LM4050QAIM3-8.2/NOPB

Voltage Reference Overview

The LM4050QAIM3-8.2/NOPB is a precision 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 ±0.5% 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 78 µA. It is housed in a compact SOT-23-3 surface-mount package.

Voltage Reference Feature Summary

• Automotive-grade reliability certified under the AEC-Q100 standard for sustained performance in demanding environments.
• High precision voltage regulation maintained through tight initial accuracy tolerances and stable temperature coefficients.
• Ultra-low power consumption achieved via minimal cathode current requirements suitable for battery-operated systems.

Voltage Reference Applications

• Automotive sensor signal conditioning circuits requiring stable reference voltages.
• Data acquisition systems utilizing analog-to-digital converters needing precise voltage benchmarks.
• Battery-powered instrumentation where low quiescent current extends operational life.

Voltage Reference Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm AEC-Q100 automotive qualification status is explicitly documented for the specific lot. Ensure the SOT-23-3 package variant matches design footprint requirements. Validate that the 8.192 V output tolerance aligns with system accuracy constraints before integration into production assemblies.

Voltage Reference Selection Notes

Select this component when automotive certification is mandatory alongside high precision voltage referencing. The 8.192 V output suits applications requiring specific scaling factors for measurement ranges. Consider the 50 ppm/°C temperature coefficient for thermal stability needs. The SOT-23-3 package offers space efficiency for dense PCB layouts compared to larger through-hole alternatives.

Voltage Reference Part Context

This part belongs to the LM4050 family of micropower shunt voltage references from Texas Instruments. The family includes various output voltages and accuracy grades tailored for industrial and automotive sectors. The Q prefix indicates automotive qualification, while AIM3 specifies the specific accuracy grade and package type within the broader product line.

Voltage Reference FAQ

What is the maximum operating junction temperature for this voltage reference?

The maximum operating junction temperature is +125°C, ensuring functionality in high-temperature automotive environments.

Does this component meet automotive industry standards?

Yes, it is qualified according to the AEC-Q100 standard for integrated circuits used in automotive applications.