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LM4878ITP

LM4878ITP Description

1 Watt Audio Power Amplifier in micro SMD package with Shutdown Logic Low

LM4878ITP Description

IC Amplifier AUDIO PWR 1W MONO 8USMD

LM4878ITP Categories

Audio Power Amplifiers

LM4878ITP Manufacturer

National Semiconductor

LM4878ITP Datasheet (PDF)

LM4878ITP Datasheet

LM4878ITP Price & Availability


Check LM4878ITP Price & Availability at Canics

LM4878ITP Features

  • Internal pulldown resistor on shutdown.
  • micro SMD package (see App. note AN-1112)
  • 5V - 2V operation
  • No output coupling capacitors or bootstrap capacitors.
  • Unity-gain stable
  • External gain configuration capability

LM4878ITP Description

    The LM4878 is a bridge-connected audio power amplifier capable of delivering 1 W of continuous average power to an 8 load with less than .2% (THD) from a 5V power supply.

    Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. Since the LM4878 does not require output coupling capacitors or bootstrap capacitors. It is optimally suited for low-power portable applications.

    The LM4878 features an externally controlled, low-power consumption shutdown mode, as well as an internal thermal shutdown protection mechanism.

    The unity-gain stable LM4878 can be configured by external gain-setting resistors.

    LM4878ITP Parameters

    StatusFull production
    PackagemicroSMD
    Temperature Min (deg C)-40
    Temperature Max (deg C)85
    Pins8
    Pricing$0.70
    TypeClass AB
    Output Type1-Channel (Mono)
    FeaturesShutdown, Thermal Protection
    SNR (dB)98
    Channels (Channels)1
    PSRR (dB)65
    CategoryIntegrated Circuits (ICs)
    FamilyAmplifiers - Audio
    THD (%).10
    User Supply (Volt)2.60
    Supply Range+2.0 - +5.5 V
    PowerAtFourOhms OnePercentTHD (Watt).55
    PowerAtEightOhms OnePercentTHD (Watt).32
    PowerAtFourOhms TenPercentTHD (Watt).75
    PowerAtEightOhms TenPercentTHD (Watt).43
    THD ConditionsPo=.25 W @Vs=5V, R=8ohms, 20Hz-20kHz
    SeriesBoomer®
    Package / Case8-MicroSMD
    Voltage - Supply2 V ~ 5.5 V
    Max Output Power x Channels @ Load1W x 1 @ 8 Ohm
    Select parameters and click to see components with these parameters.

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    Keywords
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