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WM8718SEDS/R PDF预览

WM8718SEDS/R

更新时间: 2024-11-05 22:29:51
品牌 Logo 应用领域
欧胜 - WOLFSON /
页数 文件大小 规格书
27页 285K
描述
24 BIT DIFFERENTIAL STEREO DAC WITH VOLUME CONTROL

WM8718SEDS/R 技术参数

是否Rohs认证: 符合生命周期:Transferred
Reach Compliance Code:unknown风险等级:5.58
转换器类型:D/A CONVERTER输入位码:2'S COMPLEMENT
JESD-30 代码:R-PDSO-G20湿度敏感等级:1
位数:24功能数量:2
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,.3
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
电源:3.3,5 V认证状态:Not Qualified
子类别:Other Converters表面贴装:YES
技术:CMOS温度等级:OTHER
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUALBase Number Matches:1

WM8718SEDS/R 数据手册

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WM8718  
w
24 Bit Differential Stereo DAC with Volume Control  
DESCRIPTION  
FEATURES  
24 bit Stereo DAC  
The WM8718 is a high performance differential stereo DAC  
designed for audio applications such as DVD, home theatre  
systems and digital TV. The WM8718 supports PCM data  
input word lengths from 16 to 32-bits and sampling rates up  
to 192kHz. The WM8718 consists of a serial interface port,  
digital interpolation filters, multi-bit sigma delta modulators  
Fully Differential Voltage Outputs  
Audio Performance  
-
111dB SNR (‘A’ weighted @ 48kHz) DAC  
-100dB THD  
-
DAC Sampling Frequency: 8kHz - 192kHz  
3 Wire Serial Control Interface  
and differential stereo DAC in  
a small 20-pin SSOP  
package. The WM8718 includes a digitally controllable  
mute, an attenuate function and zero flag output for each  
channel.  
Programmable Audio Data Interface Modes  
-
I2S, Left, Right Justified, DSP  
16/20/24/32 bit Word Lengths  
The 3-wire serial control port provides access to a wide  
range of features including on-chip mute, attenuation and  
phase reversal.  
-
Independent Digital Volume Control on Each Channel with  
127.5dB Range in 0.5dB Steps  
Independent Zero Flag Outputs  
3.0V - 5.5V Supply Operation  
20-pin SSOP Package  
The WM8718 is an ideal device to interface to AC-3,  
DTS, and MPEG audio decoders for surround sound  
applications, or for use in DVD players including those  
supporting DVD-A.  
APPLICATIONS  
CD, DVD, and DVD-Audio Players  
Home theatre systems  
Professional mixing desks  
BLOCK DIAGRAM  
W
WM8718  
CONTROL  
INTERFACE  
ZEROFR  
ZEROFL  
VOUTRP  
VOUTRN  
SIGMA  
DELTA  
MODULATOR  
ATT/  
MUTE  
DAC  
DAC  
BCKIN  
DIGITAL  
FILTERS  
AUDIO  
INTERFACE  
LRCIN  
DIN  
VOUTLP  
VOUTLN  
SIGMA  
DELTA  
MODULATOR  
ATT/  
MUTE  
VMID  
WOLFSON MICROELECTRONICS plc  
Production Data, March 2004, Rev 4.1  
Copyright 2004 Wolfson Microelectronics plc  
www.wolfsonmicro.com  

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