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NAU8224 - 3.1W Stereo Filter-Free Class-D Audio Amplifier

General Description

The NAU8224 is a stereo high efficiency filter-free Class-D audio amplifier, which is capable of driving a 4Ω load with up to 3.1W output power.

This device provides chip enable pin with extremely low standby current and fast start-up time of 3.4ms.

Key Features

  • a highly flexible 2 wire interface with many useful gain settings. The gain can be selected from 24dB to -62dB (plus mute) by using 2 wire interface and GS pin. The NAU8224 is ideal for the portable.

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Datasheet Details

Part number NAU8224
Manufacturer Nuvoton
File Size 754.11 KB
Description 3.1W Stereo Filter-Free Class-D Audio Amplifier
Datasheet download datasheet NAU8224 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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NAU8224 3.1W Stereo Filter-Free Class-D Audio Amplifier with 2 wire interface gain control 1 Description The NAU8224 is a stereo high efficiency filter-free Class-D audio amplifier, which is capable of driving a 4Ω load with up to 3.1W output power. This device provides chip enable pin with extremely low standby current and fast start-up time of 3.4ms. The NAU8224 features a highly flexible 2 wire interface with many useful gain settings. The gain can be selected from 24dB to -62dB (plus mute) by using 2 wire interface and GS pin. The NAU8224 is ideal for the portable applications of battery drive, as it has advanced features like 87dB PSRR, 91% efficiency, ultra low quiescent current (i.e. 2.1mA at 3.7V for 2 channels) and superior EMI performance.