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WM8711CBLGEFL/RV PDF预览

WM8711CBLGEFL/RV

更新时间： 2024-11-22 19:40:27
品牌 Logo 应用领域
凌云 - CIRRUS 商用集成电路
页数 文件大小 规格书
44页 373K
描述
Consumer Circuit, CMOS, PQCC24, 4 X 4 MM, 0.90 MM HEIGHT, 0.50 MM PITCH, LEAD FREE, PLASTIC, MO-220VGGD-8, QFN-24

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WM8711CBLGEFL/RV 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：HVQCCN,Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.8
其他特性：IT ALSO REQUIRES ANALOG SUPPLY RANGE 1.8 TO 3.6 VOLT商用集成电路类型：CONSUMER CIRCUIT
JESD-30 代码：S-PQCC-N24长度：4 mm
功能数量：1端子数量：24
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：HVQCCN
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
座面最大高度：0.9 mm最大供电电压 (Vsup)：3.6 V
最小供电电压 (Vsup)：1.42 V表面贴装：YES
技术：CMOS温度等级：OTHER
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD宽度：4 mm
Base Number Matches：1

WM8711CBLGEFL/RV 数据手册

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WM8711BL  
w
Ultra-Small Audio DAC with Headphone Amplifier  
DESCRIPTION  
FEATURES  
Audio Performance  
The WM8711BL is an ultra-small, low power stereo DAC  
with an integrated headphone driver. It is designed  
specifically for portable audio systems requiring hi-fi stereo  
playback through headphones.  
-
-
DAC SNR 97dB (‘A’ weighted) at AVDD = 3.3V  
DAC SNR 90dB (‘A’ weighted) at AVDD = 1.8V  
Low Power Headphone Playback  
-
-
-
Down to 6mW at 1.8V  
1.42 – 3.6V Digital Supply Operation  
1.8 – 3.6 V Analogue Supply Operation  
Stereo 24-bit multi-bit sigma delta DACs are used with  
oversampling digital interpolation filters. Digital audio input  
word lengths from 16-32 bits and sampling rates from 8kHz  
to 96kHz are supported.  
DAC Sampling Frequency: 8kHz – 96kHz  
2 or 3-Wire MPU Serial Control Interface  
Programmable Audio Data Interface Modes  
Stereo audio outputs are buffered for driving headphones  
from a programmable volume control, line level outputs are  
also provided along with anti-thump mute and power  
up/down circuitry.  
-
-
-
I2S, Left, Right Justified or DSP  
16/20/24/32 bit Word Lengths  
Master or Slave Clocking Mode  
Stereo Audio Outputs  
The device is controlled via a 2 or 3 wire serial interface.  
The interface provides access to all features including  
volume controls, mutes, de-emphasis and extensive power  
management facilities. The device is available in an ultra-  
small 24-lead QFN (4x4x0.9 mm Body) package.  
Output Volume and Mute Controls  
Highly Efficient Headphone Driver  
24-lead QFN (4x4x0.9 mm) package  
APPLICATIONS  
A USB clocking mode is provided where all audio rates can  
be derived from a single 12MHz or 24MHz MCLK, saving on  
the need for a PLL or multiple crystals.  
Multimedia Mobile Phones  
Portable MP3 / CD Players  
BLOCK DIAGRAM  
HPVDD  
HPGND  
WM8711B  
CONTROL INTERFACE  
RLINEIN  
MUTE  
H/P  
DRIVER  
VOL/  
MUTE  
RHPOUT  
+6 to -73dB  
1 dB Steps  
DAC  
DACDAT  
ROUT  
LOUT  
DIGITAL  
DACLRC  
FILTERS  
BCLK  
+6 to -73dB  
1 dB Steps  
DAC  
VOL/  
MUTE  
H/P  
DRIVER  
LHPOUT  
LLINEIN  
MUTE  
CLKIN  
DIVIDER  
(Div x1,  
x2)  
CLKIN  
DIVIDER  
(Div x1,  
x2)  
OSC  
WOLFSON MICROELECTRONICS plc  
Production Data, December 2011, Rev 4.2  
To receive regular email updates, sign up at http://www.wolfsonmicro.com/enews  
Copyright 2011 Wolfson Microelectronics plc  
1234567...44

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