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NJM2776 Series
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
    Consumer
    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))
    Download Datasheet

    Protections / Functions

    Stand-by Mute Fine Tune Sensitivity
    Functional Description
  • Technical
    Documents
  • Quality &
    Packages
    Product Name Compatibility Package Marking Reliability
    NJM2776RB2
    • gradeConsumer
    		 MSOP10(TVSP10) - NJM-1-s-fr
    • Refer to the datasheets for the details on the product.
    • The package file or the datasheet includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.
  • Sample / Buy
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Functional Description

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Category:Audio Amplifiers

Sub Ctegory Power Amp./ Headphone Amp.
Channel(ch) 2
Supply Voltage
min(V)		 1.8
Supply Voltage
max(V)		 4.5
Output Power
Po typ		 8.5mW