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CLASS AB/D Switchable Power Amplifier

XS9110A

    The XS9110A is a 25W, class AB/D mono audio amplifier. It is capable of delivering 25watts of continuous average power to a 4Ω BTL load with less than 10% distortion (THD) from a 14.4V DC power supply. It offers low THD+N, allowing it to achieve high-quality sound reproduction. The XS9110A device is fully protected against faults with short-circuit protection and thermal protection. Can prevent devices form being damaged during overload conditions. 
    The XS9110A can provide your USB subwoofer, radio, Sound bar, and loudspeaker perfect solution.
    XS9110A General Description:
        The XS9110A is a 25W, class AB/D mono audio amplifier. It is capable of delivering 25watts of continuous average power to a 4Ω BTL load with less than 10% distortion (THD) from a 14.4V DC power supply. It offers low THD+N, allowing it to achieve high-quality sound reproduction. The XS9110A device is fully protected against faults with short-circuit protection and thermal protection. Can prevent devices form being damaged during overload conditions. 
        The XS9110A features a low-power consumption shutdown mode.
        The XS9110A contains advanced pop & click circuitry which eliminates noise which would otherwise occur during turn-on and turn-off transitions. The XS9110A can be configured by external gain-setting resistors.
        The XS9110A integrates overheating protection mechanism, The XS9110A is unity-gain stable and can be configured by external gain-setting resistors.
        The XS9110A can provide your USB subwoofer, radio, Sound bar, and loudspeaker perfect solution.

    XS9110A Features:
    Fully-differential class AB/D audio power amplifier
    Available in space-saving packages: ESOP8
    25W Output Power (10% THD, 4Ω load, 14.4V)
    23.5W Output Power (10% THD, 3Ω load, 12V)
    12.5W Output Power (10% THD, 2Ω load, 7.4V)
    Wide operating voltage range: 5V~15V
    Improved pop & click circuitry eliminates noise during turn-on and turn-off transitions
    Overheating protection
    Filterless, Low Quiescent Current and Low EMI

    XS9110A Applications:
    Card inserting speaker, Bluetooth speaker
    Mini-Micro Component, Speaker Bar, Docks 
    Sound Bar
    Square Speaker 

    XS9110A lock diagram:

    XS9110A定购信息:

    Part Number

    Package Typ

    Package type

    Shipping Package(PCS)

    Note

    XS9110A

    ESOP8

    Tube assembly

    100 Units/Tube

     


    XS9110A Typical Application Circuit::

    XS9110A PCB layout  proposal: 
        In most applications, the use of magnetic bead filters can meet EMC requirements. However, the switching edge of class D power amplifier changes very quickly, so it needs to be carefully considered in the process of PCB layout. For noise and electromagnetic compatibility (EMC) requirements of the system, the following suggestions are made:
        1. The decoupling capacitor on the power supply should be as close to the ground pin of the power supply as possible. For different noise sources and corresponding power decoupling capacitors that interfere, patch positions should be reserved.
        2. The output current loop should be as small as possible. Whether it is a filter composed of magnetic beads or inductors and capacitors, it should be as close to the output pin as possible. This part of the circuit shall be as far away from sensitive signal lines (such as audio input signal lines) and circuits as possible.
        3. The ground wire and power line shall be as short as possible and the wiring shall be widened as much as possible.
        4. The heat sink should be reasonably welded in the heat dissipation area of the PCB, and copper foil should be laid in the area near the chip to strengthen the heat dissipation of the chip and PCB.

    XS9110A引脚分布图:


    XS9110A 
    Pin description (ESOP8)::

    Pin Number

    Symbol

    Description

    1

    CTRL

    Shutdown Control Input(active low), the amplifier is turned off with a low level logic signal to the CTRL pin.

    2

    NC

     

    3

    INP

    The positive phase Input

    4

    INN

    The negative phase Input

    5

    VON

    The negative phase output

    6

    VDD

    Power

    7

    GND

    Ground

    8

    VOP

    The positive phase output


     
    XS9110A Package Information:Esop8:


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