TL331QDBVRQ1

Comparators Overview

The TL331QDBVRQ1 is an automotive-grade single analog comparator manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 36 V and features a differential input type with CMOS and TTL compatible outputs. The device exhibits a propagation delay of 1000 ns and draws a typical operating supply current of 275 uA. Key electrical specifications include a maximum input offset voltage of 2.5 mV, an input bias current of 25 nA, and an output current capability of 18 mA per channel. It is housed in a SOT-23-5 package and supports an extended operating temperature range from -40°C to +125°C.

Comparators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments.
• Wide single-supply voltage operation supporting systems ranging from low-voltage to high-voltage applications.
• Differential input configuration ensures accurate signal comparison against reference thresholds.

Comparators Applications

• Automotive sensor interface circuits requiring precise threshold detection.
• Voltage monitoring systems within vehicle electronic control units.
• General-purpose signal conditioning in automotive-grade embedded designs.

Comparators Procurement Notes

Verify the specific suffix QDBVRQ1 matches the required automotive grade and package variant. Confirm that the AEC-Q100 qualification aligns with your project's reliability requirements. Ensure the SOT-23-5 footprint is compatible with your PCB layout constraints. Cross-reference the datasheet revision date to ensure all electrical parameters meet current design specifications before finalizing procurement.

Comparators Selection Notes

Select this component when a single-channel comparator with automotive certification is required. It is suitable for applications needing wide supply voltage tolerance and low power consumption. Consider the 1000 ns propagation delay for timing-sensitive designs. The SOT-23-5 package offers a compact solution for space-constrained automotive boards compared to larger packages.

Comparators Part Context

This part belongs to the TL331B-Q1 family of single comparators designed specifically for automotive electronics. It shares functional similarities with other members of the series but is distinguished by its specific packaging and automotive qualification status. The device serves as a fundamental building block for threshold detection in complex automotive subsystems.

Comparators Replacement Considerations

The TL391BQDBVRQ1 is documented as a parameter-equivalent substitute. Verify pinout compatibility and electrical specification alignment before swapping components in existing designs.

Comparators FAQ

What is the maximum supply voltage for the TL331QDBVRQ1?

The maximum supply voltage is 36 V.

Does the TL331QDBVRQ1 support shutdown mode?

No, the device does not have a shutdown feature.