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WM8734SEDS/R PDF预览

WM8734SEDS/R

更新时间: 2024-11-22 19:25:35
品牌 Logo 应用领域
凌云 - CIRRUS PC电信光电二极管电信集成电路
页数 文件大小 规格书
46页 520K
描述
PCM Codec, 1-Func, CMOS, PDSO20, 7.20 X 5.30 MM, 1.75 MM HEIGHT, LEAD FREE, MO-150AE, SSOP-20

WM8734SEDS/R 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:5.75滤波器:YES
JESD-30 代码:R-PDSO-G20长度:7.2 mm
功能数量:1端子数量:20
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

WM8734SEDS/R 数据手册

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WM8734  
w
Stereo Audio CODEC  
DESCRIPTION  
FEATURES  
Audio Performance  
The WM8734 is a low power stereo CODEC ideal for MD,  
CD-RW machines and DAT recording applications.  
90dB SNR (‘A’ weighted @ 48kHz) ADC  
100dB SNR (‘A’ weighted @ 48kHz) DAC  
2.7 – 3.6V Digital Supply Operation  
2.7 – 3.6V Analogue Supply Operation  
Stereo line inputs are provided, along with a mute function  
and programmable line level volume control.  
Stereo 24-bit multi-bit sigma delta ADCs and DACs are  
used with oversampling digital interpolation and decimation  
filters.  
ADC and DAC Sampling Frequency: 8kHz – 96kHz  
Selectable ADC High Pass Filter  
2 or 3-Wire MPU Serial Control Interface  
Programmable Audio Data Interface Modes  
Digital audio input word lengths from 16-32 bits and  
sampling rates from 8kHz to 96kHz are supported.  
I2S, Left, Right Justified or DSP  
16/20/24/32 bit Word Lengths  
Master or Slave Clocking Mode  
Stereo audio line level outputs are provided along with anti-  
thump mute and power up/down circuitry.  
The device is controlled via a 2 or 3 wire serial interface.  
The interface provides access to all features including level  
controls, mutes, de-emphasis and power management  
facilities. The device is available in 20-pin SSOP or 28-lead,  
5x5mm QFN packages.  
Stereo Audio Inputs and Outputs  
20-Pin SSOP or 5x5mm QFN Package Options  
APPLICATIONS  
CD and Minidisc Recorder  
MP3 Player / Recorder  
BLOCK DIAGRAM  
AVDD  
CONTROL INTERFACE  
VMID  
W
WM8734  
AGND  
VOL  
RLINEIN  
LLINEIN  
MUTE  
ADC  
ADC  
DAC  
DAC  
ROUT  
LOUT  
+12 to -34.5dB,  
1.5dB Steps  
DIGITAL  
FILTERS  
VOL  
MUTE  
+12 to -34.5dB,  
1.5dB Steps  
CLKIN  
DIVIDER  
(Div x1, x2)  
DIGTAL AUDIO INTERFACE  
WOLFSON MICROELECTRONICS plc  
Production Data, January 2005, Rev 4.0  
www.wolfsonmicro.com  
Copyright 2005 Wolfson Microelectronics plc  

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