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LF412CP - Texas Instruments

Description: LF412CP, Dual Operational Amplifier 3MHz, 8-Pin PDIP

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LF412CP - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - P (R-PDIP-T8)
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LF412CP - Texas Instruments  - 3D model - Dual-In-Line Packages - P (R-PDIP-T8)
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LF412CP Details

  • Manufacturer Part Number:

    LF412CP

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    8

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Date Of Intro:

    1987-11-16

  • 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:

    3000 µV

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e4

  • Length:

    9.59 mm

  • Low-Bias:

    YES

  • Low-Offset:

    NO

  • Micropower:

    NO

  • 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:

    TUBE

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Slew Rate-Min:

    8 V/us

  • Slew Rate-Nom:

    13 V/us

  • Subcategory:

    Operational Amplifier

  • Supply Current-Max:

    6.8 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    NO

  • Technology:

    JFET

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Unity Gain BW-Nom:

    3000

  • Voltage Gain-Min:

    15000

  • Wideband:

    NO

  • Width:

    7.62 mm

LF412CP Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the LF412CP is 670mW, which is calculated based on the maximum junction temperature (Tj) of 150°C and the thermal resistance (RθJA) of 125°C/W.
  • To ensure stability in a unity-gain configuration, it's recommended to add a 10-22pF capacitor between the output and the inverting input pins to prevent oscillations.
  • The recommended input impedance for the LF412CP is greater than 1kΩ to ensure optimal performance and minimize input bias current effects.
  • While the LF412CP can be used as a comparator, it's not recommended due to its relatively slow slew rate (0.5V/μs) and limited output current (±20mA). A dedicated comparator like the LM339 or LM2901 is a better choice for comparator applications.
  • To reduce noise and hum, use a well-regulated power supply, add decoupling capacitors (e.g., 0.1μF) between the power supply pins and ground, and consider adding a noise-reducing capacitor (e.g., 10nF) between the inverting input and ground.

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LF412CP Overview

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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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