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LF347DR - Texas Instruments

Description: Texas Instruments LF347DR, Quad Op Amp, 3MHz, 14-Pin SOIC

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LF347DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - 14 Ld SOIC
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LF347DR - Texas Instruments  - 3D model - Small Outline Packages - 14 Ld SOIC
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LF347DR Details

  • Manufacturer Part Number:

    LF347DR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    14

  • Country Of Origin:

    Mainland China, Mexico, Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • 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:

    TR

  • 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

LF347DR Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the LF347DR is 670mW, which is calculated based on the maximum junction temperature (TJ) of 150°C and the thermal resistance (θJA) of 125°C/W.
  • While the LF347DR is an op-amp, it can be used as a comparator in certain applications. However, it's not recommended as it's not optimized for comparator applications and may not provide the best performance. TI recommends using a dedicated comparator like the LM339 or LM2901 for comparator applications.
  • To minimize noise and oscillations, keep the input and output traces short and away from each other, use a solid ground plane, and decouple the power supply with capacitors. Also, consider using a ferrite bead or a resistor in series with the output to reduce oscillations.
  • A 0.1uF ceramic capacitor is a good starting point for decoupling the power supply of the LF347DR. However, the optimal value may vary depending on the specific application and PCB layout.
  • The LF347DR is rated for operation up to 125°C, but its performance may degrade at high temperatures. If you need to operate the device in a high-temperature environment, consider using a more temperature-stable op-amp like the OPA277 or OPA827.

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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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