LM4050QBEM3X4.1/NOPB

Voltage Reference Overview

The LM4050QBEM3X4.1/NOPB is a micropower shunt voltage reference manufactured by Texas Instruments, housed in an SOT-23-3 surface-mount package. It provides a fixed output voltage of 4.096 V with an initial accuracy of 0.5%. The device features a temperature coefficient of 50 ppm/°C and supports a maximum shunt current of 15 mA. It operates within a temperature range of -40°C to +125°C and holds AEC-Q100 qualification for automotive applications.

Voltage Reference Feature Summary

• AEC-Q100 qualified for automotive reliability standards
• Micropower operation suitable for battery-powered systems
• High precision with 0.5% initial accuracy tolerance

Voltage Reference Applications

• Automotive electronic control units requiring stable reference voltages
• Portable instrumentation utilizing low-power shunt references
• Data acquisition systems needing precise voltage benchmarks

Voltage Reference Procurement Notes

Verify the complete part number including suffixes to ensure correct voltage and tolerance specifications. Confirm AEC-Q100 qualification status if automotive compliance is required. Check datasheet revisions for any updates to electrical characteristics or packaging details before finalizing procurement decisions.

Voltage Reference Selection Notes

Select this component when a 4.096 V reference with 0.5% accuracy is needed in a compact SOT-23-3 package. Consider the 50 ppm/°C temperature coefficient for thermal stability requirements. Ensure the application current does not exceed the 15 mA maximum shunt current limit during operation.

Voltage Reference Part Context

This part belongs to the LM4050-N series of micropower shunt voltage references from Texas Instruments. The 'Q' designation indicates automotive grade qualification under AEC-Q100 standards. The 'BEM3X4.1' suffix specifies the 4.096 V output voltage and specific manufacturing lot codes.