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LF412MH - Texas Instruments

Description: Low Offset, Low Drift Dual JFET Input Operational Amplifier

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LF412MH - Texas Instruments PCB footprint - Other - Other - TO292P914X470-8P
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LF412MH Details

  • Manufacturer Part Number:

    LF412MH

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TO-8

  • Pin Count:

    8

  • 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):

    0.0001 µA

  • Input Offset Voltage-Max:

    1000 µV

  • JESD-30 Code:

    O-XBCY-W8

  • JESD-609 Code:

    e0

  • 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:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    TO-99

  • Package Equivalence Code:

    CAN8,.2

  • Package Shape:

    ROUND

  • Package Style:

    CYLINDRICAL

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Screening Level:

    MIL-STD-883

  • 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:

    MILITARY

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    WIRE

  • Terminal Position:

    BOTTOM

  • Unity Gain BW-Nom:

    4000

  • Voltage Gain-Min:

    15000

  • Wideband:

    NO

LF412MH Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the LF412MH is 670mW, which is calculated based on the maximum junction temperature (TJ) of 150°C and the thermal resistance (RθJA) of 125°C/W.
  • While the LF412MH is an op-amp, it can be used as a comparator in some applications. However, it's not recommended for high-speed or high-frequency comparator applications due to its limited slew rate and bandwidth. A dedicated comparator like the LM339 or LM393 would be a better choice for such applications.
  • To ensure stability, make sure to follow proper PCB layout practices, use a stable voltage supply, and add sufficient decoupling capacitors. Additionally, consider adding a compensation capacitor (e.g., 10-100pF) between the output and the inverting input to improve stability and reduce oscillations.
  • The input impedance of the LF412MH is typically around 1MΩ, but it can vary depending on the specific application and operating conditions. This is relatively high compared to other op-amps, making it suitable for high-impedance sources.
  • Yes, the LF412MH can be used in a single-supply configuration, but it's essential to ensure that the input common-mode voltage range is within the specified limits (typically VCC-1.5V to VCC+0.5V). Additionally, consider using a voltage divider or level-shifting circuit to bias the input signals appropriately.

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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 LF412MH/NOPB Texas Instruments

Operational Amplifier, 2 Func, 1000uV Offset-Max, BIPolar