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LM393 IC – (SMD Package) – Low Power Low Offset Voltage Dual Comparator IC

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Description

The LM393 features a dual comparator configuration with open-collector output, which means it can interface with higher voltage systems easily, as it can be pulled up to the desired voltage level. The low power consumption and low offset voltage make it ideal for battery-powered systems or applications that require high precision. It operates with a wide supply voltage range and can be used in single-supply or dual-supply configurations.

Features

  • Dual Comparator: Contains two independent comparators in one IC package.
  • Low Power Consumption: Designed to operate with minimal current, making it suitable for battery-powered systems.
  • Low Input Offset Voltage: Typically 50mV, minimizing error in voltage comparison, which is critical for high-precision applications.
  • Open-Collector Output: Allows for flexible interfacing with other components, especially when connecting to higher voltage circuits.
  • Wide Supply Voltage Range: Operates from 2V to 36V (single supply) or ±1V to ±18V (dual supply).
  • High Input Impedance: Ensures minimal current draw from the input signal source, ideal for high-impedance sensors.
  • Hysteresis Capability: Can be configured with positive feedback to provide hysteresis, preventing oscillation at the threshold voltage.
  • Low Output Saturation Voltage: Ensures reliable output switching.
  • Short-Circuit Protected Outputs: Offers increased durability and reliability in operation.
  • Temperature Stability: Offers stable performance across a wide temperature range, from -40°C to +125°C.

Specifications

  • Supply Voltage Range:
    • Single Supply: 2V to 36V.
    • Dual Supply: ±1V to ±18V.
  • Input Offset Voltage:
    • Typically 50mV, maximum 200mV.
  • Input Bias Current: Typically 25nA.
  • Output Voltage Swing:
    • Can swing down to 0V (low level), depending on the load resistor.
  • Power Supply Current:
    • Typically 0.4mA per comparator (low power consumption).
  • Output Type: Open collector (requires pull-up resistor for proper output).
  • Saturation Voltage:
    • Typically 0.4V at 4mA.
  • Response Time:
    • Typically 300ns for fast switching.

Note

* Product Images are shown for illustrative purposes only and may differ from actual product

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