NAU88L11
NAU88L11 is Ultra-Low Power Audio CODEC manufactured by Nuvoton Technology.
DESCRIPTION
The NAU88L11 is a cost effective ultra-low power high performance MONO audio CODEC. It’s suitable for wide range of applications including industrial or portable audio applications. This CODEC includes I2S/PCM interface, Analog/Digital microphone interface, integrated DSP functions, high quality DAC and ADC, and a Class-AB power amplifier. The advanced on-chip digital signal processing features include a dynamic range pressor (DRC) and programmable biquad filter. The NAU88L11 digital and analog voltage can be operated as low as 1.62V, with Speaker Driver voltage operated from 2.5 ~ 3.6V.
FEATURES
- DAC SNR(A-weighted): 105d B@1.8V, RL= 8Ω, DAC gain=11d B, THD= -85d B
- ADC SNR(A-weighted): 103d B@1.8V, MIC gain=0d B,Fs=48k Hz, THD =-93d B
- Low Noise Microphone PGA SNR: 100d B@+18d B gain, 256x OSR
- Digital I2S/PCM I/O port
- Mono differential analog microphone input, or mono digital microphone input
- Low noise Microphone bias: <10 u VRMS noise between 20~20k Hz;
- Class AB Power Amplifier: 350m W @ 8Ω, 1% THD+N
- Lineout Mode with Pop&Click Noise Suppression during startup
- Sampling rate from 8k to 96k Hz
- Integrated DSP with specific functions: o Programmable Biquad filter o Dynamic Range pressor (DRC)
- Package: QFN-20 Package is Halogen-free, Ro HSpliant and TSCA-pliant
Applications
- Inter
- Doorbell
- Portable Recording Device
- Wireless handsets /headsets
- Surveillance Camera
- Dash CAM
- Sports CAM
- Digital Still Cameras
- Speakerphone
Block Diagram
Feb 1, 2023
Page 1 of 67
Rev 1.7
Pin Diagram :
QFN 20-pin (4mm x 4mm)
Feb 1, 2023
Page 2 of 67
Rev 1.7
Pin Description
Pin #
Name
Type
Functionality
VDDA...
