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LM393N

LM393N

Manufacturer No:

LM393N

Manufacturer:

Fairchild Semiconductor

Description:

IC COMPARATOR 2 GEN PUR 8DIP

Datasheet:

Datasheet

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LM393N Specifications

  • Type
    Parameter
  • Supplier Device Package
    8-PDIP
  • Mounting Type
    Through Hole
  • Package / Case
    8-DIP (0.300", 7.62mm)
  • Operating Temperature
    0°C ~ 70°C
  • Hysteresis
    10mV
  • Propagation Delay (Max)
    -
  • CMRR, PSRR (Typ)
    -
  • Current - Quiescent (Max)
    2.5mA
  • Current - Output (Typ)
    16mA @ 5V
  • Current - Input Bias (Max)
    0.25µA @ 5V
  • Voltage - Input Offset (Max)
    5mV @ 30V
  • Voltage - Supply, Single/Dual (±)
    2V ~ 36V, ±1V ~ 18V
  • Output Type
    Open-Collector, Rail-to-Rail
  • Number of Elements
    2
  • Type
    General Purpose
  • Packaging
    Bulk
  • Product Status
    Active
  • Series
    -
The LM393N is a dual differential comparator integrated circuit chip. It has several advantages and application scenarios, including:1. Wide supply voltage range: The LM393N can operate with a wide range of supply voltages, typically from 2V to 36V. This makes it suitable for various applications where different voltage levels are required.2. Low power consumption: The chip has a low quiescent current of around 0.8mA, making it suitable for battery-powered applications or situations where power efficiency is crucial.3. High input impedance: The LM393N has a high input impedance, which means it can interface easily with different sensors or signal sources without significantly affecting the original signal.4. Wide temperature range: It can operate in a wide temperature range, typically from -40°C to 85°C, making it suitable for applications in harsh environments.5. Open collector outputs: The chip has open collector outputs, which allows for easy interfacing with other digital circuits or microcontrollers.Application scenarios of LM393N include:1. Voltage level detection: The LM393N can be used to compare two voltage levels and provide a digital output based on the comparison. This makes it suitable for applications such as overvoltage or undervoltage protection circuits.2. Light and proximity sensing: The LM393N can be used with a photodiode or phototransistor to detect light levels or proximity. It is commonly used in applications such as automatic lighting control, object detection, or line following robots.3. Speed and RPM measurement: By using the LM393N with a sensor such as an optical encoder or a Hall effect sensor, it can be used to measure the speed or RPM of rotating objects. This is useful in applications such as motor control or speed monitoring.4. Temperature sensing: The LM393N can be used with a temperature sensor, such as a thermistor or a temperature IC, to measure temperature and provide a digital output based on a predefined threshold. This is commonly used in temperature monitoring or control systems.5. Window comparators: The LM393N can be configured as a window comparator, where it compares an input signal against two reference voltages. This is useful in applications such as voltage monitoring, where an alarm or action is triggered when the input signal falls outside a predefined range.Overall, the LM393N is a versatile integrated circuit chip with various advantages and can be applied in a wide range of electronic circuits and systems.
LM393N Relevant information