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LM139J

LM139J

Manufacturer No:

LM139J

Manufacturer:

Texas Instruments

Description:

IC COMPARATOR 4 DIFF 14CDIP

Datasheet:

Datasheet

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LM139J Specifications

  • Type
    Parameter
  • Supplier Device Package
    14-CDIP
  • Mounting Type
    Through Hole
  • Package / Case
    14-CDIP (0.300", 7.62mm)
  • Operating Temperature
    -55°C ~ 125°C
  • Hysteresis
    -
  • Propagation Delay (Max)
    -
  • CMRR, PSRR (Typ)
    -
  • Current - Quiescent (Max)
    2mA
  • Current - Output (Typ)
    20mA
  • Current - Input Bias (Max)
    0.1µA @ 1.4V
  • Voltage - Input Offset (Max)
    5mV @ 1.4V
  • Voltage - Supply, Single/Dual (±)
    2V ~ 30V, ±1V ~ 15V
  • Output Type
    Open-Collector, Open-Drain, Rail-to-Rail
  • Number of Elements
    4
  • Type
    General Purpose
  • Packaging
    Tube
  • Product Status
    Active
  • Series
    -
The LM139J is a quad differential comparator integrated circuit chip. It has several advantages and application scenarios, including:1. High precision: The LM139J 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. Quad comparator: The LM139J consists of four independent comparators in a single package. This makes it cost-effective and space-saving, as multiple comparators can be integrated into a single chip.4. Open collector outputs: The chip has open collector outputs, which can be easily interfaced with other digital or microcontroller circuits. This feature allows for flexible and versatile integration into larger systems.5. Fast response time: The LM139J has a fast response time, making it suitable for applications that require quick voltage comparisons, such as in motor control, power management, and signal conditioning circuits.6. Wide temperature range: The chip can operate over a wide temperature range, typically from -40°C to 85°C. This makes it suitable for applications in harsh environments or industrial settings.Application scenarios for the LM139J include:1. Voltage monitoring: The LM139J can be used to monitor and compare voltages in various applications, such as battery management systems, power supply monitoring, and overvoltage/undervoltage protection circuits.2. Signal conditioning: The chip can be used in signal conditioning circuits to compare and process analog signals, such as in audio amplifiers, data acquisition systems, and sensor interfaces.3. Motor control: The LM139J can be used in motor control circuits to compare feedback signals and control the speed or direction of motors.4. Window comparators: The chip can be used to implement window comparators, which are used in applications where a voltage signal needs to be compared within a specific range or window.5. Oscillators and timers: The LM139J can be used in oscillator and timer circuits, where precise voltage comparisons are required to generate accurate timing signals.Overall, the LM139J integrated circuit chip offers high precision, flexibility, and versatility in voltage comparisons, making it suitable for a wide range of applications in various industries.
LM139J Relevant information