LM4128DQ1MFX4.1/NOPB

Voltage Reference Overview

The LM4128DQ1MFX4.1/NOPB is an automotive-grade series precision voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 4.096 V with an initial accuracy of 1%. The device operates within a supply voltage range up to 6 V and supports a maximum shunt current of 20 mA. It features a temperature coefficient of 100 ppm/°C and functions across an extended temperature range from -40°C to +125°C. Packaged in a SOT-23-5 surface-mount case, it holds AEC-Q100 qualification for automotive applications.

Voltage Reference Feature Summary

• AEC-Q100 qualified for automotive reliability standards
• Series precision reference architecture
• Extended industrial temperature operation

Voltage Reference Applications

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

Voltage Reference Procurement Notes

Verify the complete part number including suffixes such as NOPB and reel specifications against official Texas Instruments documentation. Confirm that the specific package variant matches the required PCB footprint. Ensure the component meets the necessary automotive qualification standards for the intended application environment before procurement.

Voltage Reference Selection Notes

Select this component when a stable 4.096 V reference is required in space-constrained automotive designs. The SOT-23-5 package offers a compact solution compared to larger through-hole options. Consider the 1% initial accuracy and 100 ppm/°C drift characteristics against system tolerance requirements.

Voltage Reference Part Context

This part belongs to the LM4128 family of micropower shunt voltage references. The 'D' suffix indicates the 1% accuracy grade, while 'Q1' denotes automotive qualification. The 'MF' specifies the SOT-23-5 package type, and 'NOPB' confirms lead-free and RoHS compliance status.

Voltage Reference Replacement Considerations

LM4128DQ1MF4.1/NOPB (Tape & Reel)

Voltage Reference FAQ

What is the maximum input voltage for this device?

The maximum series reference input voltage is 6 V.

Is this component suitable for harsh automotive environments?

Yes, it is AEC-Q100 qualified and rated for operation up to +125°C.