LM4050QCEM3X8.2/NOPB

Voltage Reference Overview

The LM4050QCEM3X8.2/NOPB is an automotive-grade precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 8.192 V with an initial accuracy of 0.5%. The device features a temperature coefficient of 50 ppm/°C and operates within a junction temperature range of -40°C to +125°C. Packaged in a compact SOT-23-3 surface-mount case, it meets AEC-Q100 qualification standards for automotive applications.

Voltage Reference Feature Summary

• Automotive-grade reliability certified under the AEC-Q100 standard for sustained performance in vehicle environments.
• Micropower shunt architecture designed to minimize current consumption while maintaining stable regulation.
• Precision voltage reference capability ensuring tight initial accuracy and low temperature drift over wide operating ranges.

Voltage Reference Applications

• Automotive electronic control units requiring stable reference voltages
• Data acquisition systems in vehicular networks
• Analog-to-digital converter reference inputs in automotive sensors

Voltage Reference Procurement Notes

Verify the complete part number including the suffix X8.2/NOPB to ensure correct voltage and packaging configuration. Confirm AEC-Q100 compliance requirements match your specific automotive application standards. Check datasheet revisions for any recent parameter updates or pinout confirmations before finalizing procurement specifications.

Voltage Reference Selection Notes

Select this component when automotive qualification is mandatory alongside precise 8.192 V reference needs. The SOT-23-3 package suits space-constrained PCB layouts. Ensure input voltage exceeds the reference output plus dropout requirements. Consider thermal management if operating near maximum junction temperatures.

Voltage Reference Part Context

This device belongs to the LM4050-N/-Q1 family of micropower shunt voltage references from Texas Instruments. The Q prefix indicates automotive qualification, while the CEM3 designation specifies the SOT-23-3 package variant. The NOPB suffix denotes lead-free construction compliant with RoHS directives.

Voltage Reference FAQ

Is the LM4050QCEM3X8.2/NOPB suitable for high-vibration automotive environments?

Yes, the device is AEC-Q100 qualified, which ensures reliability under automotive mechanical stress conditions including vibration and shock.

What is the minimum operating current required for proper regulation?

The datasheet specifies a minimum cathode current requirement for stable operation; verify the specific value in the electrical characteristics table of the official datasheet.