LM339LVQDRQ1

Overview

The LM339LVQDRQ1 is an automotive-grade analog comparator featuring four independent channels in a SOIC-14 package. It operates on a single supply voltage ranging from 1.65 V to 5.5 V with a typical quiescent current of 25 uA per channel. Key electrical specifications include a maximum input offset voltage of 400 uV, input bias current of 5 pA, and propagation delay of 600 ns. The device supports rail-to-rail input and open-drain output configurations, functioning within a temperature range of -40°C to +125°C.

Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for long-term reliability
• Ultra-low power consumption suitable for battery-operated systems
• Rail-to-rail input capability allows operation near ground potential
• Open-drain outputs facilitate wired-AND logic connections

Applications

• Battery management system monitoring
• Temperature sensing circuits
• Voltage level detection
• Window comparator designs

Procurement Notes

Verify the Q suffix indicates automotive grade compliance and the D suffix specifies the SOIC-14 surface-mount package. Confirm RoHS status and ensure the operating environment aligns with the specified -40°C to +125°C temperature range. Cross-reference datasheet revisions for any parameter updates before final integration.

Selection Notes

Select this component when low supply voltage and minimal current draw are critical constraints. The low input offset voltage ensures high accuracy for small signal comparisons. Verify that the open-drain output interface matches the downstream circuit requirements, as it necessitates an external pull-up resistor for proper logic high levels.

Part Context

This part belongs to the LM339LV family, designed specifically for low-voltage applications. Unlike standard comparators, it maintains performance at voltages below 2 V. The automotive variant ensures robustness against thermal and mechanical stress common in vehicle electronics environments.

Replacement Considerations

LM339LVDRQ1: Non-automotive version with identical electrical characteristics but different qualification standards.