Microchip Technology

MCP4131T-104E/MF  

Digital Potentiometers

MCP4131T-104E/MF Description

The MCP4131T-104E/MF from Microchip Technology is a single-channel digital potentiometer designed for precision analog signal adjustment in modern electronic systems. This 100kΩ linear-taper potentiometer features 129 taps, providing fine resolution for voltage division and resistance tuning. Operating over a 1.8V to 5.5V supply range, it supports low-power and battery-operated applications. The device communicates via SPI interface, enabling seamless integration with microcontrollers and digital systems. Packaged in an 8-pin DFN (Dual Flat No-Lead) and delivered in Tape & Reel (TR), it is optimized for automated surface-mount assembly.

MCP4131T-104E/MF Features

• High Resolution: 129-tap positioning for precise resistance adjustment (±20% tolerance).
• Low Wiper Resistance: 75Ω typical ensures minimal signal attenuation.
• Wide Voltage Range: Operates from 1.8V to 5.5V, ideal for mixed-voltage systems.
• SPI Interface: Enables fast, digital control with daisy-chaining support.
• Volatile Memory: Real-time wiper adjustment without non-volatile storage overhead.
• Robust Performance: 150ppm/°C temperature coefficient ensures stability across environments.
• Compact & Reliable: 8-DFN package with MSL1 (Unlimited) moisture sensitivity, ROHS3/REACH compliant.

MCP4131T-104E/MF Applications

• Industrial Automation: Calibration, sensor trimming, and feedback loop control.
• Consumer Electronics: Volume control, display brightness adjustment, and user interface tuning.
• Test & Measurement: Programmable voltage dividers and reference circuits.
• IoT & Portable Devices: Low-voltage, battery-efficient signal conditioning.
• Audio Systems: Digital gain control and filter frequency adjustment.

Conclusion of MCP4131T-104E/MF

The MCP4131T-104E/MF stands out for its high resolution, low power operation, and SPI programmability, making it a versatile choice for dynamic analog signal management. Its compact form factor, wide voltage range, and industrial-grade stability cater to demanding applications in automation, IoT, and audio systems. Compared to similar models, its 75Ω wiper resistance and 129-tap resolution offer superior precision, while the volatile memory simplifies real-time adjustments. Engineers seeking a reliable, digitally controlled potentiometer for surface-mount designs will find this device an optimal solution.

MCP4131T-104E/MF Documents

Download datasheets and manufacturer documentation for MCP4131T-104E/MF

PCN Assembly/Origin :

Assembly Site 27/Jan/2021      

Datasheets :

MCP413x,415x,423x,425x      

PCN Packaging :

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

Design Resources :

MCP4131 Development Tool Selector      

HTML Datasheet :

MCP413x,415x,423x,425x      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH