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LM311DR - Texas Instruments

Description: LM311DR, Comparator Open Collector/Emitter 0.165????s 12 V, 15 V, 18 V, 24 V, 28 V, 5 V, 9 V 8-Pin SOIC

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LM311DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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LM311DR Details

  • Manufacturer Part Number:

    LM311DR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Malaysia, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Amplifier Type:

    COMPARATOR

  • Average Bias Current-Max (IIB):

    0.3 µA

  • Bias Current-Max (IIB) @25C:

    0.25 µA

  • Input Offset Voltage-Max:

    7500 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • 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; OPEN-DRAIN

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Response Time-Nom:

    115 ns

  • Seated Height-Max:

    1.75 mm

  • Subcategory:

    Comparator

  • 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:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

LM311DR Frequently Asked Questions (FAQs)

  • The maximum voltage that can be applied to the input pins is ±30V, but it's recommended to keep it within the supply voltage range to ensure proper operation.
  • To prevent oscillation, add a small capacitor (e.g., 10nF) between the output and the negative supply pin, and a small resistor (e.g., 1kΩ) between the output and the input pins.
  • The minimum input voltage required is 2V, but it's recommended to use a minimum of 4V to ensure proper operation and to minimize errors.
  • No, the LM311DR is a comparator, not an amplifier. It's designed to compare two input voltages and output a digital signal, not to amplify a signal.
  • The pull-up resistor value depends on the load current and the desired output voltage. A general rule of thumb is to use a value between 1kΩ and 10kΩ, but it's recommended to consult the datasheet and perform calculations based on the specific application.

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LM311DR Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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