LM4132BQ1MFT2.5

Voltage Reference Overview

The LM4132BQ1MFT2.5 is an automotive-grade precision low dropout voltage reference manufactured by Texas Instruments, belonging to the LM4132-Q1 series. It provides a fixed output voltage of 2.5 V with an initial accuracy of ±0.1%. The device operates within a junction temperature range of -40°C to +125°C and features a maximum shunt current of 20 mA. It utilizes a SOT-23-5 surface-mount package and meets AEC-Q100 qualification standards for automotive applications.

Voltage Reference Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards
• High precision performance with ±0.1% initial accuracy
• Low dropout operation in a compact SOT-23-5 package

Voltage Reference Applications

• Automotive electronic systems requiring stable voltage references
• Precision analog-to-digital converter (ADC) reference inputs
• Data acquisition systems in harsh thermal environments

Voltage Reference Procurement Notes

Verify the specific suffix 'MFT' indicates tape-and-reel packaging when ordering. Confirm that the 'Q1' designation aligns with required automotive qualification standards for your application. Ensure the 2.5V output matches system requirements. Check for RoHS compliance details on the official datasheet before finalizing procurement specifications.

Voltage Reference Selection Notes

Select this component when high accuracy and automotive durability are required in a small footprint. The ±0.1% tolerance suits precision measurement circuits. Consider the 20 mA shunt current limit for load driving capabilities. Verify input voltage headroom against the low dropout characteristics for optimal efficiency in battery-powered or regulated automotive supplies.

Voltage Reference Part Context

This part belongs to the LM4132 family of micropower shunt voltage references. The LM4132-Q1 variant specifically targets automotive electronics, offering enhanced thermal stability and reliability compared to commercial grades. It serves as a direct replacement for older National Semiconductor versions in modern automotive designs.

Voltage Reference Replacement Considerations

LM4132BQ1MFZ2.5: Same electrical specifications but in a different package configuration.