The LM293 from STMicroelectronics is a low-power dual voltage comparator. Here are its specifications, descriptions, and features:
Specifications:
- Supply Voltage Range: 2V to 36V (single supply) or ±1V to ±18V (dual supply).
- Low Supply Current: 0.4mA (typical) per comparator, independent of supply voltage.
- Low Input Bias Current: 25nA (typical).
- Low Input Offset Current: 5nA (typical).
- Input Offset Voltage: 2mV (typical), 5mV (maximum).
- Common-Mode Input Voltage Range: Includes ground (0V).
- Differential Input Voltage Range: Equal to the supply voltage.
- Output Voltage Swing: Compatible with TTL, CMOS, and MOS logic levels.
- Output Sink Current: 6mA (minimum).
- Operating Temperature Range: -40°C to +125°C.
Descriptions:
- The LM293 is a dual independent precision voltage comparator designed for single or split-supply operation.
- It features low input offset voltage and bias current, making it suitable for precision applications.
- The device is optimized for wide voltage ranges and low power consumption.
Features:
- Wide Supply Voltage Range: Operates from 2V to 36V.
- Low Power Consumption: Ideal for battery-powered applications.
- ESD Protection: Improved immunity to electrostatic discharge.
- Open-Collector Output: Allows flexible output configurations.
- High Accuracy: Low input offset voltage and bias current.
- Industrial Temperature Range: Suitable for harsh environments.
The LM293 is commonly used in voltage monitoring, level shifting, and signal conditioning applications.