NAU8810

NAU8810 Differential/Mono Audio Codec with 2-wire Interface Control Interface emPowerAudio™ 1. GENERAL DESCRIPTION The NAU8810 a cost effective low power wideband Monophonic audio CODEC. It is suitable for a wide range of audio applications, including voice telephony. Supported functions include a 5-band Graphic Equalizer, Automatic Level Control (ALC) with noise gate, PGA, standard I2S or PCM audio interface, 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. Both a Mono headset/line-level output and a high power differential BTL speaker driver output are provided. The analog input path includes a PGA enabling dynamic range optimization of a wide range of input sources with programmable gain from -12dB to +35.25dB. In addition to a digital high pass filter to remove DC offset voltages, the ADC also features programmable voice band digital filteri...