Nuvoton NAU8810YG is a low-power, wideband monophonic audio codec that is cost-effective and suitable for voice telephony and a wide range of other audio applications. It comes in a 20-pin Quad-Flat No-leads (QFN) package.Supported functions include a 5-band Graphic Equalizer, Automatic Level Control (ALC) with noise gate, PGA, standard I2S or PCM audio interface I2S, optional PCM time slot assignment, and a full fractional-N on-chip PLL. This device includes one differential microphone input, and multiple variable gain control stages in the audio paths, a Mono headset/line-level output and a high power differential BTL speaker driver output are provided.