LM339 IC | LM339 Op amp | LM339 Comparator | High / Low Voltage Cutoff Circuit

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The LM339 is a widely used comparator integrated circuit (IC) manufactured by various semiconductor companies. It belongs to the family of voltage comparators and is known for its versatility, reliability, and ease of use. Developed by Texas Instruments, the LM339 operates on a single or dual power supply ranging from 2 to 36 volts. With four independent comparators in a single package, it offers flexibility for a variety of applications.

Each comparator within the LM339 can be independently configured to suit different voltage threshold requirements, making it suitable for tasks such as level detection, waveform shaping, pulse-width modulation, and more. The LM339 features an open-collector output, enabling easy interface with other digital circuits or devices. It is capable of driving loads directly and can withstand significant overvoltage conditions.

With its low input offset voltage and low input bias current, the LM339 ensures accurate comparison of input signals. Its compact design, low cost, and wide operating temperature range further enhance its appeal across diverse electronic projects, ranging from automotive systems to industrial control applications.
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Chapters:

0:00 - Intro
0:10 - LM339 IC Description
0:34 - LM339 Pin Configuration
1:30 - LM339 IC Features
2:01 - High/Low Voltage Cutoff Circuit:Voltage Range: 165-275VAC

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