LM4050QAIM3-5.0/NOPB

Voltage Reference Overview

The LM4050QAIM3-5.0/NOPB is a precision micropower shunt voltage reference with a fixed output of 5 V and an initial tolerance of ±0.1%. It operates within a current range of 56 μA to 15 mA, featuring a maximum temperature coefficient of 50 ppm/°C and wideband noise of 93 μVrms. The device is housed in a compact SOT-23 package, supports extended temperatures from -40°C to 125°C, and holds AEC-Q100 Grade 1 qualification for automotive reliability.

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
• Bandgap reference temperature drift curvature correction ensures stable performance across operating ranges

Voltage Reference Applications

• Portable, battery-powered equipment
• Data acquisition systems
• Instrumentation
• Process control
• Precision audio components

Voltage Reference Procurement Notes

Verify that the specific suffix Q1 confirms AEC-Q100 Grade 1 automotive qualification. Confirm the 'A' grade designation matches the required ±0.1% initial accuracy specification. Ensure the ordering code aligns with the 5 V fixed output option and the SOT-23 surface-mount package format.

Voltage Reference Selection Notes

Select this component when space-critical applications require a precise 5 V reference without external compensation capacitors. The A-grade tolerance and low temperature coefficient make it suitable for high-accuracy data acquisition and instrumentation. Verify that the minimum operating current requirements of the circuit fall within the specified 56 μA to 15 mA range for optimal performance.

Voltage Reference Part Context

This part belongs to the LM4050-N/-Q1 family of precision micropower shunt voltage references manufactured by Texas Instruments. The family offers multiple fixed voltage options including 2.048 V, 2.5 V, 4.096 V, 8.192 V, and 10 V. All versions share the same small SOT-23 package and robust design features for industrial and automotive environments.

Voltage Reference Replacement Considerations

LM4050AIM3-5.0/NOPB

Voltage Reference FAQ

Does the LM4050QAIM3-5.0/NOPB 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 maximum temperature coefficient for this device?

The maximum temperature coefficient is 50 ppm/°C over the extended temperature range.