The LPA2104A is a 3W, class-D audio amplifier. 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 LPA2104A is available in SOP-8.

Applications
 

 Portable Bluetooth Speaker

 Cellular and Smart mobile phone

 Square Speaker

Features
 

     Shutdown current:<1uA

 550KHz fixed frequency switching for amplifier

 3W Output at 10% THD with a 4Ω Load and 5V VDD for amplifier

 2.3W 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 Circuit Protection

 Thermal Shutdown

 Few External Components to Save the Space and cost

 Pb-Free  Package