LM4040D10IDBZT

Overview

The LM4040D10IDBZT is a precision micropower shunt voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 10V with an initial accuracy of 1% and a maximum temperature coefficient of 150 ppm/°C. The device operates within a cathode current range of 45 μA to 15 mA and functions across an ambient temperature range of –40°C to 85°C. Packaged in a space-saving SOT-23-3 (DBZ) format, it requires no external capacitors for stability.

Feature Summary

• Provides stable reference voltage without requiring output capacitors
• Maintains low dynamic impedance and noise characteristics
• Utilizes fuse and Zener-zap reverse breakdown voltage trim during wafer sort

Applications

• Data-Acquisition Systems
• Energy Infrastructure
• Analog Input Module
• Field Transmitters
• Precision Audio

Procurement Notes

Verify the specific suffix 'I' confirms the industrial temperature range of -40°C to 85°C. Confirm the 'D' grade indicates 1% initial accuracy and 150 ppm/°C temperature coefficient. Ensure the 'DBZ' package designation matches the required SOT-23-3 footprint for your PCB layout.

Selection Notes

Select this component when a 10V shunt reference is needed with moderate precision requirements. The D-grade offers a cost-effective solution compared to A or B grades while maintaining stability across the industrial temperature range. Suitable for portable applications due to low minimum operating current.

Part Context

This part belongs to the LM4040 series of precision micropower shunt voltage references. The series includes various output voltages and accuracy grades (A, B, C, D). The 'I' suffix denotes the industrial temperature range variant, distinct from the extended temperature 'Q' grade variants available in the same family.

Replacement Considerations

LM4040D10IDBZR