LPA2173

Preliminary Datasheet LPA2173 8W Mono Class- F Audio Amplifier With EQ Function General Description Features The LPA2173 is a 8W, class-F audio amplifier with a mode pin for switch the work mode. 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 LPA2173 is available in ESOP-8. Order Information LPA2173 □ □ □ F: Pb-Free Package Type SP: ESOP-8  Shutdown current:<3uA  500KHz fixed frequency switching for amplifier  8W Output at 10% THD with a 2Ω Load and 6.0V VDD for amplifier  3.4W Output at 10% THD with a 4Ω Load and 5V VDD for amplifier  2.7W Output at 1% THD with a 4Ω Load and 5V VDD for amplifier  Filterless, Low Quiescent Current and Low EMI  Amplifier Efficiency up to 85%  Free LC filter digital modulation, direct-drive speakers  Short Ci...