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WM8776EFT PDF预览

WM8776EFT

更新时间: 2024-11-06 22:41:27
品牌 Logo 应用领域
欧胜 - WOLFSON 解码器复用器编解码器电信集成电路PC
页数 文件大小 规格书
55页 590K
描述
24 BIT 192KHZ STEREO CODEC WITH 5 CHANNEL I/P MULTIPLEXER

WM8776EFT 技术参数

是否Rohs认证:不符合生命周期:Transferred
Reach Compliance Code:unknown风险等级:5.65
Is Samacsys:N湿度敏感等级:2
Base Number Matches:1

WM8776EFT 数据手册

 浏览型号WM8776EFT的Datasheet PDF文件第2页浏览型号WM8776EFT的Datasheet PDF文件第3页浏览型号WM8776EFT的Datasheet PDF文件第4页浏览型号WM8776EFT的Datasheet PDF文件第5页浏览型号WM8776EFT的Datasheet PDF文件第6页浏览型号WM8776EFT的Datasheet PDF文件第7页 
WM8776  
w
24-bit, 192kHz Stereo Codec with 5 Channel I/P Multiplexer  
DESCRIPTION  
FEATURES  
Audio Performance  
The WM8776 is a high performance, stereo audio codec  
with five channel input selector. The WM8776 is ideal for  
surround sound processing applications for home hi-fi,  
DVD-RW and other audio visual equipment.  
108dB SNR (‘A’ weighted @ 48kHz) DAC  
102dB SNR (‘A’ weighted @ 48kHz) ADC  
DAC Sampling Frequency: 32kHz – 192kHz  
ADC Sampling Frequency: 32kHz – 96kHz  
A stereo 24-bit multi-bit sigma delta ADC is used with a  
five stereo channel input mixer. Each ADC channel has  
programmable gain control with automatic level control.  
Digital audio output word lengths from 16-32 bits and  
sampling rates from 32kHz to 96kHz are supported.  
Five stereo ADC inputs with analogue gain adjust from  
+24dB to –21dB in 0.5dB steps  
Programmable Limiter or Automatic Level Control (ALC)  
Stereo DAC with independent analogue and digital  
volume controls  
A stereo 24-bit multi-bit sigma delta DAC is used with  
digital audio input word lengths from 16-32 bits and  
sampling rates from 32kHz to 192kHz. The DAC has an  
input mixer allowing an external analogue signal to be  
mixed with the DAC signal. There are also Headphone  
and line outputs, with volume controls for the  
headphones.  
Stereo Headphone and Line Output  
3-Wire SPI Compatible or 2-Wire Software Serial  
Control Interface  
Master or Slave Clocking Mode  
Programmable Audio Data Interface Modes  
I2S, Left, Right Justified or DSP  
The WM8776 supports fully independent sample rates  
for the ADC and DAC. The audio data interface supports  
I2S, left justified, right justified and DSP formats.  
16/20/24/32 bit Word Lengths  
Analogue Bypass Path Feature  
Selectable AUX input to the volume controls  
The device is controlled in software via a 2 or 3 wire  
serial interface, selected by the MODE pin, which  
provides access to all features including channel  
selection, volume controls, mutes, and de-emphasis  
facilities.  
2.7V to 5.5V Analogue, 2.7V to 3.6V Digital supply  
Operation  
The device is available in a 48-pin TQFP package.  
APPLICATIONS  
Surround Sound AV Processors and Hi-Fi systems  
DVD-RW  
BLOCK DIAGRAM  
AINOPL  
AINVGL  
VOUTL  
VOUTR  
AIN1L  
AIN1R  
AIN2L  
AIN2R  
HPVDD  
AUDIO INTERFACE  
AND  
AIN3L  
AIN3R  
STEREO  
ADC  
STEREO  
DAC  
HPOUTL  
LOW  
PASS  
FILTERS  
ALC  
AIN4L  
AIN4R  
HPOUTR  
HPGND  
DIGITAL FILTERS  
VMID  
AIN5L  
AIN5R  
AINVGR  
AINOPR  
CONTROL INTERFACE  
W
WM8776  
WOLFSON MICROELECTRONICS plc  
Product Preview, June 2004, Rev 1.91  
w :: www.wolfsonmicro.com  
Copyright 2004 Wolfson Microelectronics plc  

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