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WM8860GEFL/RV PDF预览

WM8860GEFL/RV

更新时间： 2024-11-23 12:23:27
品牌 Logo 应用领域
欧胜 - WOLFSON 解码器编解码器
页数 文件大小 规格书
184页 1553K
描述
Multi-Channel High Definition Audio CODEC

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中文翻译

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WM8860GEFL/RV 数据手册

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WM8860  
w
Multi-Channel High Definition Audio CODEC  
DESCRIPTION  
FEATURES  
Multi-channel High Definition Audio CODEC  
Fully compatible with Intel High Definition Audio Revision 1.0  
4-Channel DAC, 4-channel ADC  
DAC sampling frequency 8kHz - 192kHz  
ADC sampling frequency 8kHz - 96kHz  
DAC Performance:  
The WM8860 is  
a high performance multi-channel audio  
CODEC designed for high performance portable PC audio  
systems. The device offers full compatibility with the Intel High  
Definition Audio (HDA) specification revision 1.0, allowing  
seamless integration with industry-standard HDA controllers.  
The WM8860 has two high performance stereo DACs to enable  
four channels of high definition audio. A high-performance  
ground-referenced stereo headphone amplifier utilises advanced  
charge pump and DC servo technology to minimise system cost  
and space without compromise on audio quality. A balanced  
line output, which can provide a differential connection to an  
external speaker amplifier, is also provided and enables  
common mode noise rejection when these traces are routed  
across a PCB.  
-
-
-
SNR 108dB (‘A’ weighted)  
SNR 105dB (non weighted)  
THD -96dB (at 0dBFS)  
ADC Performance:  
-
-
-
SNR 105dB (‘A’ weighted)  
SNR 102dB (non weighted)  
THD -95dB (at -1dBFS)  
Ground-referenced stereo headphone driver  
Differential line inputs/outputs  
Stereo microphone interface with integrated pre-amp  
Multi-channel digital microphone interface  
IEC-60958-3 compatible S/PDIF transmitter  
Jack detect and load impedance sensing  
Beep generator  
GPIO functionality  
IEEE-754 Single precision 32-bit floating point support  
Power supplies  
The WM8860 also has two high performance stereo ADCs to  
provide Hi-Fi quality analogue line-in and microphone input  
digitisation. A low noise microphone bias with programmable  
output voltage is provided. Additionally, the CODEC contains a  
digital microphone interface capable of supporting up to four  
independent digital microphones. One differential stereo input is  
provided for line level signals, while one pseudo-differential  
stereo input with integrated microphone preamplifier is provided.  
-
-
-
-
Digital core:  
Digital buffer: 2.97V – 3.63V  
Analogue: 4.5V – 5.25V  
Charge pump: 4.5V – 5.25V  
1.62V – 1.98V  
The WM8860 also contains a S/PDIF transmitter which is fully  
compatible with IEC-60958-3. Two dedicated GPIO pins are  
provided, enabling control of external amplifiers or other  
additional system components.  
48-pin 7mm x 7mm QFN package  
The WM8860 is supplied in a small 48-pin QFN package.  
APPLICATIONS  
High performance PC audio  
All-in-one desktop PC  
Notebook PC  
Pre-Production, June 2011, Rev 3.3  
WOLFSON MICROELECTRONICS plc  
Copyright 2011 Wolfson Microelectronics plc  
1234567...184

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