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LM239J

LM239J

Manufacturer No:

LM239J

Manufacturer:

National Semiconductor

Description:

IC COMPARATOR 4 GEN PUR 14CDIP

Datasheet:

Datasheet

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LM239J Specifications

  • Type
    Parameter
  • Supplier Device Package
    14-CDIP
  • Mounting Type
    Through Hole
  • Package / Case
    14-CDIP (0.300", 7.62mm)
  • Operating Temperature
    -25°C ~ 85°C
  • Hysteresis
    -
  • 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
    CMOS, DTL, ECL, MOS, Open-Collector, TTL
  • Number of Elements
    4
  • Type
    General Purpose
  • Packaging
    Bulk
  • Product Status
    Active
  • Series
    -
The LM239J is a quad differential comparator integrated circuit chip. It has several advantages and application scenarios, including:1. High precision: The LM239J offers high accuracy and precision in comparing analog voltages. It has a low input offset voltage and low input bias current, making it suitable for applications that require precise voltage comparisons.2. Wide supply voltage range: The chip operates over a wide supply voltage range, typically from 2V to 36V. This flexibility allows it to be used in various power supply configurations.3. Low power consumption: The LM239J consumes very low power, making it suitable for battery-powered applications or situations where power efficiency is crucial.4. Quad comparator: The chip contains four independent comparators in a single package. This feature allows multiple voltage comparisons to be performed simultaneously, saving board space and reducing component count.5. Open collector outputs: The LM239J has open collector outputs, which can be easily interfaced with other digital or microcontroller circuits. This makes it suitable for applications that require digital signal processing or control.Application scenarios for the LM239J include:1. Voltage monitoring: The LM239J can be used to monitor and compare voltages in various applications, such as battery voltage monitoring, overvoltage protection, or voltage level detection.2. Signal conditioning: The chip can be used in signal conditioning circuits to compare and process analog signals, such as in audio amplifiers, motor control systems, or sensor interfaces.3. Window comparators: The LM239J can be configured as a window comparator to detect if an input voltage falls within a specific range. This is useful in applications like temperature control, level sensing, or threshold detection.4. Oscillators and timers: The chip can be used in oscillator or timer circuits to generate precise timing signals or trigger events based on voltage comparisons.5. Logic level conversion: The open collector outputs of the LM239J can be used for logic level conversion between different voltage domains, enabling compatibility between different digital systems.Overall, the LM239J is a versatile integrated circuit chip that offers high precision, low power consumption, and multiple comparators in a single package. Its wide range of applications makes it suitable for various voltage comparison and signal processing scenarios.
LM239J Relevant information