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LM139DR

LM139DR

Manufacturer No:

LM139DR

Manufacturer:

Texas Instruments

Description:

IC COMPARATOR 4 DIFF 14SOIC

Datasheet:

Datasheet

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LM139DR Specifications

  • Type
    Parameter
  • Supplier Device Package
    14-SOIC
  • Mounting Type
    Surface Mount
  • Package / Case
    14-SOIC (0.154", 3.90mm Width)
  • 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 @ 5V
  • Voltage - Input Offset (Max)
    5mV @ 30V
  • 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
    Cut Tape (CT)
  • Packaging
    Tape & Reel (TR)
  • Product Status
    Active
  • Series
    -
The LM139DR is a quad differential comparator integrated circuit chip. It has several advantages and application scenarios, including:1. High precision: The LM139DR 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 LM139DR contains four independent comparators in a single package. This feature 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 allows for flexible integration into larger systems.5. Low power consumption: The LM139DR has low power consumption, making it suitable for battery-powered applications or any scenario where power efficiency is crucial.Application scenarios for the LM139DR include:1. Voltage monitoring: The chip 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 LM139DR can be used in signal conditioning circuits to compare and process analog signals, such as in audio amplifiers, level detectors, and waveform generators.3. Motor control: The chip can be used in motor control circuits to compare feedback signals and control the direction or speed of motors.4. Window comparators: The LM139DR can be configured as a window comparator to detect when an input voltage falls within a specific range. This is useful in applications such as temperature control, level sensing, and threshold detection.5. Oscillators and timers: The chip can be used in oscillator and timer circuits to generate precise timing signals for various applications, including pulse width modulation (PWM) control, frequency generation, and timing circuits.Overall, the LM139DR integrated circuit chip offers high precision, wide supply voltage range, and multiple comparators in a compact package, making it suitable for a wide range of applications requiring voltage comparisons and signal processing.
LM139DR Relevant information