The LM239 from Xinbole is a high-performance quad voltage comparator designed for precise signal detection and monitoring in low-power analog and mixed-signal systems. Operating over a wide supply voltage range from 2V to 36V (or ±1V to ±18V), this IC integrates four independent comparators in a single package, enabling compact and cost-efficient circuit designs. Its open-collector outputs provide flexible interfacing with multiple logic families, making it ideal for industrial, automotive, and embedded electronic applications.
Built using advanced semiconductor technology, the LM239 offers fast switching response, low input offset voltage, and high noise immunity for accurate and stable signal comparison. While it does not use Schottky diode architecture, its optimized internal structure ensures efficient operation, reduced propagation delay, and reliable performance under dynamic conditions. Compared to lower-voltage comparator series, the LM239 provides significantly higher voltage tolerance and improved operating headroom, enhancing system robustness in harsh environments.
Available in both DIP and SOP package options, the LM239 supports flexible PCB integration for through-hole and surface-mount designs. This makes it highly suitable for compact, scalable, and high-density electronic systems. It is widely used in voltage level detection, window comparators, zero-crossing detection, waveform shaping, and overvoltage protection circuits. With its combination of multi-channel integration, low power consumption, and high reliability, the Xinbole LM239 is a dependable solution for modern comparator-based electronic designs.
Key Features:
- Wide supply voltage range: 2V to 36V (±1V to ±18V)
- Quad independent voltage comparators
- Open-collector outputs for flexible interfacing
- Low power consumption and high efficiency
- Fast switching response
- Low input offset voltage for accurate detection
- High noise immunity and stable performance
- Available in DIP and SOP packages
Applications:
- Voltage level detection systems
- Zero-crossing detectors
- Overvoltage and undervoltage protection
- Waveform shaping and signal processing
- Industrial automation and control systems
- Sensor interface circuits
- Battery-powered electronic devices
