The HTCSEMI HT34118ANZ is a 28-pin DIP Audio Interface IC, fully compliant with RoHS requirements. This IC is ideal for applications that require mixing, encoding and decoding of audio signals in a system.It features four signal inputs and four output signal channels, and is designed with a digital signal processing system on chip (SoC), to offer an integrated high-performance audio processing solution optimized for minimizing audio latency time.At the heart of the HT34118ANZ is a 16-bit A/D converter upgraded from the previous 12-bit version, for improved sound quality. The device also supports both I2C and UART interfaces, allowing it to interface with industry-standard external audio codecs.The HT34118ANZ also supports a variety of audio standards, such as I2S, IEC60601-1, PCM, AC97 and S/PDIF. In addition, it also offers a variety of features such as 500mW Class-D amplifiers, adjustable gains, audio input and output mixing, and built-in power on/off, and soft mute control.