LM4050AEM3-4.1/V+T

Voltage Reference Overview

The LM4050AEM3-4.1/V+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 4.096V 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 is housed in a 3-pin SOT23 surface-mount package. It is qualified under the AEC-Q100 standard for automotive applications and functions reliably across a temperature range of -40°C to +125°C.

Voltage Reference Feature Summary

• AEC-Q100 qualified for automotive reliability
• Ultra-small 3-pin SOT23 surface-mount package
• Laser-trimmed resistors ensure high initial accuracy
• Stable operation without external stabilizing capacitors

Voltage Reference Applications

• Automotive electronics systems
• Portable battery-powered equipment
• Industrial process controls
• Notebook computers

Voltage Reference Procurement Notes

Verify that the specific /V suffix confirms AEC-Q100 qualification status as indicated in official documentation. Confirm the SOT23 package code matches design requirements. Ensure supply chain sources provide original manufacturer data sheets to validate the exact grade and revision level before integration into production designs.

Voltage Reference Selection Notes

Select this component when automotive-grade reliability is required alongside precise voltage referencing. The 4.096V output suits ADC/DAC references and regulator feedback loops. Verify that the circuit can maintain shunt currents between 60µA and 15mA to ensure stability. Consider thermal derating if operating near the upper temperature limit with high load currents.

Voltage Reference Part Context

This part belongs to the LM4050/LM4051 family of micropower shunt voltage references. The series offers multiple fixed breakdown voltages including 1.225V, 2.048V, 2.500V, 3.000V, 3.3V, 4.096V, and 5.000V. The LM4050 variant specifically denotes the 4.096V output option within this precision bandgap reference lineup.

Voltage Reference Replacement Considerations

LM4050AEM3-4.1+T (Non-Automotive Grade)

Voltage Reference FAQ

Does the LM4050AEM3-4.1/V+T require an external capacitor for stability?

No, the device does not require an external stabilizing capacitor and remains stable with any capacitive load.

What is the minimum operating current for this reference?

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