LM4041QDIM3-1.2/NO

Voltage Reference Overview

The LM4041QDIM3-1.2/NO is a micropower shunt voltage reference providing a fixed 1.225 V output. It features an initial accuracy of ±0.5% and a maximum temperature coefficient of 150 ppm/°C. The device operates with a minimum current of 60 µA and a maximum cathode current of 12 mA. It is designed for stability with any capacitive load without requiring external stabilizing capacitors. The component supports an extended industrial temperature range from -40°C to +125°C and is housed in a SOT-23 (SC-59) surface-mount package.

Voltage Reference Feature Summary

• Provides stable reverse breakdown voltage across wide operating temperatures and currents
• Ensures stability with any capacitive load without external capacitors
• Utilizes fuse and Zener-zap reverse breakdown trim during wafer sort for precision
• Offers low dynamic impedance and low noise characteristics

Voltage Reference Applications

• Portable applications requiring space-saving designs
• Battery-powered systems due to low operating current
• Precision measurement circuits requiring stable references
• Data acquisition systems

Voltage Reference Procurement Notes

Verify the suffix 'Q' indicates AEC-Q100 qualification status as per Texas Instruments documentation. Confirm the 'DIM3' designation corresponds to the SOT-23-3 package variant. Ensure the '/NO' suffix aligns with specific ordering or environmental compliance requirements defined in the official datasheet before final procurement decisions.

Voltage Reference Selection Notes

Select this component when an extended temperature range up to 125°C is required alongside high precision. The 1.225 V output is suitable for low-voltage reference needs. Consider the 150 ppm/°C temperature coefficient for applications where tighter drift specifications are not critical, balancing cost against performance requirements compared to lower tolerance grades.

Voltage Reference Part Context

This part belongs to the LM4041-N family of precision micro-power shunt voltage references. The series includes both fixed and adjustable versions available in SC-70 and SOT-23 packages. The LM4041-N design eliminates the need for external stabilizing capacitors, simplifying circuit layout while maintaining stability across various load conditions.

Voltage Reference Replacement Considerations

LM4041CIM3-1.2/NOPB: Offers similar electrical characteristics but may differ in temperature grade or initial accuracy tolerance levels.

Voltage Reference FAQ

Does the LM4041QDIM3-1.2/NO require an external capacitor for stability?

No, the advanced design ensures stability with any capacitive load without the need for an external stabilizing capacitor.

What is the typical output noise specification for this device?

The device exhibits a typical output noise of 20µVRMS in the 0.1Hz to 10Hz frequency range.