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LM139N - STMicroelectronics

Description: Low-power quad voltage comparators

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LM139N - STMicroelectronics PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - DIP14
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LM139N - STMicroelectronics  - 3D model - Dual-In-Line Packages - DIP14
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LM139N Details

  • Manufacturer Part Number:

    LM139N

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    ROHS COMPLIANT, PLASTIC, DIP-14

  • Pin Count:

    14

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Amplifier Type:

    COMPARATOR

  • Average Bias Current-Max (IIB):

    0.4 µA

  • Bias Current-Max (IIB) @25C:

    0.25 µA

  • Input Offset Voltage-Max:

    9000 µV

  • JESD-30 Code:

    R-PDIP-T14

  • JESD-609 Code:

    e4

  • Length:

    19.05 mm

  • Number of Functions:

    4

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Type:

    OPEN-COLLECTOR

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP14,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Qualification Status:

    Not Qualified

  • Response Time-Nom:

    1300 ns

  • Seated Height-Max:

    5.33 mm

  • Supply Current-Max:

    2 mA

  • Supply Voltage Limit-Max:

    32 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

LM139N Frequently Asked Questions (FAQs)

  • The maximum voltage that can be applied to the input pins is the supply voltage (VCC) + 0.3V. Exceeding this voltage can cause damage to the device.
  • To prevent oscillation, add a small hysteresis (typically 1-10mV) to the input signal or use a Schmitt trigger configuration. This helps to ensure a clean transition between the high and low output states.
  • The minimum input impedance required is typically around 10kΩ. If the input impedance is too low, it may affect the comparator's accuracy and stability.
  • No, the LM139N is a comparator, not an amplifier or op-amp. It is designed to provide a digital output based on the comparison of two input voltages, not to amplify signals.
  • The pull-up resistor value depends on the load current and the desired output voltage. A general rule of thumb is to choose a value between 1kΩ and 10kΩ. A higher value reduces power consumption but increases the output rise time.

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LM139N Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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