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WM8772EDS

更新时间: 2024-11-23 15:57:59
品牌 Logo 应用领域
凌云 - CIRRUS PC光电二极管
页数 文件大小 规格书
70页 655K
描述
PCM Codec, 1-Func, CMOS, PDSO28, 10.20 X 5.30 MM, 1.75 MM HEIGHT, MO-150AH, SSOP-28

WM8772EDS 技术参数

生命周期:Obsolete包装说明:SSOP,
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.81滤波器:YES
JESD-30 代码:R-PDSO-G28长度:10.2 mm
功能数量:1端子数量:28
工作模式:SYNCHRONOUS最高工作温度:85 °C
最低工作温度:-25 °C封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH座面最大高度:2 mm
标称供电电压:3.3 V表面贴装:YES
技术:CMOS电信集成电路类型:PCM CODEC
温度等级:OTHER端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
宽度:5.3 mmBase Number Matches:1

WM8772EDS 数据手册

 浏览型号WM8772EDS的Datasheet PDF文件第2页浏览型号WM8772EDS的Datasheet PDF文件第3页浏览型号WM8772EDS的Datasheet PDF文件第4页浏览型号WM8772EDS的Datasheet PDF文件第5页浏览型号WM8772EDS的Datasheet PDF文件第6页浏览型号WM8772EDS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  

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Consumer Circuit, CMOS, PQFP32,