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LM339DT - STMicroelectronics

Description: Comparator Quad +/-16/32V SOIC14 STMicroelectronics LM339DT Quad Comparator, CMOS/TTL O/P, 1.3μs +2 → +36 V 14-Pin SOIC

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LM339DT - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SO 14
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LM339DT Details

  • Manufacturer Part Number:

    LM339DT

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    ROHS COMPLIANT, PLASTIC, MICRO, SOP-14

  • Pin Count:

    14

  • Country Of Origin:

    Morocco

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    8 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    5.57

  • 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-PDSO-G14

  • JESD-609 Code:

    e3

  • Length:

    8.65 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    4

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • Output Type:

    OPEN-COLLECTOR

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Response Time-Nom:

    1300 ns

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    2.5 mA

  • Supply Voltage Limit-Max:

    32 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    NOT SPECIFIED

  • Width:

    3.9 mm

LM339DT Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the LM339DT is 640mW, which is calculated based on the package thermal resistance and the maximum junction temperature.
  • To ensure stability, it's essential to add hysteresis to the comparator circuit, which can be done by adding a small amount of positive feedback from the output to the non-inverting input. This helps to prevent oscillations and ensure a clean output signal.
  • The recommended input impedance for the LM339DT is in the range of 1kΩ to 10kΩ. This ensures that the input signal is not attenuated and the comparator operates within its specified parameters.
  • While the LM339DT can be used as an oscillator, it's not the most suitable device for this application. The LM339DT is primarily designed as a comparator, and its output stage is not optimized for oscillation. For oscillator applications, a dedicated oscillator IC or a more suitable device like the 555 timer would be a better choice.
  • To protect the LM339DT from overvoltage and ESD, it's recommended to add external protection devices such as TVS diodes or zener diodes to clamp the input voltage and prevent damage from electrostatic discharge.

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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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