LM4128AQ1MF3.0/NOPB

Voltage Reference Overview

The LM4128AQ1MF3.0/NOPB is an automotive-grade precision series voltage reference from Texas Instruments, housed in a compact SOT-23-5 package. It provides a fixed output of 3 V with an initial accuracy of ±0.1% and a temperature coefficient of 100 ppm/°C. The device operates within a supply voltage range up to 6 V and draws a typical quiescent current of 60 µA. It supports a maximum shunt current of 20 mA and functions reliably across an extended temperature range from -40°C to +125°C. Certified under AEC-Q100 standards for automotive applications.

Voltage Reference Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle electronics
• High precision performance featuring 0.1% initial accuracy and low temperature drift
• Micropower operation designed for battery-powered systems with minimal current consumption
• Compact surface-mount packaging suitable for space-constrained circuit designs

Voltage Reference Applications

• Automotive sensor signal conditioning circuits
• Data acquisition systems requiring stable reference voltages
• Portable instrumentation powered by limited energy sources
• Microcontroller analog-to-digital converter references

Voltage Reference Procurement Notes

Verify the complete part number including suffixes to ensure correct voltage and tolerance specifications. Confirm AEC-Q100 certification requirements match your specific automotive application standards. Check datasheet revisions for any updates regarding pin configurations or thermal characteristics before finalizing procurement orders.

Voltage Reference Selection Notes

Select this component when high precision and automotive reliability are required in a small footprint. Compare against other LM4128 variants based on specific output voltage needs and accuracy grades. Ensure input voltage remains within specified limits to maintain regulation stability during all operating conditions.

Voltage Reference Part Context

This device belongs to the LM4128 family of micropower series voltage references manufactured by Texas Instruments. The family offers various fixed output voltages and accuracy grades tailored for different precision applications. The AQ1 designation specifically indicates automotive grade qualification, distinguishing it from commercial or industrial variants within the same product line.

Voltage Reference Replacement Considerations

LM4128AQ1MF3.3/NOPB (3.3V output)

Voltage Reference FAQ

What is the maximum input voltage for this voltage reference?

The maximum series reference input voltage is 6 V.

Does this component meet automotive industry standards?

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