Description
The LM393 Dual Voltage Comparator IC consists of two independent low-power voltage comparators designed to operate over a wide range of supply voltages. It is optimized for single-supply operation but can also function with dual power supplies, making it highly versatile for various analog and digital applications.
Key Features
- Dual independent voltage comparators
- Wide supply voltage range (single or dual supply)
- Low power consumption (approx. 0.4mA)
- Input common-mode includes ground (negative rail)
- Low input bias current
- Low output saturation voltage
- Compatible with TTL, CMOS, MOS, and ECL logic
- High reliability and stable performance
Technical Specification
- IC Type: Dual Voltage Comparator
- Model: LM393
- Supply Voltage (Single): 2V – 36V
- Supply Voltage (Dual): ±1V – ±18V
- Supply Current: ~0.4mA
- Input Bias Current: 25nA (typical)
- Input Offset Current: ±5nA (typical)
- Output Type: Open Collector
- Output Saturation Voltage: ~250mV
- Operating Temperature: (Specify if needed)
- Package Type: DIP / SMD (depending on version)
Application
- Voltage level detection
- Sensor signal comparison
- Battery level monitoring
- Zero-crossing detectors
- Oscillators and waveform generators
- Industrial and automotive systems
- Embedded and analog circuits
- DIY electronics projects
Datasheet: For detailed technical information, refer to the LM2903 datasheet.





