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WM8781GEDS/RV PDF预览

WM8781GEDS/RV

更新时间: 2024-11-23 15:57:59
品牌 Logo 应用领域
凌云 - CIRRUS 光电二极管商用集成电路
页数 文件大小 规格书
21页 302K
描述
Consumer Circuit, CMOS, PDSO20, 7.20 X 5.30 MM, 1.75 MM HEIGHT, MO-150AE, SSOP-20

WM8781GEDS/RV 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:SSOP,Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:8
其他特性:IT ALSO REQUIRES ANALOG SUPPLY RANGE 2.7 TO 5.5 VOLT商用集成电路类型:CONSUMER CIRCUIT
JESD-30 代码:S-PDSO-G20长度:7.2 mm
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
封装形状:SQUARE封装形式:SMALL OUTLINE, SHRINK PITCH
座面最大高度:2 mm最大供电电压 (Vsup):3.6 V
最小供电电压 (Vsup):2.7 V表面贴装:YES
技术:CMOS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 mm
Base Number Matches:1

WM8781GEDS/RV 数据手册

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WM8781  
w
24-Bit, 192kHz Stereo ADC  
DESCRIPTION  
FEATURES  
SNR 102dB (‘A’ weighted @ 48kHz)  
THD -90dB (at –1dB)  
Sampling Frequency: 8 – 192kHz  
Master or Slave Clocking Mode  
The WM8781 is a high performance, low cost stereo audio  
ADC designed for recordable media applications.  
The device offers stereo line level inputs along with two  
control input pins (FORMAT, IWL) to allow operation of the  
audio interface in three industry standard modes. An  
internal op-amp is integrated on the front end of the chip to  
System Clock (MCLK): 128fs, 192fs, 256fs, 384fs, 512fs, 768fs  
Audio Data Interface Modes  
-
16-24 bit I2S, 16-24 bit Left, 16-24 bit Right Justified  
accommodate analogue input signals greater than 1Vrms  
.
Supply Voltages  
The device also has a high pass filter to remove residual  
DC offsets.  
-
-
Analogue 2.7 to 5.5V  
Digital core: 2.7V to 3.6V  
20-lead SSOP package  
WM8781 offers Master or Slave mode clocking schemes.  
A control input pin M/S is used to allow Slave mode  
operation or Master mode operation. A stereo 24-bit multi-  
bit sigma-delta ADC is used with 128x, 64x or 32x over-  
sampling, according to sample rate. Digital audio output  
word lengths from 16-24 bits and sampling rates from 8kHz  
to 192kHz are supported.  
APPLICATIONS  
Recordable DVD Players  
Personal Video Recorders  
STB  
Studio Audio Processing Equipment  
The device is a hardware controlled device and is supplied  
in a 20-lead SSOP package.  
BLOCK DIAGRAM  
Producon Data, January 2012, Rev 4.5  
WOLFSON MICROELECTRONICS plc  
To receive regular email updates, sign up at http://www.wolfsonmicro.com/enews  
Copyrigh2012 Wolfson Microelectronics plc  

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