lm293 comparator

The LM293 is a dual comparator IC designed for applications that require precise and reliable voltage comparison. Manufactured by Texas Instruments, this device offers high-speed operation, low power consumption, and a wide range of input voltages, making it suitable for both commercial and industrial applications. The LM293 features two independent voltage comparators that can operate from a single or dual power supply and can be used in a variety of analog circuit designs, including signal detection, voltage monitoring, and threshold detection.

Key Features:

• Comparator Type: Dual voltage comparator
• Supply Voltage Range: 2V to 36V (single supply) or ±1V to ±18V (dual supply)
• Low Power Consumption: Ideal for battery-operated devices
• Wide Input Voltage Range: Can handle inputs from ground to Vcc-2V
• Low Input Offset Voltage: Ensures accurate voltage comparison
• Fast Response Time: High-speed operation for quick signal detection
• Output: Open-collector output for easy interfacing with logic circuits
• Package Types: Available in various packages including SOIC, PDIP, and TSSOP

Technical Specifications:

• Supply Voltage: 2V to 36V (single supply), ±1V to ±18V (dual supply)
• Input Offset Voltage: 2mV (typical)
• Input Bias Current: 25nA (typical)
• Response Time: 1.3µs (typical)
• Output Current: Up to 16mA
• Operating Temperature Range: -25°C to +85°C
• Package Types: 8-pin SOIC, 8-pin PDIP, 8-pin TSSOP

Applications:

• Signal Detection: Used in circuits for detecting specific signal levels.
• Voltage Monitoring: Monitors voltage levels in power supplies and battery systems.
• Threshold Detection: Implements threshold detection in various control systems.
• Analog-to-Digital Converters (ADCs): Provides voltage comparison for ADC circuits.
• Oscillators and Timers: Utilized in generating precise timing and oscillation signals.
• Industrial Control Systems: Suitable for use in industrial environments requiring robust voltage comparison.

Datasheet:
For detailed technical information, refer to the LM293 Comparator Datasheet.