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WM8772SEFT/V PDF预览

WM8772SEFT/V

更新时间： 2024-11-23 15:57:59
品牌 Logo 应用领域
凌云 - CIRRUS 商用集成电路
页数 文件大小 规格书
70页 655K
描述
Consumer Circuit, CMOS, PQFP32,

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WM8772SEFT/V 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：QFP, TQFP32,.35SQ,32Reach Compliance Code：compliant
风险等级：5.82商用集成电路类型：CONSUMER CIRCUIT
JESD-30 代码：S-PQFP-G32端子数量：32
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：QFP
封装等效代码：TQFP32,.35SQ,32封装形状：SQUARE
封装形式：FLATPACK电源：3.3,5 V
认证状态：Not Qualified子类别：Other Consumer ICs
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子形式：GULL WING
端子节距：0.8 mm端子位置：QUAD
Base Number Matches：1

WM8772SEFT/V 数据手册

 浏览型号WM8772SEFT/V的Datasheet PDF文件第2页浏览型号WM8772SEFT/V的Datasheet PDF文件第3页浏览型号WM8772SEFT/V的Datasheet PDF文件第4页浏览型号WM8772SEFT/V的Datasheet PDF文件第5页浏览型号WM8772SEFT/V的Datasheet PDF文件第6页浏览型号WM8772SEFT/V的Datasheet PDF文件第7页 
WM8772  
24-bit, 192kHz 6-Channel Codec with Volume Control  
DESCRIPTION  
FEATURES  
•
Audio Performance  
The WM8772 is a multi-channel audio codec ideal for DVD  
and surround sound processing applications for home hi-fi,  
automotive and other audio visual equipment.  
−
−
103dB SNR (‘A’ weighted @ 48kHz) DAC  
100dB SNR (‘A’ weighted @ 48kHz) ADC (TQFP)  
•
•
•
DAC Sampling Frequency: 8kHz – 192kHz  
ADC Sampling Frequency: 8kHz – 96kHz  
A stereo 24-bit multi-bit sigma delta ADC is used. Digital  
audio output word lengths from 16-32 bits and sampling  
rates from 8kHz to 96kHz are supported. The 32-lead  
version allows separate ADC and DAC samples rates.  
ADC and DAC can run at different sample rates (32 pin  
TQFP version only)  
•
•
3-Wire SPI Serial or Hardware Control Interface  
Programmable Audio Data Interface Modes  
Three stereo 24-bit multi-bit sigma delta DACs are used  
with oversampling digital interpolation filters. Digital audio  
input word lengths from 16-32 bits and sampling rates from  
8kHz to 192kHz are supported. Each DAC channel has  
independent digital volume and mute control.  
−
−
I2S, Left, Right Justified or DSP  
16/20/24/32 bit Word Lengths  
•
Three Independent stereo DAC outputs with independent  
digital volume controls  
The audio data interface supports I2S, left justified, right  
justified and DSP digital audio formats.  
•
•
Master or Slave Audio Data Interface  
2.7V to 5.5V Analogue, 2.7V to 3.6V Digital supply  
Operation  
The device is controlled via a 3 wire serial interface. The  
interface provides access to all features including channel  
selection, volume controls, mutes, de-emphasis and power  
management facilities. The device is available in a 28-pin  
SSOP or 32 pin TQFP.  
•
28 pin SSOP or 32 pin TQFP Package  
APPLICATIONS  
•
•
•
DVD Players  
Surround Sound AV Processors and Hi-Fi systems  
Automotive Audio  
BLOCK DIAGRAM - 28 PIN SSOP  
VREFNVREFP  
LOW  
PASS  
FILTER  
VOUT1L  
VOUT1R  
STEREO  
DAC  
VREFN  
AUDIO  
INTERFACE  
AINL  
AINR  
VOUT2L  
VOUT2R  
LOW  
PASS  
FILTER  
STEREO  
ADC  
STEREO  
DAC  
&
DIGITAL FILTERS  
VOUT3L  
VOUT3R  
LOW  
PASS  
FILTER  
STEREO  
DAC  
W
WM8772EDS  
CONTROL INTERFACE  
WOLFSON MICROELECTRONICS plc  
Production Data, January 2004, Rev 4.0  
w :: www.wolfsonmicro.com  
Copyright 2004 Wolfson Microelectronics plc  
1234567...70

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