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LM139AJB

LM139AJB

Manufacturer No:

LM139AJB

Manufacturer:

Texas Instruments

Description:

QUAD DIFFERENTIAL COMPARATOR 14-

Datasheet:

Datasheet

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LM139AJB 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)
    300ns (Typ)
  • CMRR, PSRR (Typ)
    -
  • Current - Quiescent (Max)
    2mA
  • Current - Output (Typ)
    16mA @ 5V
  • Current - Input Bias (Max)
    0.1µA @ 5V
  • Voltage - Input Offset (Max)
    2mV @ 5V
  • 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 LM139AJB is a quad differential comparator integrated circuit chip. It has several advantages and application scenarios, including:1. High precision: The LM139AJB 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 LM139AJB consists of four independent comparators in a single package. This makes it suitable for applications that require multiple voltage comparisons, such as motor control, power supply monitoring, and signal conditioning.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 integration into larger systems.5. Wide temperature range: The LM139AJB 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 LM139AJB include:1. Voltage monitoring: The chip can be used to monitor voltage levels and trigger actions based on specific thresholds. For example, it can be used in battery management systems to detect low battery voltage and initiate charging.2. Signal conditioning: The LM139AJB can be used in signal conditioning circuits to compare and process analog signals. It can be used in audio applications, instrumentation, or data acquisition systems.3. Motor control: The chip can be used in motor control circuits to compare feedback signals and control the speed or direction of motors. It can be used in robotics, industrial automation, or automotive applications.4. Window comparators: The LM139AJB can be configured as a window comparator to detect when an input voltage falls within a specific range. This can be useful in applications such as temperature control or overvoltage protection.5. Level shifting: The chip can be used to shift voltage levels between different logic families or interface between different voltage domains. It can be used in mixed-signal systems or in communication interfaces.Overall, the LM139AJB offers high precision, flexibility, and multiple comparators in a single package, making it suitable for a wide range of applications that require voltage comparisons and signal conditioning.
LM139AJB Relevant information