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LMV331ILT

LMV331ILT

STMicroelectronics
Comparator Standard (General Purpose) Open-Drain SOT-23-5
Active3,390 in stock
Datasheet Digi-Key Compare Prices

Overview

The LMV331ILT is a single, general-purpose low-voltage comparator featuring an open-drain output stage in a space-saving SOT-23-5 package. Designed for 2.7V to 5V operations, it offers a cost-effective solution for signal monitoring and level detection in portable electronics. Its low current consumption and 550ns propagation delay make it suitable for battery-powered systems needing efficient response times.

Why Choose This Part

The LMV331ILT provides high ESD tolerance of 2 kV HBM and 200 V MM, ensuring robustness during assembly and field use. Its open-drain output simplifies level shifting, allowing the device to interface with different logic voltage levels up to 5.5V regardless of the comparator VCC.

Applications

Battery Level Monitoring
Utilizes the low 2.7V minimum supply voltage to detect undervoltage conditions in single-cell Li-ion applications.
Window Comparators
Combined with other units, the open-drain output allows for easy wired-AND logic to detect signal ranges.
Threshold Detection
Serves as a simple interface to convert analog sensor signals into digital triggers for microcontrollers.

Key Specifications

Type Standard (General Purpose)
Output Type Open-Drain
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Number of Elements 1
Operating Temperature -40degC ~ 85degC
Current - Output (Typ) 93mA @ 5V
Propagation Delay (Max) 550ns
Supplier Device Package SOT-23-5
Current - Quiescent (Max) 150uA
Current - Input Bias (Max) 0.25uA @ 5V
Voltage - Input Offset (Max) 7mV @ 5V
Voltage - Supply, Single/Dual (+/-) 2.7V ~ 5V

Getting Started

To implement this part, provide a pull-up resistor on the output pin to the desired logic voltage level, as the open-drain stage cannot drive high on its own. Ensure a decoupling capacitor is placed close to the VCC pin (pin 5) to minimize switching noise during high-speed transitions. For prototyping, use a SOT-23-5 breakout board to interface with standard breadboards.

LMV331 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Output Type Package Current - Output (Typ) Propagation Delay (Max) Voltage - Supply, Single/Dual (+/-) Stock
LMV331ILT (this part) Open-Drain SC-74A, SOT-753 93mA 550ns 2.7V 3,390
LMV331IDCKR (Texas Instruments) Open-Collector TSSOP-5 84mA 600ns 2.7V 51,910

Also Consider

TLV3201 TITexas Instruments - Offers significantly faster propagation delays (40ns) and push-pull outputs if open-drain is not required.

Categories

Analog ICs > Comparators