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LM339DT AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LM339DT product

LM339DT

Comparators

Quad ComparatorLow PowerOpen Collector

The LM339DT is a versatile, low-power quad voltage comparator suitable for general-purpose sensing and level-shifting applications.

Best for

  • General purpose voltage comparison
  • Logic level shifting
  • Battery-powered sensing

Avoid if

  • High-speed signal processing
  • Push-pull output requirements

Check before use

  • Pull-up resistor values
  • Common-mode input range

Key specifications

Channels
4
Supply Voltage
2V to 36V
Response Time
1.3 µs
Output Type
Open Collector

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
EAR99
HTSUS
8542330001.0

Application

IndustrialConsumerGeneral Purpose

Datasheet

572491.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for LM339DT: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The LM339DT is a quad voltage comparator IC from STMicroelectronics, designed for low-power operation across a wide supply voltage range.