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  2. Service Hotline: 135-4419-0649

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    Audio amplifier series

    LPA2172

    General Description
    The LPA2172 is a 5.2W, class-F mono audio amplifier integrated Class AB/D optional mode. It is capable of delivering 5.2watts of continuous average power to a 2Ω BTL load with less than 10% distortion (THD) from a 5V DC power supply. It offers low THD+N, allowing it to achieve high-quality Power Supply sound reproduction. The new filterless architecture allows the device to drive the speaker directly requiring no low-pass output filters, thus to save the system cost and PCB area. The LPA2172 is available in ESOP-8.
      Features
      ?Shutdown current:<0.5uA
      ?600KHz fixed frequency switching for amplifier
      ?5.2W Output at 10% THD with a 2 Ω Load and 5V VDD for amplifier
      ?4.2W Output at 1% THD with a 2 Ω Load and 5V VDD for amplifier
      ?3.2W Output at 10% THD with a 4 Ω Load and 5V VDD for amplifier
      ?Short Circuit Protection
      ?Filterless,Low Quiescent Current and Low EMI
      ?Amplifier Efficiency up to 90%
      ?Free LC filter digital modulation, direct-drive speakers
      ?Thermal Shutdown
      ?Few External Components to Save the Space and cost
      ?Pb-Free Package
      Please submit your basic information, we will contact you as soon as possible!

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