LM4050QAEM3-2.0/NOPB

Voltage Reference Overview

The LM4050QAEM3-2.0/NOPB is a precision micropower shunt voltage reference manufactured by Texas Instruments, designed for automotive applications. It provides a fixed output voltage of 2.048 V with an initial accuracy of ±0.1%. The device operates within a temperature range of -40°C to +125°C and features a temperature coefficient of 50 ppm/°C. It supports a maximum shunt current of 15 mA and utilizes a SOT-23-3 surface-mount package. The component holds AEC-Q100 qualification.

Voltage Reference Feature Summary

• Automotive-grade reliability with AEC-Q100 qualification for robust performance in vehicle environments.
• High precision voltage regulation with ±0.1% initial accuracy ensuring stable reference outputs.
• Micropower operation capability suitable for battery-powered and energy-efficient circuit designs.

Voltage Reference Applications

• Automotive electronic systems requiring precise voltage monitoring
• Data acquisition systems needing stable reference voltages
• Microcontroller analog-to-digital converter references

Voltage Reference Procurement Notes

Verify the specific suffix and tolerance code against the official Texas Instruments datasheet to ensure the component matches the required automotive grade and accuracy specifications. Confirm that the SOT-23-3 package footprint aligns with the design layout. Check for any recent product change notifications or lifecycle status updates from the manufacturer before finalizing procurement plans.

Voltage Reference Selection Notes

Select this component when high accuracy and automotive certification are mandatory. The ±0.1% tolerance offers superior precision compared to standard industrial grades. Ensure the application can accommodate the thermal requirements of the SOT-23-3 package within the specified operating temperature range. Consider the micropower characteristics for efficiency optimization in low-power designs.

Voltage Reference Part Context

This part belongs to the LM4050-N/-Q1 family of precision shunt voltage references. It shares the core architecture with other variants in the series but is distinguished by its specific 2.048 V output voltage and enhanced ±0.1% accuracy grade. The 'Q' designation indicates its suitability for automotive applications, differentiating it from standard commercial versions.

Voltage Reference Replacement Considerations

LM4050QAEM3-2.5/NOPB

Voltage Reference FAQ

What is the initial accuracy of the LM4050QAEM3-2.0/NOPB?

The initial accuracy is ±0.1%.

Is this component qualified for automotive use?

Yes, it is AEC-Q100 qualified for automotive applications.