LM4041DIM3X-ADJ

Voltage Reference Overview

The LM4041DIM3X-ADJ is a precision micropower shunt voltage reference manufactured by Texas Instruments, which acquired National Semiconductor. It provides an adjustable reverse breakdown voltage and operates with a minimum current of 60 µA for the ADJ version. The device features a maximum operating current of 12 mA and utilizes bandgap temperature drift curvature correction to ensure stable accuracy across wide temperature ranges. It is housed in a sub-miniature SOT-23 surface-mount package.

Voltage Reference Feature Summary

• Eliminates the need for external stabilizing capacitors while ensuring stability with any capacitive load
• Uses fuse and Zener-zap reverse breakdown or reference voltage trim during wafer sort
• Bandgap reference temperature drift curvature correction ensures stable reverse breakdown voltage accuracy

Voltage Reference Applications

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

Voltage Reference Procurement Notes

Verify that the manufacturer designation reflects Texas Instruments due to the acquisition of National Semiconductor. Confirm the specific suffix indicates the adjustable voltage variant and the SOT-23 package type. Ensure the NOPB designation is present if lead-free compliance is required for the procurement specification.

Voltage Reference Selection Notes

Select this component when space-critical applications require a sub-miniature surface-mount voltage reference. Choose the adjustable version when a fixed 1.225 V output is insufficient for the circuit design requirements. Consider the low operating current suitable for power-restricted designs requiring high precision without external stabilization components.

Voltage Reference Part Context

This part belongs to the LM4041-N family of precision micropower shunt voltage references. The family includes fixed 1.225 V outputs and adjustable variants available in SC-70 and SOT-23 packages. These devices are designed for applications where saving board space and minimizing power consumption are critical design constraints.

Voltage Reference Replacement Considerations

LM4041DEM3X-1.2/NOPB: Fixed 1.225 V output; not electrically equivalent for adjustable needs.

Voltage Reference FAQ

Does the LM4041DIM3X-ADJ require an external capacitor for stability?

No, the advanced design eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load.

What is the minimum operating current for the adjustable version?

The minimum operating current is 60 µA for the LM4041-N ADJ version.