Microchip Technology

MCP4251T-103E/ST  

Digital Potentiometers

MCP4251T-103E/ST Description

The MCP4251T-103E/ST is a digital potentiometer from Microchip Technology, designed to offer precise resistance control in a compact 14-TSSOP package. This device features a resistance of 10kΩ, with a typical temperature coefficient of 150ppm/°C, ensuring stable performance across a wide temperature range. The potentiometer has 257 taps, providing highly granular control over resistance settings. It operates on a supply voltage range of 1.8V to 5.5V, making it suitable for various power supply configurations. The MCP4251T-103E/ST uses a volatile memory type, meaning it retains its settings only while power is applied. This model is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. The moisture sensitivity level (MSL) is rated at 1 (unlimited), making it suitable for a variety of manufacturing environments. The device is surface-mountable and comes in a tape and reel (TR) package, facilitating efficient assembly processes. It features a linear taper and an interface compatible with the SPI protocol, enabling seamless integration into digital systems. The base product number is MCP4251, and it is classified under the category of Data Acquisition ICs.

MCP4251T-103E/ST Features

• High Precision Control: With 257 taps, the MCP4251T-103E/ST offers fine-grained resistance control, making it ideal for applications requiring precise adjustments.
• Wide Operating Voltage Range: The device operates reliably between 1.8V and 5.5V, providing flexibility in power supply requirements.
• Low Temperature Coefficient: A typical temperature coefficient of 150ppm/°C ensures stable performance across varying temperatures, enhancing reliability in diverse environments.
• Volatile Memory: While volatile memory means settings are not retained without power, it also allows for dynamic adjustments and quick reconfiguration.
• Compliance and Environmental Considerations: The MCP4251T-103E/ST is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and regulatory standards.
• Moisture Sensitivity Level 1: The MSL rating of 1 (unlimited) makes it suitable for a wide range of manufacturing conditions, reducing the risk of moisture-related issues.
• SPI Interface: The SPI-compatible interface allows for easy integration into digital systems, simplifying control and communication.
• Surface Mount Technology: The surface-mountable design and tape and reel packaging facilitate efficient assembly processes, ideal for high-volume production.

MCP4251T-103E/ST Applications

The MCP4251T-103E/ST is well-suited for a variety of applications where precise resistance control is essential. These include:

• Audio Equipment: Adjusting volume levels and equalization settings with high precision.
• Medical Devices: Controlling resistance in medical instruments for accurate measurements and adjustments.
• Industrial Control Systems: Fine-tuning control loops and feedback mechanisms in industrial automation.
• Consumer Electronics: Enhancing user experience by providing precise control over various settings.
• Automotive Applications: Managing resistance in electronic control units for optimal performance and safety.

Conclusion of MCP4251T-103E/ST

The MCP4251T-103E/ST from Microchip Technology stands out as a versatile and reliable digital potentiometer, offering high precision and stability. Its wide operating voltage range, low temperature coefficient, and SPI interface make it a robust choice for a variety of applications. The device's compliance with environmental and regulatory standards, along with its moisture sensitivity level rating, ensures it is suitable for diverse manufacturing and operational environments. The MCP4251T-103E/ST is an excellent choice for engineers and designers seeking a digital potentiometer that combines precision, flexibility, and reliability in a compact and efficient package.

MCP4251T-103E/ST Documents

Download datasheets and manufacturer documentation for MCP4251T-103E/ST

PCN Assembly/Origin :

Leadframe Material 29/Sep/2017      

Datasheets :

MCP413x,415x,423x,425x      

PCN Packaging :

Reel Design Update 07/May/2015       Packing Changes 10/Oct/2016      

Design Resources :

MCP4251 Development Tool Selector      

HTML Datasheet :

MCP413x,415x,423x,425x      

PCN Design/Specification :

Lead Frame Cancel 08/Feb/2017       Lead Frame 10/Jan/2017      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH