Microchip Technology

MCP4331-103E/ML  

Digital Potentiometers

MCP4331-103E/ML Description

The MCP4331-103E/ML from Microchip Technology is a quad-channel digital potentiometer (digipot) with a 10kΩ resistance and 129 tap points, offering precise analog adjustment via SPI interface. Designed for surface-mount applications, it operates within a 1.8V to 5.5V supply range, making it versatile for both low-power and standard voltage systems. With a ±20% tolerance and 150ppm/°C temperature coefficient, it ensures stable performance across varying environmental conditions. The device features volatile memory, requiring reconfiguration upon power-up, and is housed in a compact 20-QFN package, ideal for space-constrained designs.

MCP4331-103E/ML Features

• Quad-Channel Configuration: Four independent potentiometers in a single IC, reducing board space and complexity.
• Low Wiper Resistance: 75Ω (typical) minimizes signal attenuation in precision circuits.
• Wide Voltage Range: Supports 1.8V to 5.5V, compatible with 3.3V and 5V systems.
• Linear Taper: Uniform resistance adjustment for linear control applications.
• SPI Interface: Enables high-speed digital control with daisy-chaining capability.
• RoHS3 Compliant & REACH Unaffected: Meets environmental and regulatory standards.
• Industrial-Grade Reliability: MSL 3 (168 hours) moisture sensitivity ensures robustness in manufacturing.

MCP4331-103E/ML Applications

• Analog Signal Conditioning: Calibration of sensors, amplifiers, and filters in test equipment.
• Volume Control: Audio systems requiring multi-channel level adjustment.
• Power Supply Calibration: Fine-tuning voltage/current in DC-DC converters or LED drivers.
• Industrial Automation: Process control systems where remote resistance adjustment is critical.
• Consumer Electronics: User-adjustable settings in smart home devices or wearables.

Conclusion of MCP4331-103E/ML

The MCP4331-103E/ML stands out for its multi-channel integration, low power operation, and SPI programmability, making it a superior choice for applications demanding precision and flexibility. Its compact form factor and wide voltage compatibility cater to modern embedded designs, while the linear taper ensures consistent performance in control systems. Ideal for both prototyping and production, this digital potentiometer combines Microchip’s reliability with advanced functionality for diverse electronic systems.

MCP4331-103E/ML Documents

Download datasheets and manufacturer documentation for MCP4331-103E/ML

PCN Assembly/Origin :

Assembly Site 22/Nov/2023      

Datasheets :

MCP433x,435x      

PCN Packaging :

MBB/Label Chgs 16/Nov/2018       Label and Packing Changes 23/Sep/2015      

Design Resources :

MCP4331 Development Tool Selector      

PCN Design/Specification :

CuPdAu wire 25/Nov/2016       Lead Frame Update 16/Feb/2015      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH