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LF347M - Texas Instruments

Description: 4 general use op amp,LF347M 4MHz(GBP)

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LF347M - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - 14 Ld SOIC
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LF347M Details

  • Manufacturer Part Number:

    LF347M

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    PLASTIC, SOP-14

  • Pin Count:

    14

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Date Of Intro:

    1989-01-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.008 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:

    5000 µV

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e0

  • 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):

    235

  • 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:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    4000

  • Voltage Gain-Min:

    15000

  • Wideband:

    NO

  • Width:

    3.9 mm

LF347M Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the LF347M is 670mW, which is calculated based on the maximum junction temperature (150°C) and the thermal resistance (θJA) of the package.
  • To ensure stability, add a 10-22nF capacitor between the output and the inverting input (pin 2) to compensate for the internal pole. This will help to reduce oscillations and improve stability.
  • Use a star-grounding technique, where all grounds are connected to a single point. Keep the input and output traces short and away from each other to minimize noise and coupling. Use a ground plane to reduce electromagnetic interference (EMI).
  • While the LF347M can be used as a comparator, it's not the best choice due to its relatively slow slew rate (13V/μs) and limited bandwidth (4MHz). A dedicated comparator like the LM339 or LM2901 would be a better option.
  • Use ESD protection diodes (e.g., 1N4148) on the input pins to protect against electrostatic discharge. You can also add a series resistor (1kΩ-10kΩ) to limit the current and voltage during an ESD event.

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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 LF347M/NOPB National Semiconductor Corporation

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Part Image LF347M National Semiconductor Corporation

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Part Image LF347MX Texas Instruments

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