The LM393 (also known as PJ393 or LM393N) is a widely used dual independent voltage comparator integrated circuit. It compares two input voltages and provides a digital output indicating which input is higher. With low power consumption and wide operating voltage range, it is suitable for both battery-powered and industrial applications.
This IC features open-collector outputs, making it easy to interface with TTL, CMOS, microcontrollers, and other logic circuits. The LM393 is commonly used in level detection, zero-crossing detectors, over-voltage protection, and signal conditioning circuits.
Its reliability, simplicity, and affordability make it a popular choice for students, hobbyists, and professional electronics engineers.
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Key Features
- Dual independent voltage comparators in a single IC
- Wide operating voltage range: 2V to 36V (single supply)
- Low power consumption
- Open-collector output for flexible interfacing
- High input impedance
- Compatible with TTL and CMOS logic
- DIP-8 package (LM393N variant)
Applications
- Voltage level detection
- Zero-crossing detectors
- Over-voltage and under-voltage protection circuits
- Battery monitoring systems
- Signal conditioning
- Oscillators and waveform shaping
- Microcontroller interfacing projects
Available at Microspark Store – Your Trusted Electronic Component Store! At Microspark Store, we ensure every product is quality-checked and tested before shipping, so you can buy with confidence and start building without worries.
Please Note: Product information has been collected from various sources across the web. While we have made every effort to ensure the accuracy of the information presented, slight variations may still occur. Kindly verify the specifications and compatibility before using this module in your projects.
Disclaimer: Images shown are for illustration only and may not exactly represent the final product. Minor differences may occur due to lighting, display variations, or manufacturer updates. We reserve the right to make changes to the product without prior notice.
