LM4041AEM3-1.2-T

Voltage Reference Overview

The LM4041AEM3-1.2-T is a micropower shunt voltage reference manufactured by Analog Devices Inc. (formerly Maxim Integrated). It provides a fixed output voltage of 1.225 V with an initial accuracy of ±0.1% at 25 °C. The device operates with a low current consumption of 60 µA and features a maximum temperature coefficient of 100 ppm/°C. It is housed in a compact SC-70-3 surface-mount package, suitable for space-constrained designs.

Voltage Reference Feature Summary

• Provides stable 1.225 V reference voltage with high precision
• Ultra-low operating current suitable for power-restricted applications
• Capable of driving capacitive loads without external stabilization components

Voltage Reference Applications

• Portable battery-powered instrumentation
• Space-critical embedded systems
• Precision analog-to-digital converter references

Voltage Reference Procurement Notes

Verify the manufacturer designation as Analog Devices Inc. or Maxim Integrated to ensure component authenticity. Confirm the specific suffix matches the required accuracy grade and packaging format. Cross-reference the datasheet specifications against the intended circuit requirements to validate performance under operational conditions.

Voltage Reference Selection Notes

Select this component when a sub-miniature footprint is required alongside high precision. The fixed 1.225 V output eliminates the need for external resistors. Ensure the design accommodates the specified operating current range and thermal environment for optimal stability.

Voltage Reference Part Context

This part belongs to the LM4041-N series of precision micropower shunt voltage references. The series offers various accuracy grades and output voltages in small surface-mount packages like SOT-23 and SC-70. It is designed for applications requiring minimal board space and low power consumption.

Voltage Reference Replacement Considerations

LM4041AEM3-1.2/NOPB