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WM8728SEDS/R PDF预览

WM8728SEDS/R

更新时间: 2024-11-22 21:19:55
品牌 Logo 应用领域
凌云 - CIRRUS 光电二极管转换器
页数 文件大小 规格书
28页 339K
描述
D/A Converter, 2 Func, PDSO20

WM8728SEDS/R 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:SSOP-20Reach Compliance Code:compliant
风险等级:5.7Is Samacsys:N
转换器类型:D/A CONVERTER输入位码:2'S COMPLEMENT BINARY
输入格式:SERIALJESD-30 代码:R-PDSO-G20
长度:7.2 mm湿度敏感等级:1
位数:24功能数量:1
端子数量:20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封装等效代码:SSOP20,.31,25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:5 V
认证状态:Not Qualified座面最大高度:2 mm
子类别:Other Converters标称供电电压:5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:0.635 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:5.3 mm
Base Number Matches:1

WM8728SEDS/R 数据手册

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WM8728  
w
24-bit, 192kHz Stereo DAC with  
Volume Control  
DESCRIPTION  
FEATURES  
Stereo DAC with 24 bit PCM  
Audio Performance  
The WM8728 is a high performance stereo DAC designed  
for audio applications such as DVD, home theatre systems,  
and digital TV. The WM8728 supports PCM data input word  
lengths from 16 to 32-bits and sampling rates up to 192kHz.  
The WM8728 consists of a serial interface port, digital  
interpolation filters, multi-bit sigma delta modulators and  
stereo DAC in a small 20-pin SSOP package. The WM8728  
also includes a digitally controllable mute and attenuate  
function for each channel.  
-
-
106dB SNR (‘A’ weighted @ 48kHz) DAC  
-97dB THD  
DAC Sampling Frequency: 8kHz - 192kHz  
2 or 3-Wire Serial Control Interface or Hardware Control  
Programmable Audio Data Interface Modes  
-
I2S, Left, Right Justified, DSP  
16/20/24/32 bit Word Lengths  
-
The WM8728 supports a variety of connection schemes for  
audio DAC control. The 2 or 3-wire MPU serial port provides  
access to a wide range of features including on-chip mute,  
attenuation and phase reversal. A hardware controllable  
interface is also available  
Independent Digital Volume Control on Each Channel with  
127.5dB Range in 0.5dB Steps  
3.0V - 5.5V Supply Operation  
20-pin SSOP Package  
The WM8728 is an ideal device to interface to AC-3,  
DTS, and MPEG audio decoders for surround sound  
applications, or for use in DVD players supporting DVD-A.  
Exceeds Dolby Class A Performance Requirements  
APPLICATIONS  
DVD-Audio and DVD ‘Universal’ Players  
Home theatre systems  
Dig iTtaVl  
Digital broadcast receivers  
BLOCK DIAGRAM  
Production Data, February 2004, Rev 4.0  
WOLFSON MICROELECTRONICS plc  
Copyright 2004 Wolfson Microelectronics plc  
w :: www.wolfsonmicro.com  

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