LM4050CEM3-5.0

Voltage Reference Overview

The LM4050CEM3-5.0 is a precision micropower shunt voltage reference manufactured by Texas Instruments, delivering a fixed output of 5 V. It features an initial accuracy of 0.5% and a temperature coefficient of 50 ppm/°C. The device operates within a junction temperature range of -40°C to +125°C and supports a maximum shunt current of 15 mA. Packaged in a compact SOT-23-3 surface-mount case, it belongs to the LM4050-N series.

Voltage Reference Feature Summary

• Provides stable reference voltage with high precision for sensitive analog circuits
• Operates efficiently at low quiescent currents suitable for battery-powered systems
• Maintains performance stability across extended industrial temperature ranges

Voltage Reference Applications

• Portable instrumentation requiring precise voltage standards
• Battery-operated measurement devices
• Data acquisition systems needing stable reference sources

Voltage Reference Procurement Notes

Verify component authenticity through authorized channels due to potential counterfeits. Confirm RoHS compliance status as indicated in official documentation. Check for end-of-life notifications or process change notices affecting availability. Ensure packaging specifications match design requirements before procurement.

Voltage Reference Selection Notes

Select this component when a fixed 5 V reference with 0.5% accuracy is required. Consider the SOT-23-3 package for space-constrained PCB layouts. Evaluate thermal management needs given the 125°C maximum operating temperature limit. Compare against other LM4050 variants if different accuracy or voltage levels are needed.

Voltage Reference Part Context

This part belongs to the LM4050-N family of precision micropower shunt references. It shares functional similarities with other members like the LM4050BIM3-5.0 but differs in accuracy grades and specific electrical characteristics. The series is designed for applications demanding reliable voltage referencing in compact form factors.

Voltage Reference Replacement Considerations

Direct substitutes include LM4050AIM3-5.0 for higher accuracy or LM4050BIM3-5.0 for alternative grading. Verify pin compatibility and thermal performance when replacing. Consult datasheets for exact parameter matching.