LM4041DIM3-1.2

Voltage Reference Overview

The LM4041DIM3-1.2 is a micropower shunt voltage reference providing a fixed 1.225 V output. It features an initial accuracy of ±0.5% at 25°C and operates within a temperature range of -40°C to +85°C. The device has a maximum operating current of 12 mA and a minimum operating current of 60 µA. It utilizes a SOT-23 (SC-70) surface-mount package with three pins.

Voltage Reference Feature Summary

• Eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load
• Bandgap reference temperature drift curvature correction ensures stable reverse breakdown voltage accuracy over wide operating temperatures and currents
• Available in sub-miniature packages ideal for space-critical applications

Voltage Reference Applications

• Space-critical electronic designs requiring compact footprints
• Power restricted systems utilizing low quiescent current
• Precision measurement circuits requiring stable reference voltages

Voltage Reference Procurement Notes

Verify the manufacturer designation, as National Semiconductor is now part of Texas Instruments. Confirm the specific suffix 'DIM3' corresponds to the intended SOT-23 package and grade. Ensure the sourcing channel provides authentic components matching the datasheet specifications for the LM4041 series.

Voltage Reference Selection Notes

Select this component when a fixed 1.225 V reference is required in a small SOT-23 package. It is suitable for applications needing ±0.5% initial accuracy and operation up to +85°C. Consider the 12 mA maximum shunt current limit for load regulation requirements.

Voltage Reference Part Context

This component belongs to the LM4041-N precision voltage reference family. The family includes adjustable versions and other fixed voltage options like 2.5V and 4.096V in the related LM4040 series. These references are designed for high precision and low power consumption in portable and industrial electronics.