LM4050QBEM3X8.2/NOPB

Voltage Reference Overview

The LM4050QBEM3X8.2/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% and a temperature coefficient of 50 ppm/°C. The device operates within a junction temperature range of -40°C to +125°C and features a low cathode current of 65 µA. It supports a maximum output current of 15 mA and is housed in a compact SOT-23-3 surface-mount package.

Voltage Reference Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards
• High precision with ±0.2% initial accuracy tolerance
• Micropower operation with ultra-low cathode current consumption
• Compact SOT-23-3 surface-mount packaging

Voltage Reference Applications

• Automotive data acquisition systems
• Precision analog-to-digital converter references
• Battery management system monitoring
• Industrial sensor signal conditioning

Voltage Reference Procurement Notes

Verify the specific suffix 'Q' indicates automotive grade and 'B' denotes ±0.2% accuracy when sourcing. Confirm the 'NOPB' suffix ensures lead-free and RoHS compliance. Ensure the ordering part number matches the required 8.192V output exactly. Check manufacturer documentation for any recent product change notices affecting pinout or specifications.

Voltage Reference Selection Notes

Select this component for designs requiring high stability in automotive environments. The ±0.2% accuracy suits precision measurement tasks. Consider the 50 ppm/°C temperature coefficient for thermal stability needs. Verify that the 15 mA load capability meets circuit requirements. The SOT-23-3 package is suitable for space-constrained PCB layouts.

Voltage Reference Part Context

This part belongs to the LM4050 family of micropower shunt voltage references from Texas Instruments. The family offers various fixed output voltages and accuracy grades. The 'Q' prefix specifically designates automotive-grade devices qualified for harsh operating conditions. This series is widely used in industrial and automotive electronics requiring stable reference voltages.

Voltage Reference Replacement Considerations

LM4050QAIM3X8.2/NOPB (±0.5% accuracy)

Voltage Reference FAQ

What does the 'Q' prefix indicate in the part number?

The 'Q' prefix signifies that the device is qualified for automotive applications according to AEC-Q100 standards.

What is the maximum output current capability?

The device can source a maximum output current of 15 mA.