LM4050QBEM3-8.2/NOPB

Voltage Reference Overview

The LM4050QBEM3-8.2/NOPB is a micropower shunt voltage reference manufactured by Texas Instruments, designed for automotive applications with AEC-Q100 qualification. It provides a fixed output voltage of 8.192 V with an initial accuracy of 0.2%. The device operates within a temperature range of -40°C to +125°C and features a temperature coefficient of 50 ppm/°C. Packaged in a compact SOT-23-3 surface-mount case, it supports a maximum cathode current of 15 mA while maintaining low quiescent current characteristics suitable for power-sensitive designs.

Voltage Reference Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards for robust performance in vehicle environments
• High precision voltage regulation with tight initial tolerance ensuring stable reference outputs
• Micropower consumption profile optimized for battery-operated and energy-efficient systems

Voltage Reference Applications

• Automotive sensor signal conditioning circuits
• Data acquisition systems requiring precise voltage references
• Portable electronic devices with strict power constraints

Voltage Reference Procurement Notes

Verify the complete part number including suffixes such as NOPB and packaging options like reel or cut tape. Confirm AEC-Q100 certification status matches specific project requirements. Ensure compatibility with SOT-23-3 footprints during PCB layout. Check for any recent process change notifications that may affect long-term availability or specifications.

Voltage Reference Selection Notes

Select this component when automotive qualification and high precision are required simultaneously. Compare initial accuracy and temperature coefficients against other shunt references if tighter tolerances are needed. Consider the SOT-23-3 package size constraints versus thermal dissipation needs. Evaluate quiescent current impacts on overall system battery life compared to series reference alternatives.

Voltage Reference Part Context

This device belongs to the LM4050 family of micropower shunt voltage references from Texas Instruments. The Q prefix indicates automotive grade qualification, distinguishing it from commercial variants. The EM3 suffix denotes the SOT-23-3 package type, while the 8.2 specifies the 8.192 V output voltage. This family offers a balance of precision, low power, and small form factor for modern electronics.

Voltage Reference FAQ

What is the maximum cathode current for the LM4050QBEM3-8.2/NOPB?

The maximum cathode current is 15 mA, allowing it to handle moderate load currents while maintaining regulation.

Does this component meet automotive reliability standards?

Yes, it is qualified according to AEC-Q100 standards, making it suitable for automotive applications.