The LM4863M/TR is an audio power amplifier from HGSEMI. It is designed to provide audio power for headphones, and features a low-noise preamplifier and a headphone driver which offers high efficiency, low noise, and low distortion. The device is delivered in a SOP-16 RoHS package and is ideal for driving up to two 16 O headphones. The LM4863 has a power supply range from 3.2 to 6V and has enhanced short-circuit protection, as well as thermal shutdown protection. The device includes an adjustable power-on reset circuit as well as a low-power shutdown mode. The device also features unity-gain stability and has an output power of up to 173mW at 16O.