LM4050QBEM3X10/NOPB

Voltage Reference Overview

The LM4050QBEM3X10/NOPB is a micropower shunt voltage reference from Texas Instruments, housed in a SOT-23-3 package. It provides a fixed output of 2.5V with an initial accuracy of ±0.2% 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 cathode current of 15 mA. It features low noise characteristics, specifically 41 µVrms between 10 Hz and 10 kHz. The component is AEC-Q100 qualified for automotive applications.

Voltage Reference Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards
• High precision voltage regulation with ±0.2% initial accuracy
• Micropower operation suitable for battery-powered systems

Voltage Reference Applications

• Automotive electronic control units requiring stable reference voltages
• Precision analog-to-digital converter input references
• Portable instrumentation circuits demanding low power consumption

Voltage Reference Procurement Notes

Verify the specific suffix 'X10' against official Texas Instruments documentation to confirm reel quantity or tape-and-reel specifications. Ensure the 'Q' designation aligns with required automotive qualification levels. Cross-reference the full part number with the manufacturer's latest datasheet to confirm availability status and any recent process change notifications that may affect performance parameters.

Voltage Reference Selection Notes

Select this component when high accuracy and automotive certification are mandatory. The SOT-23-3 package offers space efficiency for compact designs. Consider the 50 ppm/°C temperature coefficient for environments with significant thermal variations. Compare against non-automotive grades if cost sensitivity outweighs the need for AEC-Q100 compliance.

Voltage Reference Part Context

This part belongs to the LM4050-N series of micropower shunt voltage references. The series includes various fixed output voltages and accuracy grades. The 'Q' prefix indicates automotive qualification, while 'B' denotes the specific accuracy bin. The 'NOPB' suffix typically signifies lead-free and RoHS-compliant manufacturing.

Voltage Reference FAQ

What is the noise specification of the LM4050QBEM3X10/NOPB?

The device exhibits a noise level of 41 µVrms measured over the frequency range of 10 Hz to 10 kHz.

Is this component suitable for harsh automotive environments?

Yes, it is AEC-Q100 qualified and rated for operation up to a junction temperature of +125°C.