LM4050BIM3X-5.0

Voltage Reference Overview

The LM4050BIM3X-5.0 is a precision micropower shunt voltage reference manufactured by Texas Instruments, featuring a fixed reverse breakdown voltage of 5 V. It utilizes an SOT-23 surface-mount package with dimensions of 3 mm × 1.3 mm. The device offers an initial accuracy of ±0.2% at 25°C and maintains a maximum temperature coefficient of 50 ppm/°C across the operating range. It supports a wide operating current range from 56 μA to 15 mA and exhibits a typical wideband noise of 93 μVrms between 10 Hz and 10 kHz. The component operates within an industrial temperature range of -40°C to +85°C.

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 for high accuracy
• Bandgap reference design provides curvature correction and low dynamic impedance

Voltage Reference Applications

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

Voltage Reference Procurement Notes

Verify the specific suffix 'X' against the manufacturer's datasheet to confirm reel packaging specifications and ensure compatibility with automated pick-and-place assembly processes. Confirm that the B-grade tolerance aligns with circuit requirements. Check for RoHS compliance status as indicated in official documentation before final procurement.

Voltage Reference Selection Notes

Select this component when space constraints require a subminiature SOT-23 footprint. Ensure the application requires a fixed 5 V reference with ±0.2% initial accuracy. Verify that the operating current remains within the 56 μA to 15 mA range to maintain specified performance levels and thermal characteristics.

Voltage Reference Part Context

This part belongs to the LM4050-N series of precision micropower shunt voltage references. The series includes multiple fixed voltage options such as 2.048 V, 2.5 V, 4.096 V, 8.192 V, and 10 V. The LM4050-N-Q1 variant is AEC-Q100 Grade 1 qualified for automotive applications, whereas standard versions are designed for industrial use.

Voltage Reference Replacement Considerations

LM4050AIM3X-5.0/NOPB

Voltage Reference FAQ

Does the LM4050BIM3X-5.0 require an external capacitor for stability?

No, the LM4050-N design eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load.

What is the minimum operating current for the 5 V option?

The minimum operating current (IRMIN) for the 5 V option is typically 56 μA at 25°C and increases to 80 μA across the industrial temperature range.