LM4050BEM3X-10

Voltage Reference Overview

The LM4050BEM3X-10/NOPB is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed reverse breakdown voltage of 10 V with an initial accuracy of ±0.2% at 25°C. The device operates within a temperature range of -40°C to 85°C and features a maximum temperature coefficient of 50 ppm/°C. It utilizes a SOT-23 surface-mount package, measuring 3 mm x 1.3 mm. Key electrical specifications include a minimum operating current of 103 μA in the industrial range and a maximum operating current of 15 mA.

Voltage Reference Feature Summary

• Eliminates the need for external stabilizing capacitors while ensuring stability with any capacitive load
• Utilizes fuse and Zener-zap reverse breakdown voltage trim during wafer sort to ensure high accuracy
• Incorporates bandgap reference temperature drift curvature correction for stable performance across temperatures

Voltage Reference Applications

• Portable, battery-powered equipment
• Data acquisition systems
• Instrumentation
• Process control
• Product testing

Voltage Reference Procurement Notes

Verify the specific suffix 'NOPB' indicates lead-free compliance and RoHS status as per the manufacturer's datasheet. Confirm the 'B' grade designation corresponds to the required ±0.2% initial accuracy tolerance. Ensure the 'EM3X' suffix matches the intended reel packaging format for automated assembly processes.

Voltage Reference Selection Notes

Select this component when space constraints require a sub-miniature SOT-23 package. Choose the B grade variant if tighter initial accuracy than the standard C grade is necessary. Verify that the 10 V output aligns with system requirements and that the 50 ppm/°C temperature coefficient meets the application's thermal stability needs.

Voltage Reference Part Context

This part belongs to the LM4050-N family of precision micropower shunt voltage references. The family offers various fixed voltages including 2.048 V, 2.5 V, 4.096 V, 5 V, 8.192 V, and 10 V. The LM4050-N-Q1 variant exists for automotive applications, but this specific part number represents the industrial grade version.

Voltage Reference Replacement Considerations

LM4050BIM3-10/NOPB

Voltage Reference FAQ

Does the LM4050BEM3X-10 require an output capacitor?

No, the design eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load.

What is the minimum operating current for the 10 V option?

The minimum operating current is 103 μA in the industrial temperature range (-40°C to 85°C).