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LM386MX-1 - Texas Instruments

Description: TEXAS INSTRUMENTS - LM386MX-1 - IC,Audio Amplifier,SINGLE,BIPOLAR,SOP,8PIN,PLASTIC

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LM386MX-1 - Texas Instruments - PCB symbol
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LM386MX-1 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - +soic d
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LM386MX-1 Details

  • Manufacturer Part Number:

    LM386MX-1

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Bandwidth-Nom:

    300 kHz

  • Consumer IC Type:

    AUDIO AMPLIFIER

  • Gain:

    46 dB

  • Harmonic Distortion:

    10%

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e0

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Output Power-Nom:

    0.325 W

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    235

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    8 mA

  • Supply Voltage-Max (Vsup):

    12 V

  • Supply Voltage-Min (Vsup):

    4 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    20

  • Width:

    3.9 mm

LM386MX-1 Frequently Asked Questions (FAQs)

  • Texas Instruments recommends using a 10uF capacitor in parallel with a 0.1uF capacitor between the power supply pins (VCC and GND) to ensure stable operation and minimize noise.
  • The gain of the LM386MX-1 can be set using an external resistor (R1) and capacitor (C1) between pins 1 and 8. A higher gain can be achieved by increasing the value of R1 or decreasing the value of C1. However, be careful not to exceed the maximum gain of 200 to avoid oscillation.
  • The maximum power output of the LM386MX-1 is 1W into a 4Ω load, but this can be increased to 2W with an external heat sink. However, be careful not to exceed the maximum junction temperature of 150°C to avoid damaging the device.
  • To reduce noise and hum, ensure that the power supply is well-regulated and decoupled, use a low-noise voltage regulator if necessary, and keep the audio signal paths as short as possible. Additionally, consider using a noise-reducing capacitor (e.g. 10nF) between the output pin (5) and GND.
  • Yes, the LM386MX-1 can be used as a headphone amplifier, but be aware that it is not designed to drive low-impedance headphones (< 32Ω). For low-impedance headphones, consider using a dedicated headphone amplifier IC or adding an external output stage to the LM386MX-1.

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LM386MX-1 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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LM386MX-1 Alternates

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Part Image LM386MX-1/NOPB Texas Instruments

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