiometer, offering precise control over resistance settings with a wide range of features and benefits. Its linear taper, selectable address, and WiperLock™ series features provide enhanced performance and reliability, making it an excellent choice for a variety of applications. The device's compliance with environmental and regulatory standards ensures it meets the needs of modern electronics design. Whether used in audio systems, industrial control, medical devices, consumer electronics, or automotive systems, the MCP4441T-503E/ST delivers reliable and consistent performance, making it a standout choice in its category.

MCP4441T-503E/ST Documents

Download datasheets and manufacturer documentation for MCP4441T-503E/ST

Datasheets :

MCP444x,446x      

PCN Packaging :

Packing Changes 10/Oct/2016       Label and Packing Changes 23/Sep/2015      

PCN Design/Specification :

Lead Frame Update 16/Apr/2015      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH