Microchip Technology

MCP4161T-103E/MF  

Digital Potentiometers

MCP4161T-103E/MF Description

The MCP4161T-103E/MF from Microchip Technology is a high-precision 10kΩ digital potentiometer with 257 taps, offering fine-grained resistance adjustment via SPI interface. Designed for surface-mount applications, it operates within a 1.8V to 5.5V supply range, making it suitable for low-voltage systems. This single-channel device features a linear taper and integrates WiperLock™ technology to prevent unintended wiper movement, ensuring stable performance in noisy environments. With a ±20% tolerance and 150ppm/°C temperature coefficient, it balances cost and precision for general-purpose use. Packaged in an 8-DFN (Tape & Reel), it complies with ROHS3 and REACH standards.

MCP4161T-103E/MF Features

• SPI Interface: Enables easy digital control with minimal GPIO usage.
• WiperLock™ Technology: Locks the wiper position to prevent drift from ESD or noise.
• Low Wiper Resistance (75Ω typ): Minimizes signal attenuation in voltage-divider applications.
• Wide Voltage Range (1.8V–5.5V): Compatible with 3.3V and 5V systems.
• 257 Taps: Provides high resolution for precise adjustments.
• Industrial Robustness: MSL 1 (Unlimited) rating ensures reliability in humid environments.

MCP4161T-103E/MF Applications

• Analog Signal Conditioning: Calibration of sensors, op-amp gain control, and filter tuning.
• Low-Voltage Systems: Portable devices, battery-powered IoT nodes, and wearables.
• Automotive Electronics: Dashboard controls and infotainment systems (non-safety-critical).
• Test & Measurement Equipment: Programmable reference voltage generation.
• Consumer Electronics: Volume control, brightness adjustment, and user-configurable settings.

Conclusion of MCP4161T-103E/MF

The MCP4161T-103E/MF stands out for its SPI programmability, WiperLock™ stability, and broad voltage compatibility, making it ideal for applications demanding reliable digital resistance adjustment. Its 10kΩ resistance and 257-tap resolution strike a balance between precision and affordability, while the 8-DFN package saves board space. A versatile choice for designers seeking a robust, digitally controlled potentiometer for industrial, automotive, and consumer systems.

MCP4161T-103E/MF Documents

Download datasheets and manufacturer documentation for MCP4161T-103E/MF

PCN Assembly/Origin :

Assembly Site 27/Jan/2021      

Datasheets :

MCP414x/416x/424x/426x      

PCN Packaging :

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

Design Resources :

MCP4161 Development Tool Selector      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH