The NCP2890 is an audio power amplifier designed for portable communication device applications such as mobile phone applications. The NCP2890 is capable of delivering 1.0 W of continuous average power to an 8 ohms load from a 5.0 V power supply and 320 mW to a 4 ohm load from a 2.6 V power supply. The NCP2890 provides high quality audio while requiring few external components and minimal power consumption. It