LMV393DMR2G

Overview

The LMV393DMR2G is a dual-channel general-purpose low-voltage comparator manufactured by onsemi. It operates within a supply voltage range of 2.7 V to 5 V and features an input common-mode voltage range that extends to ground. The device utilizes an open-drain output configuration, allowing for wired-OR applications. Key electrical characteristics include a typical propagation delay of 200 ns at 5 V, a maximum input bias current of 1 nA, and a quiescent current of up to 140 µA per channel at 5 V. It is housed in a Micro8 surface-mount package.

Feature Summary

• Dual-channel architecture designed for space-constrained portable applications
• Input common-mode voltage range includes ground potential
• Open-drain output stage supports wired-OR logic configurations
• Low quiescent current consumption suitable for battery-powered systems

Applications

• Battery monitors
• Notebooks and PDAs
• General purpose portable devices
• General purpose low voltage applications

Procurement Notes

Verify the specific ordering suffix 'DMR2G' corresponds to the Micro8 package and tape-and-reel shipping format as listed in the official onsemi ordering information. Confirm RoHS compliance and Pb-Free status requirements against project specifications. Ensure the operating temperature range aligns with the standard commercial grade limits defined in the datasheet recommended operating conditions.

Selection Notes

Select this component when a dual-channel comparator is required with low voltage operation between 2.7 V and 5 V. The open-drain output necessitates an external pull-up resistor for proper high-state signaling. Consider the Micro8 package dimensions if board space is limited compared to SOIC-8 alternatives. Verify input offset voltage and propagation delay requirements against the specific electrical characteristics tables for the target supply voltage.

Part Context

This part belongs to the LMV3xx series, which includes single (LMV331), dual (LMV393), and quad (LMV339) versions. These are low-voltage counterparts to the industry-standard LM339 and LM393 comparators. The series is characterized by reduced current consumption and availability in small surface-mount packages, targeting cost-effective solutions for portable electronics where power efficiency and size are primary design constraints.

Replacement Considerations

LMV393DR2G (SOIC-8 package)

FAQ

Does the input common-mode voltage range extend below ground?

Yes, the input common-mode voltage range extends to ground (0 V).

What type of output stage does the LMV393DMR2G utilize?

It features an open-drain output stage, requiring an external pull-up resistor.