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WM8728SEDS PDF预览

WM8728SEDS

更新时间: 2024-11-22 04:25:11
品牌 Logo 应用领域
欧胜 - WOLFSON 转换器光电二极管
页数 文件大小 规格书
28页 345K
描述
24-bit, 192kHz Stereo DAC with Volume Control

WM8728SEDS 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:SSOP, SOP20,.31,25Reach Compliance Code:unknown
风险等级:5.77Is 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:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装等效代码:SOP20,.31,25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
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:0.65 mm
端子位置:DUAL宽度:5.3 mm
Base Number Matches:1

WM8728SEDS 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  
Digital TV  
Digital broadcast receivers  
BLOCK DIAGRAM  
Production Data, April 2004, Rev 4.2  
Copyright 2004 Wolfson Microelectronics plc  
WOLFSON MICROELECTRONICS plc  
w :: www.wolfsonmicro.com  

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