LPA2154 - Lowpowersemi

LPA2154 Filterless 2 x 8W Class-F Stereo Audio Amplifier

The LPA2154 is a 2×8W, 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 LPA2154 is avail.

Features

 500KHz fixed frequency switching for amplifier  2×3.3W Output at 10% THD with a 4Ω Load and 5V PVDD for amplifier  2×4.8W Output at 10% THD with a 4Ω Load and 6.0V PVDD for amplifier  2×8W Output at 10% THD with a 2Ω Load and 6.0V PVDD for amplifier  Filterless, Low Quiescent Current and Low EMI  Amplifier Efficiency up to 85%  Free LC filter digital modulation, direct-drive speakers  Short Circuit Prote.