What risks should I check before replacing LMV331IDBVR?

When replacing LMV331IDBVR, verify the substitute's output type (Open-Drain is required), supply voltage range (1.8V-5.5V), and input type (Rail-to-Rail). Also check for changes in propagation delay and supply current which may affect system timing and power budget.

LMV331IDBVR Alternatives, Datasheet & Cross Reference | TI

Find the best substitutes for the LMV331IDBVR, a general-purpose SOT23-5 comparator from Texas Instruments. Review pin-compatible alternatives and functional replacements, considering key differences in output type and electrical parameters.

AI replacement insight

Electrical risklow

Key parameters are well-matched with GSV331R-TR.

Package risklow

SOT23-5 is a standard package with matching pinout.

Firmware risklow

This is an analog component with no firmware dependency.

Sourcing riskmedium

Check availability and lead times for the alternative manufacturer (Gainsil).

Can it be replaced directly?

Direct replacement for LMV331IDBVR should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

The GSV331R-TR is the most promising direct replacement path.

Main risk

The primary risk is ensuring the substitute has an Open-Drain output; many similar parts are Push-Pull, which is incompatible without circuit changes.

Recommended alternatives

A pin-compatible comparator with matching voltage, output type, and offset, but with slightly higher current and faster speed.

View details

Alternative comparison matrix

Feature / factor	LMV331IDBVR	GSV331R-TR	Compatibility / risk
Package	SOT23-5	SOT23-5	SOT23-5 — Package is identical.
Pinout	Pin-compatible	Pin-compatible	Pin-compatible — Pinout is identical based on datasheet review.
Voltage	1.8 V to 5.5 V	1.8 V to 5.5 V	1.8 V to 5.5 V — Operating voltage range is identical.
Output Type	Open-Drain	Open-Drain	Open-Drain — Output type is a match.
Current	40 µA	46 uA	46 uA — Slightly higher supply current.
Propagation Delay	120 ns	70 ns	70 ns — Significantly faster, may require timing review.
Offset Voltage	3 mV (Max)	3 mV (Max)	3 mV (Max) — Input offset voltage is identical.

Application & sourcing insights

Questions & answers

Verified drop-in options for LMV331IDBVR are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.