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LP311P - Texas Instruments

Description: LP311P, Comparator Open Collector/Emitter 1.2μs 12 V, 15 V, 18 V, 24 V, 28 V, 5 V, 9 V 8-Pin PDIP

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LP311P - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - P (R-PDIP-T8)
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LP311P - Texas Instruments  - 3D model - Dual-In-Line Packages - P (R-PDIP-T8)
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LP311P Details

  • Manufacturer Part Number:

    LP311P

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • 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-PDIP-T8

  • JESD-609 Code:

    e4

  • Length:

    9.81 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:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Qualification Status:

    Not Qualified

  • Response Time-Nom:

    1200 ns

  • Seated Height-Max:

    5.08 mm

  • Subcategory:

    Comparator

  • Supply Current-Max:

    0.3 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

LP311P Frequently Asked Questions (FAQs)

  • It is recommended to place the LP311P close to the power source, use a solid ground plane, and keep the input and output traces separate to minimize noise. Additionally, use a low-ESR capacitor for the output filter and place it close to the LP311P.
  • To ensure stability, make sure the output capacitor is within the recommended range (10uF to 100uF), the ESR is low (< 1 ohm), and the output voltage is within the recommended range (1.2V to 15V). Also, avoid using a capacitor with high ESL (Equivalent Series Inductance).
  • The LP311P can handle up to 20V input voltage, but it is recommended to keep the input voltage below 18V to ensure reliable operation and to prevent damage to the device.
  • The output voltage of the LP311P can be calculated using the formula: Vout = (R1 / R2) * (Vin - Vref), where R1 and R2 are the resistors in the feedback network, Vin is the input voltage, and Vref is the reference voltage (1.2V for the LP311P).
  • The LP311P can provide up to 1A of output current, but it is recommended to keep the output current below 800mA to ensure reliable operation and to prevent overheating.

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LP311P 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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Part Image LM311N-N Texas Instruments

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Part Image KA311 Samsung Semiconductor

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For a full list of alternate parts for LP311P, check out Findchips.com