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LM386N-3 Low Voltage Audio Power Amplifier DIP-8

View LM386N-3: Low Voltage Audio Power Amplifier

LM386N-3: Low Voltage Audio Power Amplifier

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National Semiconductor
Jameco Part no. 24133
Manufacturer NATIONAL SEMICONDUCTOR
Manufacturer no. LM386N-3
Catalog 151 , page 10
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LM386N-3 Low Voltage Audio Power Amplifier


The LM386 is a power amplifier designed for use in low voltage consumer applications. The gain is internally set to 20 to keep external part count low, but the addition of an external resistor and capacitor between pins 1 and 8 will increase the gain to any value from 20 to 200.

The inputs are ground referenced while the output automatically biases to one-half the supply voltage. The quiescent power drain is only 24mW when operating from a 6 volt supply, making the LM386 ideal for battery operation.

Features:
  • Battery operation
  • Minimum external parts
  • Wide supply voltage range: 4V-12V or 5V-18V
  • Low quiescent current drain: 4mA
  • Voltage gains from 20 to 200
  • Ground referenced input
  • Self-centering output quiescent voltage
  • Low distortion
  • 8-pin DIP package

    Applications:
  • AM-FM radio amplifiers
  • Portable tape player amplifiers
  • Intercoms
  • TV sound systems
  • Line drivers
  • Ultrasonic drivers
  • Small servo drivers
  • Power converters

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  • Specification Value
    FamilyLM386
    Power Supply TypeSingle
    Minimum Single Supply Voltage4V
    Output Signal TypeSingle
    Typical Single Supply Voltage5V|9V
    Maximum Single Supply Voltage12V
    Maximum Input Bias Current0.25uA(Typ)@6V
    Amplifier TypeClass-AB
    Maximum Load Resistance32Ohm
    Maximum Power Dissipation1250mW
    Maximum Quiescent Current8mA@6V
    Typical Output Power x Channels @ Load0.7Wx1@8Ohm
    Typical PSRR50dB
    Typical Quiescent Current4mA@6V
    Rail to RailNo
    Specification Value
    Total Harmonic Distortion Noise0.2%@8Ohm@125mW
    Minimum Operating Temperature0°C
    Maximum Operating Temperature70°C
    MountingThrough Hole
    PackagingRail
    Pin_Count8
    Product Height3.3mm
    Supplier_PackageMDIP
    Product TypeAudio Amplifier
    Product Width6.35mm
    Product Length9.27mm
    Typical Voltage Gain46dB
    Input Signal TypeSingle
    Output Type1-Channel Mono


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