MCP4131-104E/SN - Digital Pot 100kOhm 1Circuit 129Taps SPI Interface IC SOIC-8

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Datasheet

100kΩ SPI Digital Potentiometer with 129 Tap Positions for Programmable Analog Control and Signal Adjustment in SOIC-8 Package

The MCP4131-104E/SN is a single-channel digital potentiometer designed to provide programmable resistance control in analog circuits using a simple SPI interface. Manufactured by Microchip Technology, this device offers a nominal resistance of 100kOhm and 129 tap positions, allowing precise adjustment of voltage levels, gain, and signal calibration in embedded electronic systems.

This digital potentiometer replaces traditional mechanical pots with a reliable solid-state solution that can be controlled directly by microcontrollers. It is widely used in applications such as programmable gain amplifiers, adjustable voltage dividers, LCD contrast control, and calibration circuits. With its compact SOIC-8 surface-mount package and low power consumption, the MCP4131-104E/SN is well suited for modern consumer electronics, industrial control systems, and IoT devices.

Key Features

• 100kOhm Programmable Resistance – Suitable for adjustable voltage and signal control circuits.
• 129 Tap Positions – Provides fine resolution for accurate analog adjustments.
• SPI Serial Interface – Allows easy communication with microcontrollers and embedded systems.
• Single-Channel Digital Potentiometer – One resistor network for simple programmable analog control.
• Low Power Consumption – Efficient operation suitable for portable and battery-powered devices.
• Wide Operating Voltage Range – Compatible with common digital logic voltage levels.
• Compact SOIC-8 Package – Space-saving surface-mount package for PCB designs.
• Solid-State Reliability – Eliminates mechanical wear and improves long-term stability.