LM4040C30ILPE3

Overview

The LM4040C30ILPE3 is a micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 3V with an initial accuracy of ±0.5%. The device operates within a temperature range of -40°C to +85°C and features a temperature coefficient of 100 ppm/°C. It supports a maximum shunt current of 15 mA and requires a minimum operating current of 82 µA. The component is housed in a TO-92-3 (TO-226AA) through-hole package.

Feature Summary

• Provides stable 3V reference output with high precision
• Micropower operation suitable for battery-powered applications
• Through-hole mounting for standard PCB integration

Applications

• Precision analog-to-digital converter references
• Battery monitoring systems
• Portable instrumentation circuits

Procurement Notes

Verify the specific suffix ILPE3 against the official datasheet to confirm lead-free status and RoHS compliance. Confirm that the TO-92-3 package matches the target board layout requirements. Ensure the 3V output aligns with system voltage needs before procurement.

Selection Notes

Select this component when a low-cost, through-hole voltage reference is required for general-purpose precision applications. The 100 ppm/°C temperature coefficient offers adequate stability for many industrial environments. Consider alternative packages if surface-mount space is limited.

Part Context

This part belongs to the LM4040 family of micropower shunt voltage references from Texas Instruments. The family includes various output voltages and accuracy grades. The LM4040 series is designed to replace Zener diodes in precision applications requiring better stability and lower noise characteristics.

Replacement Considerations

Check for direct equivalents such as LM4040C30ILP or LM4040C30ILPR. Verify pinout compatibility and thermal performance when substituting.