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NAU88C14 - Mono Audio Codec

Description

NAU88C14 is a cost effective and low power wideband MONO audio CODEC.

It is designed for voice telephony related applications.

Functions include 5-band Graphic Equalizer, Automatic Level Control (ALC) with noise gate, PGA, standard audio interface I2S, PCM with time slot assignment, and on-chip PLL.

Features

  • voice band digital filtering. Voice band data is accepted by the audio interface (I2S). The DAC converter path includes filtering and mixing, programmable-gain amplifiers (PGA), and soft muting. The digital interfaces, 2-Wire or SPI, have independent supply voltage to allow integration into multiple supply systems. NAU88C14 operates at supply voltages from 2.5V ~ 3.6V, although the digital core can operate at voltage as low as 1.71V to save power. The NAU88C14 is specified for operation from -4.

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Datasheet preview – NAU88C14

Datasheet Details

Part number NAU88C14
Manufacturer Nuvoton
File Size 1.71 MB
Description Mono Audio Codec
Datasheet download datasheet NAU88C14 Datasheet
Additional preview pages of the NAU88C14 datasheet.

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Full PDF Text Transcription

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NAU88C14 Mono Audio Codec with Speaker Driver and Equalizer 1. GENERAL DESCRIPTION NAU88C14 is a cost effective and low power wideband MONO audio CODEC. It is designed for voice telephony related applications. Functions include 5-band Graphic Equalizer, Automatic Level Control (ALC) with noise gate, PGA, standard audio interface I2S, PCM with time slot assignment, and on-chip PLL. The device provides one differential microphone input and one single ended auxiliary input (multi-purpose). There are few variable gain control stages in the audio path. It also includes MONO line output and integrated BTL speaker driver. The analog inputs have PGA on the front end, allowing dynamic range optimization with a wide range of input sources.
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