LM4050QBEM3-2.5/NOPB

Voltage Reference Overview

The LM4050QBEM3-2.5/NOPB is a micropower shunt voltage reference IC manufactured by Texas Instruments, designed for precision applications requiring high stability and low power consumption. It operates within an extended temperature range of -40°C to +125°C and features a fixed output voltage of 2.5V with an initial accuracy tolerance of ±0.2%. The device exhibits a temperature coefficient of 50ppm/°C and supports a maximum cathode current of 15mA while maintaining a low quiescent current of 65µA. Packaged in a compact SOT-23-3 surface-mount format, it meets AEC-Q100 automotive qualification standards and delivers a noise level of 41µVrms across the 10Hz to 10kHz frequency band.

Voltage Reference Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards for robust performance in demanding environments
• Micropower architecture enabling efficient operation with minimal quiescent current consumption
• High precision voltage regulation with tight initial accuracy tolerance and stable temperature characteristics

Voltage Reference Applications

• Automotive electronic systems requiring qualified voltage references
• Portable battery-powered instrumentation benefiting from low power profiles
• Data acquisition systems needing stable analog reference voltages

Voltage Reference Procurement Notes

Verify the specific suffix configuration against official Texas Instruments documentation to ensure correct voltage and tolerance specifications. Confirm that the component meets all required environmental and automotive qualification standards for your intended application before finalizing procurement decisions.

Voltage Reference Selection Notes

Select this component when automotive qualification is mandatory alongside precise voltage regulation requirements. Consider the SOT-23-3 package constraints for space-limited designs and evaluate the 65µA quiescent current against system power budgets to ensure optimal efficiency during continuous operation.

Voltage Reference Part Context

This part belongs to the LM4050-N/Q1 series of micropower shunt voltage references from Texas Instruments. The 'Q' designation indicates automotive grade qualification, while 'B' specifies the ±0.2% accuracy class. The 'EM3' denotes the SOT-23-3 surface-mount package type, and 'NOPB' signifies lead-free and RoHS compliance without specific packaging variations affecting function.

Voltage Reference Replacement Considerations

LM4050QAEM3-2.5/NOPB offers higher precision at ±0.1% tolerance. LM4050QBIM3-2.5/NOPB provides equivalent ±0.2% accuracy in the same package.