MICROCHIP LM4040 Voltage Reference, Shunt, 2.5V, SOT-23-3

The MICROCHIP LM4040 is a precision micropower shunt voltage reference, providing a stable and accurate 2.5V output. Designed for applications requiring reliable voltage biasing, its fixed shunt configuration and high initial accuracy of 0.5% ensure consistent performance in a compact footprint.

Operating over a wide temperature range from -40°C to 85°C, this device features a low temperature coefficient of ±20ppm/°C, minimising output drift and enhancing stability in varying environmental conditions. Its surface-mount SOT-23-3 package is ideal for space-constrained PCB designs, making it a versatile choice for modern electronics.

Key Features and Benefits:

• Precision Voltage Reference: Delivers a fixed 2.5V reference with excellent accuracy for critical analogue and digital circuits.
• Micropower Operation: Efficient design is suitable for battery-powered and low-power devices.
• Excellent Temperature Stability: The low ±20ppm/°C coefficient ensures reliable performance across the full operating temperature range.
• Compact Surface-Mount Package: The SOT-23-3 case style allows for high-density board layouts and automated assembly.
• Wide Operating Range: Functions reliably in industrial environments from -40°C to 85°C.

This component is an essential building block for designers seeking a dependable voltage reference for precision measurement, data acquisition, and power management systems.