LM339 Quad Comparator IC (DIP)

The LM339 Quad Comparator IC (DIP) is a versatile and widely used analog integrated circuit that contains four independent precision voltage comparators in a single package. Designed to operate over a wide voltage range, the LM339 compares input voltages and outputs a digital signal, making it highly useful in decision-making and signal-conditioning applications.

Unlike standard operational amplifiers, the LM339 is optimized for comparator functions with open-collector outputs that can interface directly with digital logic circuits. Its low power consumption and stable performance make it ideal for a wide range of electronic projects, especially for students, hobbyists, and circuit developers.

Key Features:

• Four independent voltage comparators in one IC
• Open-collector output for direct logic interfacing
• Wide operating voltage range: 2V to 36V (single supply) or ±1V to ±18V (dual supply)
• Low power consumption, suitable for portable applications
• High precision and fast response time
• Standard DIP package for easy prototyping and breadboard use

Applications:

• Voltage monitoring and level detection
• Zero-crossing detectors
• Oscillator and waveform generator circuits
• Window comparators and pulse detection
• Sensor signal interfacing
• General-purpose analog-to-digital signal comparison

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