NAU8811YG

Series:	emPowerAudio™
Packaging:	Tray
Part Status:	Last Time Buy
Type:	Audio
Data Interface:	I²S
Resolution (Bits):	24 b
Number of ADCs / DACs:	1 / 1
Sigma Delta:	Yes
S/N Ratio, ADCs / DACs (db) Typ:	91 / 93
Dynamic Range, ADCs / DACs (db) Typ:	--
Voltage - Supply, Analog:	2.5 V ~ 3.6 V
Voltage - Supply, Digital:	1.71 V ~ 3.6 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	20-WFQFN Exposed Pad
Supplier Device Package:	20-QFN (4x4)

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NAU8811YG is an integrated audio digital signal processor (DSP) that targets a wide range of audio applications, including digital audio players, mobile phones, low-power audio amplifiers, etc. This digital signal processor is developed by Nuvoton Technology Corporation, which is a fabless IC design house based in Taiwan. The NAU8811YG is an ultra-low cost and low power audio processor that can be used to boost the audio signals of portable and mobile devices, such as mobile phones, tablets, MP3 players, and portable speaker systems. This device is a two-channel audio DSP with a built-in codec and supports up to 32-bit stereo audio and sample rates up to 48kHz. The pin-outs of the NAU8811YG are divided into four sections, namely, the power section, the analog part, the I/O component and the microphone component. The power part consists of three sections: the system power input, the power control section and the power supply bypass pin (VPAVP). The power control pin is used to enable and disable the power supply, while the power supply bypass pin (VPAVP) is used for reset and stand-by operation.The analog part consists of the analog ground, the piezoelectric audio output stage and the analog input stage. The piezoelectric audio output stage amplifies the audio signal from the digital signal processor and drives the loudspeaker. The analog input stage is transparent to the digital signal processor, allowing analog input signals to pass through without any alteration. The I/O component is made up of 12 pins, with their specific functionalities depending on their configuration. These pins can be configured to control the audio signal, clock signals and the RST connection interface. The microphone component includes 9 pins, which are used to control the microphone amplification, output and gain settings. The core component of the NAU8811YG is its built-in audio codec. This audio codec supports a variety of signal processing effects and functions that can be used to improve the sound quality of the audio signal. Some of the available functions include de-emphasis, high-pass/low-pass filtering, amplitude modulation, automatic gain control and digital signal control. The power consumption of the NAU8811YG is relatively low, making it ideal for mobile and portable devices. It can easily be configured to operate in a wide range of power modes and it supports a variety of low-power sleep modes to minimize its power consumption. To summarize, the NAU8811YG is an integrated audio digital signal processor designed for a wide range of audio applications. It features a built-in audio codec with a variety of signal processing effects and functions for improved sound quality. It has a low power consumption, making it suitable for mobile and portable devices. It can be easily configured to operate in a wide range of power modes and has a variety of low-power sleep modes.

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