LM4040BIM7-2.5

Overview

The LM4040BIM7-2.5/NOPB is a precision micropower shunt voltage reference from Texas Instruments, offering a fixed output of 2.5V. It features an initial accuracy of ±0.2% and a temperature coefficient of 100 ppm/°C. The device operates within a cathode current range of 65 µA to 15 mA and maintains low noise at 35 µVrms (10Hz–10kHz). Designed for surface-mount applications, it utilizes a 5-pin SC-70 package with dimensions of 1.6mm x 1.2mm x 0.55mm. It supports operation temperatures from -40°C to +85°C and complies with AEC-Q100 automotive standards.

Feature Summary

• Provides stable reference voltage with tight output tolerances
• Optimized for low power consumption in portable systems
• Ensures high stability across varying thermal conditions

Applications

• Portable instrumentation circuits
• Battery-powered measurement devices
• Data acquisition systems requiring precise analog references

Procurement Notes

Verify the specific suffix configuration against the official datasheet to ensure compatibility with required tolerance and packaging specifications. Confirm that the selected variant meets all environmental and electrical requirements for the intended application environment before finalizing procurement orders.

Selection Notes

Select this component when a compact surface-mount solution with high precision is required. Consider the 100 ppm/°C temperature coefficient and low quiescent current for battery-operated designs. Ensure the SC-70 package footprint aligns with the PCB layout constraints and thermal management needs of the system.

Part Context

This part belongs to the LM4040-N series of micropower shunt voltage references. It serves as a high-precision alternative to standard zener diodes, offering superior temperature stability and lower noise. The series includes various output voltages and packages to support diverse industrial and consumer electronics applications.

Replacement Considerations

LM4040AIM7-2.5/NOPB offers tighter initial accuracy.