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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
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