Texas Instruments LM4040 Precision 3V Voltage Reference, SOT-23-3

The Texas Instruments LM4040 is a precision, micropower shunt voltage reference, designed to provide a stable 3V output with high accuracy and low power consumption. This device is ideal for applications where a precise voltage reference is critical, offering an excellent balance of performance and efficiency in a compact surface-mount package.

Engineered with an initial accuracy of 0.1% and a low temperature coefficient of ± 20ppm/°C, the LM4040 ensures consistent and reliable performance across a wide operating temperature range from -40°C to 85°C. Its fixed shunt architecture makes it simple to integrate into various circuits, requiring only a resistor to set the operating current.

Housed in a robust SOT-23-3 package, this reference is suitable for space-constrained printed circuit board (PCB) designs. It is fully qualified to the AEC-Q100 automotive standard, making it a dependable choice for automotive electronics and other demanding industrial applications where component reliability is paramount.

Key Features:

• Precision Voltage Reference: Provides a fixed 3V output with tight tolerance.
• High Accuracy: Initial accuracy of 0.1% ensures precise voltage regulation.
• Excellent Temperature Stability: Low ±20ppm/°C temperature coefficient for stable operation in varying environments.
• Micropower Operation: Designed for low power consumption in battery-sensitive applications.
• Automotive Grade: AEC-Q100 qualified for enhanced reliability in automotive systems.
• Compact SMD Package: SOT-23-3 case style is ideal for high-density PCB layouts.