LM4050CEM3X-2.0/NOPB

Voltage Reference Overview

The LM4050CEM3X-2.0/NOPB is a micropower shunt voltage reference manufactured by Texas Instruments, featuring a fixed output of 2.048 V. It offers an initial accuracy of 0.5% and a temperature coefficient of 50 ppm/°C across the -40°C to +125°C operating range. The device operates within a shunt current range of 60 µA to 15 mA and is housed in a SOT-23-3 surface-mount package.

Voltage Reference Feature Summary

• Provides stable precision voltage reference with laser-trimmed resistors for high initial accuracy
• Operates without external stabilizing capacitors while maintaining stability with any capacitive load
• Features low dynamic impedance ensuring consistent reverse breakdown voltage accuracy over wide current ranges

Voltage Reference Applications

• Portable battery-powered instrumentation requiring low quiescent current
• Data acquisition systems needing precise analog-to-digital converter references
• Temperature sensing circuits utilizing bandgap reference characteristics

Voltage Reference Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for recent Product Change Notifications regarding manufacturing site or material updates. Ensure storage conditions meet moisture sensitivity level requirements before soldering.

Voltage Reference Selection Notes

Select this part when a compact SOT-23-3 footprint is required alongside moderate precision needs. Compare against higher accuracy grades like the B or A series if tighter tolerance is necessary. Consider the Q-series variants for automotive applications requiring AEC-Q100 qualification instead of standard industrial grade.

Voltage Reference Part Context

This component belongs to the LM4050-N family of two-terminal shunt voltage references. It shares architectural similarities with other models in the series but differs in specific output voltage and accuracy grading. The suffix indicates a reel packaging format suitable for automated surface-mount assembly processes.

Voltage Reference Replacement Considerations

LM4050CEM3-2.0/NOPB

Voltage Reference FAQ

Does the LM4050CEM3X-2.0/NOPB require an external capacitor for stability?

No, the device does not require an external stabilizing capacitor and remains stable with any capacitive load.

What is the minimum operating current for this voltage reference?

The minimum operating current is 60 µA, below which regulation may be compromised.