LM4132CQ1MFT2.5

Voltage Reference Overview

The LM4132CQ1MFT2.5 is an automotive-grade precision low dropout voltage reference manufactured by Texas Instruments. It provides a fixed output voltage of 2.5 V with an initial accuracy of ±0.2%. The device operates within a temperature range of -40°C to +125°C and features a temperature coefficient of 20 ppm/°C. It supports a maximum input voltage of 5.5 V and delivers a maximum shunt current of 20 mA. The component is housed in a SOT-23-5 package and holds AEC-Q100 qualification for automotive applications.

Voltage Reference Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards
• High precision performance with ±0.2% initial accuracy
• Low temperature drift characterized at 20 ppm/°C
• Compact surface-mount design in a SOT-23-5 package

Voltage Reference Applications

• Automotive data acquisition systems
• Precision analog-to-digital converter references
• Battery management system monitoring circuits

Voltage Reference Procurement Notes

Verify the specific suffix 'CQ1MFT' against the official Texas Instruments datasheet to confirm the 2.5 V output, ±0.2% accuracy grade, and tape-and-reel packaging configuration. Ensure the component meets the required AEC-Q100 automotive qualification level before integration into production designs.

Voltage Reference Selection Notes

Select this component when designing for automotive environments requiring high stability over wide temperature variations. The low dropout characteristic allows operation from supply voltages close to the output level. Verify that the 20 mA load capability meets the reference drive requirements of the downstream circuitry.

Voltage Reference Part Context

This part belongs to the LM4132 family of micropower series voltage references. The family offers various fixed output voltages and accuracy grades within the same compact footprint. The 'Q1' designation indicates compliance with automotive quality and reliability standards, distinguishing it from commercial variants.

Voltage Reference Replacement Considerations

Direct substitutes include other LM4132 variants with matching voltage and accuracy, such as LM4132DQ1MFT2.5 or LM4132BQ1MFT2.5, provided the temperature coefficient and package type are compatible.