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NAU8811 - Mono Audio Codec

Description

The NAU8811 is a cost effective and low power wideband MONO audio CODEC.

It is designed for voice telephony related applications.

Functions include Automatic Level Control (ALC) with noise gate, PGA, standard audio interface I2S, and PCM with time slot assignment.

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 interface SPI have independent supply voltage to allow integration into multiple supply systems. The NAU8811 operates at supply voltages from 2.5V to 3.6V, although the digital core can operate at voltage as low as 1.71V to save power. The NAU8811 is specified for operation from -40C to +85.

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Datasheet preview – NAU8811

Datasheet Details

Part number NAU8811
Manufacturer Nuvoton Technology
File Size 1.66 MB
Description Mono Audio Codec
Datasheet download datasheet NAU8811 Datasheet
Additional preview pages of the NAU8811 datasheet.

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Full PDF Text Transcription

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NAU8811 Mono Audio Codec with SPI emPowerAudio™ 1. GENERAL DESCRIPTION The NAU8811 is a cost effective and low power wideband MONO audio CODEC. It is designed for voice telephony related applications. Functions include Automatic Level Control (ALC) with noise gate, PGA, standard audio interface I2S, and PCM with time slot assignment. 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 Headphone (Headphone) 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. The microphone amplifiers have a programmable gain from -12dB to +35.
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