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LF412CN - Texas Instruments

Description: J-FET Amplifier 2 Circuit 8-PDIP

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LF412CN - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - PDIP_P
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LF412CN - Texas Instruments  - 3D model - Dual-In-Line Packages - PDIP_P
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LF412CN Details

  • Manufacturer Part Number:

    LF412CN

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    PLASTIC, DIP-8

  • Pin Count:

    8

  • 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):

    0.025 µA

  • Input Offset Voltage-Max:

    3000 µV

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e0

  • Length:

    9.59 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:

    2

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    RAIL

  • Power:

    YES

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Screening Level:

    MIL-STD-883

  • Seated Height-Max:

    5.08 mm

  • Slew Rate-Min:

    8 V/us

  • Slew Rate-Nom:

    15 V/us

  • Supply Current-Max:

    6.5 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Unity Gain BW-Nom:

    4000

  • Voltage Gain-Min:

    15000

  • Wideband:

    NO

  • Width:

    7.62 mm

LF412CN Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the LF412CN 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 prevent oscillations. This is because the LF412CN has a high gain-bandwidth product and can oscillate if not properly compensated.
  • Use a star-grounding technique, where all grounds are connected to a single point, and keep the input and output traces as short as possible. Avoid running digital and analog traces parallel to each other, and use a ground plane to reduce noise and electromagnetic interference (EMI).
  • While the LF412CN can be used as a comparator, it's not the best choice due to its relatively slow slew rate (0.5V/μs) and limited output current (±20mA). A dedicated comparator like the LM339 or LM2901 would be a better choice for most applications.
  • Use ESD protection devices, such as TVS diodes or ESD arrays, on the input and output pins to protect the LF412CN from electrostatic discharge. Follow proper PCB layout and handling procedures to minimize the risk of ESD damage.

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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 LF412CN/NOPB Texas Instruments

Operational Amplifier, 2 Func, 3000uV Offset-Max, BIPolar, PDIP8