LM4050QAEM3X5.0/NOPB

Voltage Reference Overview

The LM4050QAEM3X5.0/NOPB is a micropower shunt voltage reference manufactured by Texas Instruments, featuring a fixed output of 5.0 V. It offers an initial accuracy of 0.1% and a temperature coefficient of 50 ppm/°C. The device operates within a current range of 78 µA to 15 mA and supports an extended temperature range from -40°C to +125°C. Packaged in a compact SOT-23-3 surface-mount format, it is AEC-Q100 qualified for automotive applications.

Voltage Reference Feature Summary

• AEC-Q100 qualified for automotive reliability standards
• High precision with 0.1% initial accuracy
• Stable operation without external stabilizing capacitors

Voltage Reference Applications

• Automotive electronic systems requiring precise voltage references
• Data acquisition systems demanding high accuracy
• Portable instrumentation utilizing low power consumption

Voltage Reference Procurement Notes

Verify the specific suffix configuration against official datasheets to ensure compatibility with required automotive qualification standards. Confirm that the SOT-23-3 package dimensions align with the target PCB layout constraints. Cross-reference the manufacturing date code and lot traceability requirements with supply chain documentation to meet quality assurance protocols for end-use equipment.

Voltage Reference Selection Notes

Select this component when automotive-grade reliability is mandatory alongside tight tolerance requirements. The 0.1% accuracy distinguishes it from lower-grade variants like the C-series. Ensure the design accommodates the 78 µA minimum operating current to maintain regulation stability. Consider the SOT-23-3 footprint if space optimization is critical compared to larger packages.

Voltage Reference Part Context

This part belongs to the LM4050-N family of precision micropower shunt voltage references. It shares core architectural features with other members but is distinguished by its automotive qualification (Q) and specific 5.0 V output variant. The NOPB suffix indicates lead-free construction compliant with RoHS directives.

Voltage Reference Replacement Considerations

LM4050CEM3X-5.0/NOPB: Non-automotive grade with 0.5% accuracy. LM4050AIM3X-5.0/NOPB: Industrial grade with 0.1% accuracy but lacks AEC-Q100 certification.