The PT2399-SN is a SOP-16 150mil Video-Audio Interface IC manufactured by Princeton. It is RoHS compliant and features a wide range of features including low power consumption, wide supply voltage operation, low harmonic distortion, high output power, and built-in protection circuitry. It is designed to interface audio and video signals such as HDMI, DisplayPort, Audio-Video interconnects, optical digital audio, and composite video. It can be used for both audio/video signal reception and transmission. It also provides hardware support for noise reduction, automatic gain control, and automatic sample rate conversion. Additionally, it can be used to bridge an analog audio signal to a digital audio signal, and vice versa.