LM4050AEM3-3.0+T

Voltage Reference Overview

The LM4050AEM3-3.0+T is a precision two-terminal shunt-mode bandgap voltage reference manufactured by Analog Devices Inc./Maxim Integrated. It provides a fixed reverse breakdown voltage of 3.000V with an initial accuracy of 0.1% and a maximum temperature coefficient of 50ppm/°C. The device operates within a wide current range from 60µA to 15mA and features low dynamic impedance. It is housed in a 3-pin SOT23 surface-mount package and is guaranteed to function over a temperature range of -40°C to +125°C.

Voltage Reference Feature Summary

• Ultra-small 3-pin SOT23 surface-mount package
• Laser-trimmed resistors ensure excellent initial accuracy
• Stable reverse breakdown voltage across wide operating currents
• No external stabilizing capacitor required for stability

Voltage Reference Applications

• Portable, battery-powered equipment
• Notebook computers
• Cell phones
• Industrial process controls
• Automotive systems

Voltage Reference Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to confirm package type and electrical grade. Confirm RoHS compliance status through the datasheet or component markings. Ensure the selected variant matches the required output voltage and accuracy specifications for the target application environment.

Voltage Reference Selection Notes

Select this component when space constraints require a compact surface-mount voltage reference. The 0.1% accuracy grade is suitable for high-precision applications requiring stable references. Consider the thermal resistance characteristics if operating near the upper temperature limits to prevent junction overheating under maximum load conditions.

Voltage Reference Part Context

This part belongs to the LM4050/LM4051 family of micropower shunt voltage references. The series offers multiple fixed reverse breakdown voltages including 1.225V, 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, and 5.000V. Variants are available in both SC70 and SOT23 packages with different accuracy grades ranging from 0.1% to 0.5%.

Voltage Reference Replacement Considerations

LM4050BEX3-3.0+T (0.2% accuracy)

Voltage Reference FAQ

Does the LM4050AEM3-3.0+T require an external capacitor for stability?

No, the device does not require an external stabilizing capacitor and ensures stability with any capacitive loads.

What is the minimum operating current for this reference?

The minimum operating current is typically 60µA, ensuring proper regulation down to this level.