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LF347D - Texas Instruments

Description: Texas Instruments LF347D, Quad Op Amp, 3MHz, 14-Pin SOIC

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LF347D - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G14)
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LF347D - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G14)
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LF347D Details

  • Manufacturer Part Number:

    LF347D

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Pin Count:

    14

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.0002 µA

  • Bias Current-Max (IIB) @25C:

    0.0002 µA

  • Common-mode Reject Ratio-Min:

    70 dB

  • Common-mode Reject Ratio-Nom:

    100 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.004 µA

  • Input Offset Voltage-Max:

    10000 µV

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    8.65 mm

  • Low-Bias:

    YES

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -18 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Number of Functions:

    4

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Min:

    8 V/us

  • Slew Rate-Nom:

    13 V/us

  • Subcategory:

    Operational Amplifier

  • Supply Current-Max:

    11 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    JFET

  • 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

  • Unity Gain BW-Nom:

    3000

  • Voltage Gain-Min:

    15000

  • Wideband:

    NO

  • Width:

    3.9 mm

LF347D Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the LF347D is 670mW, which is calculated based on the maximum junction temperature (150°C) and the thermal resistance (θJA) of the package.
  • To ensure stability, it's essential to follow proper layout and grounding techniques, use a low-ESR capacitor for decoupling, and consider adding a compensation capacitor (e.g., 10-100pF) between the output and the inverting input.
  • The recommended input impedance for the LF347D is between 1kΩ and 100kΩ. This range ensures optimal performance and minimizes the effects of input bias current.
  • While the LF347D can be used as a comparator, it's not the most suitable choice due to its relatively slow slew rate (13V/μs) and limited output current (±20mA). A dedicated comparator like the LM339 or LM2901 would be a better option.
  • To protect the LF347D from overvoltage, use a voltage clamp or a transient voltage suppressor (TVS) diode to limit the input voltage to the recommended maximum rating (±16.5V).

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LF347D 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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