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LP311D - Texas Instruments

Description: Single, Low-Power, Strobed Differential Comparator with Open Collector and Emitter Outputs

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LP311D - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - CDCVF2505D
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LP311D Details

  • Manufacturer Part Number:

    LP311D

  • 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:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Amplifier Type:

    COMPARATOR

  • Average Bias Current-Max (IIB):

    0.15 µA

  • Bias Current-Max (IIB) @25C:

    0.1 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-EMITTER

  • 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:

    1200 ns

  • Seated Height-Max:

    1.75 mm

  • Subcategory:

    Comparator

  • Supply Current-Max:

    0.3 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

LP311D Frequently Asked Questions (FAQs)

  • A good layout practice is to keep the input and output traces separate, use a solid ground plane, and place the decoupling capacitors close to the device. Additionally, it's recommended to use a low-ESR capacitor for the output filter capacitor.
  • The output filter capacitor should be chosen based on the desired output ripple voltage and the output current. A general rule of thumb is to choose a capacitor with a capacitance value of at least 10uF and a voltage rating of at least 2x the output voltage.
  • The LP311D can handle input voltages up to 15V, but it's recommended to keep the input voltage below 12V for optimal performance and to prevent overheating.
  • The output voltage of the LP311D can be adjusted by changing the resistor divider ratio between the output pin and the ground pin. The output voltage can be calculated using the formula: Vout = 1.25 x (R1 + R2) / R2.
  • The LP311D has a thermal shutdown temperature of around 150°C. If the device temperature exceeds this value, it will shut down to prevent damage.

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LP311D 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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