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LF347D - STMicroelectronics

Description: Low input current (200pA), high slew rate (16V/us) 36V JFET Op-Amps, quad

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LF347D - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - 14 PINS - PLASTIC MICROPACKAGE (SO)
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LF347D - STMicroelectronics  - 3D model - Small Outline Packages - 14 PINS - PLASTIC MICROPACKAGE (SO)
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LF347D Details

  • Manufacturer Part Number:

    LF347D

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    MICRO, PLASTIC, SO-14

  • Pin Count:

    14

  • Country Of Origin:

    Morocco

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Factory Lead Time:

    10 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    4.15

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.02 µA

  • Bias Current-Max (IIB) @25C:

    0.0002 µA

  • Common-mode Reject Ratio-Min:

    70 dB

  • Common-mode Reject Ratio-Nom:

    86 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.004 µA

  • Input Offset Voltage-Max:

    13000 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:

    14

  • Number of Terminals:

    4

  • 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:

    12 V/us

  • Slew Rate-Nom:

    16 V/us

  • Supply Current-Max:

    10.8 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

  • Unity Gain BW-Nom:

    4000

  • Voltage Gain-Min:

    25000

  • 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 (125°C/W) specified in the datasheet.
  • To ensure stability in a unity-gain buffer configuration, it's recommended to add a 10-22nF capacitor in parallel with a 1kΩ resistor between the output and the inverting input. This helps to reduce the phase shift and prevent oscillations.
  • For optimal performance, it's recommended to use a star-grounding technique, where the grounds of the power supplies, analog circuits, and digital circuits are connected at a single point. Additionally, keep the input and output traces short and symmetrical, and avoid running digital traces near the analog circuits.
  • 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 bandwidth (4.5MHz). A dedicated comparator like the LM339 or LM2901 would be a better choice for most applications.
  • To protect the LF347D from electrostatic discharge (ESD), it's recommended to use ESD protection diodes (e.g., 1N4148) on the input pins, and to follow proper handling and storage procedures to prevent ESD damage.

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LF347D Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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