Microchip Technology

MCP4251T-502E/ST  

Digital Potentiometers

MCP4251T-502E/ST Description

The MCP4251T-502E/ST is a digital potentiometer from Microchip Technology, designed for precision control in various electronic applications. This device features a 5kΩ resistance with a tolerance of ±20%, offering a wide range of resistance values to suit different requirements. The potentiometer has 257 taps, providing fine granularity in resistance adjustment. It operates within a supply voltage range of 1.8V to 5.5V, making it suitable for a variety of power supply conditions. The device employs a linear taper, ensuring consistent resistance changes across the adjustment range.

The MCP4251T-502EST/ is equipped with a SPI interface, enabling easy communication and control in digital systems. It features volatile memory, which means the resistance settings are maintained only while power is applied. This characteristic is advantageous for applications requiring dynamic adjustment without the need for non-volatile storage. The device is packaged in a 14-pin TSSOP package, suitable for surface-mount applications, and is available in tape and reel format for convenient handling and assembly.

MCP4251T-502EST/ Features

• High Precision Control: With 257 taps and a 5kΩ resistance, the MCP4251T-502E/ST offers precise resistance adjustment, ideal for applications requiring fine-tuned control.
• Wide Operating Voltage Range: The device operates from 1.8V to 5.5V, providing flexibility in power supply requirements and compatibility with various systems.
• Linear Taper: Ensures consistent resistance changes, making it for suitable applications where linear control is necessary.
• SPI Interface: Facilitates easy integration into digital systems, allowing for efficient control and communication.
• Volatile Memory: Maintains settings while powered, offering dynamic adjustment capabilities without the need for non-volatile storage.
• Surface-Mount Packaging: The 14-pin TSSOP package and tape & reel format ensure ease of assembly and compatibility with modern manufacturing processes.
• Compliance and Reliability: The MCP4251T-520E/ST is REACH unaffected and RoHS3 compliant, ensuring environmental and safety standards are met. It also has a moisture sensitivity level of 1 (unlimited), making it suitable for a wide range of environmental conditions.

MCP4251T-502E/ST Applications

The MCP4251T-502E/ST is ideal for a variety of applications that require precise resistance control. Some specific use cases include:

-Audio ** Systems**: For volume control and tone adjustment, where linear taper and precise resistance steps are crucial.

• Power Management: In adjustable power supplies and voltage regulators, where dynamic resistance control is necessary for optimal performance.
• Industrial Control: For precision control in sensors and actuators, ensuring accurate and reliable operation.
• Medical Devices: In equipment requiring precise control of electrical signals, such as medical monitors and diagnostic tools.
• Automotive Electronics: For applications like adjustable lighting and climate control systems, where reliability and precision are paramount.

Conclusion of MCP4251T-502E/ST

The MCP4251T-502E/ST from Microchip Technology stands out as a versatile and reliable digital potentiometer, offering high precision control with its 257 taps and 5kΩ resistance. Its wide operating voltage range, linear taper, and SPI interface make it suitable for a variety of applications, from audio systems to industrial control. The device's volatile memory and surface-mount packaging ensure ease of use and compatibility with modern manufacturing processes. With its compliance to environmental and safety standards, the MCP4251T-502E/ST is an excellent choice for engineers seeking a robust and flexible digital potentiometer solution.

MCP4251T-502E/ST Documents

Download datasheets and manufacturer documentation for MCP4251T-502E/ST

PCN Assembly/Origin :

Qualification Report Revsion 15/Oct/2014      

Datasheets :

MCP413x,415x,423x,425x      

PCN Packaging :

Reel Design Update 07/May/2015       Label and Packing Changes 23/Sep/2015      

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