The LM339 from Xinbole is a high-precision quad voltage comparator designed for low-power analog signal detection and monitoring applications. Operating across a wide supply voltage range from 2V to 36V (or ±1V to ±18V), this device integrates four independent comparators with open-collector outputs, allowing easy interfacing with different logic levels and system architectures. Its ultra-low power consumption ensures efficient operation with minimal thermal dissipation, making it suitable for energy-sensitive and compact electronic designs.
Built using advanced semiconductor technology, the LM339 delivers fast response switching, low input offset voltage, and high noise immunity for reliable signal comparison. Although it does not rely on Schottky rectifier technology, its internal design ensures efficient switching behavior and stable threshold detection under varying conditions. Compared to lower-voltage comparator series, the LM339 offers a significantly higher voltage tolerance and wider operating range, improving system robustness and flexibility in industrial and automotive environments.
Available in both DIP and SOP packages, the LM339 supports easy integration into through-hole and surface-mount PCB layouts. This flexibility makes it ideal for applications such as voltage level detection, window comparators, zero-crossing detectors, and overvoltage protection systems. With its proven reliability, low power design, and strong performance stability, the Xinbole LM339 is a dependable solution for modern analog and mixed-signal electronic systems.
Key Features:
- Wide supply voltage range: 2V to 36V (±1V to ±18V)
- Quad independent voltage comparators
- Open-collector output structure for flexible design
- Low power consumption and high efficiency
- Fast response switching performance
- Low input offset voltage for accurate detection
- High noise immunity and stable operation
- Available in DIP and SOP packages
Applications:
- Voltage level detection circuits
- Window and threshold comparators
- Zero-crossing detection systems
- Overvoltage and undervoltage protection
- Signal conditioning and waveform shaping
- Industrial automation and control systems
- Battery-powered electronic devices
