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LM311D - STMicroelectronics

Description: Comparator Single +/-15/30V SOIC8 LM311D, Comparator Open Collector 0.2μs 12 V, 15 V, 18 V, 24 V, 28 V, 9 V 8-Pin SO

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LM311D - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SO-8_3
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LM311D Details

  • Manufacturer Part Number:

    LM311D

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    ROHS COMPLIANT, MICRO, PLASTIC, SOP-8

  • Pin Count:

    8

  • Country Of Origin:

    Morocco

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    8 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    5.65

  • Amplifier Type:

    COMPARATOR

  • Average Bias Current-Max (IIB):

    0.3 µA

  • Bias Current-Max (IIB) @25C:

    0.25 µA

  • Input Offset Voltage-Max:

    10000 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -18 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Output Type:

    OPEN-COLLECTOR

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Response Time-Nom:

    200 ns

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    7.5 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 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):

    30

  • Width:

    3.9 mm

LM311D 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 ensure stability, a small capacitor (typically 10-100pF) should be connected between the output and the inverting input (pin 2) to prevent oscillations. Additionally, the input signals should be properly filtered and decoupled to prevent noise and oscillations.
  • The strobe input (pin 6) is used to latch the output of the comparator. When the strobe input is low, the output is latched and will not change state, even if the input signals change. This can be useful in applications where the output needs to be held steady for a certain period of time.
  • Yes, the LM311D can be used as an oscillator, but it's not recommended as it's not designed for this purpose. The device is optimized for comparator applications, and using it as an oscillator may lead to instability and reduced performance.
  • The maximum frequency of operation for the LM311D is typically around 50 kHz, but this can vary depending on the specific application and the quality of the input signals.

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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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