Headphone Amplifier for Portable Audio

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  • Description

    The NJM2776 is a low voltage headphone amplifier for portable audio applications. The NJM2776 operates directly for one battery supply with independent power supply terminals (V+1 and V+2). Also it provides shock-noise less standby mode. The NJM2776 is suitable for portable MD,portable CD and others.

  • Spec
    Supply Voltage 1.8V(V+1) ~ 4.5V
    0.9V(V+2) ~ 4.5V
    Channel 2ch.
    Output Power / Po Typ. 8.5mW
    Output Power / V+ 2.3V
    Output Power / RL 16 ohm
    Stand-by Yes
    Mute Yes
    Operating Current IICC4(V+1 side)=200µA typ. (V+1=2.3V,V+2=1.2V,No signal)
    IICC3(V+2 side)=350µA typ. (V+1=2.3V,V+2=1.2V,No signal))
    Wide Operating Temperature -20°C to 75°C
    Junction Temp. 125°C
    Package MSOP10(TVSP10)
    Features Low Voltage Operation
    Note 1 Supply Current in Standby mode
    (ICC2(V+1 side)=25µA typ. (V+1=2.3V,V+2=1.2V)
    ICC1(V+2 side)=6µA typ. (V+1=2.3V,V+2=1.2V))
  • Technical
  • Quality &
    • Refer to the datasheets for the details on the product.
    • The package file includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.
    • Please contact us or our distributors for unpublished reliability information.

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Functional Description

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