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LP311DR - Texas Instruments

Description: Texas Instruments LP311DR Comparator, Open Collector/Emitter O/P, 1.2μs 5 → 28 V 8-Pin SOIC

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LP311DR - Texas Instruments - PCB symbol
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PCB Footprints
LP311DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D(R-PDSO-G)
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3D Models
LP311DR - Texas Instruments - 3D model - Small Outline Packages - D(R-PDSO-G)
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LP311DR Details

  • Manufacturer Part Number:

    LP311DR

  • 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:

    TR

  • 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

LP311DR Frequently Asked Questions (FAQs)

  • It's recommended to place the LP311DR close to the power entry point, with the input capacitors as close as possible to the device. The output capacitors should be placed close to the output pins. A solid ground plane is also recommended to reduce noise and improve performance.
  • To ensure stability, make sure to follow the recommended layout and placement guidelines. Additionally, ensure that the input and output capacitors are of high quality and have low ESR. A minimum of 10uF input capacitance and 22uF output capacitance is recommended. Also, avoid using long traces and minimize the distance between the LP311DR and the capacitors.
  • The LP311DR can handle a maximum input voltage of 18V. However, it's recommended to operate the device within the specified input voltage range of 7V to 15V for optimal performance and reliability.
  • The LP311DR is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It's recommended to operate the device within the specified temperature range of -40°C to 125°C for optimal performance and reliability.
  • The output voltage of the LP311DR can be calculated using the following formula: Vout = (1 + R2/R1) * Vref, where R1 and R2 are the feedback resistors, and Vref is the internal reference voltage (1.24V).

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LP311DR 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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