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WM8753LGEFL/RV

更新时间： 2024-11-23 20:50:07
品牌 Logo 应用领域
凌云 - CIRRUS PC电信电信集成电路
页数 文件大小 规格书
82页 786K
描述
PCM Codec, 1-Func, CMOS, PQCC48, 7 X 7 MM, 0.90 MM HEIGHT, 0.50 MM PITCH, LEAD FREE, PLASTIC, MO-220VKKD-2, QFN-48

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WM8753LGEFL/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：5.82
滤波器：YESJESD-30 代码：S-PQCC-N48
长度：7 mm功能数量：1
端子数量：48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：HVQCCN
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
座面最大高度：1 mm标称供电电压：1.5 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：NO LEAD端子节距：0.5 mm
端子位置：QUAD宽度：7 mm
Base Number Matches：1

WM8753LGEFL/RV 数据手册

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WM8753L  
Hi-Fi and Telephony Dual Codec  
DESCRIPTION  
FEATURES  
The WM8753L is a low power, high quality stereo Codec with  
integrated PCM CODEC designed for portable digital telephony  
applications such as mobile phone, or headset with Hi-Fi  
playback capability.  
•
•
•
•
•
Hi-Fi DAC: interfaced over I2S type link  
Audio sample rates: 8, 11.025, 16, 22.05, 24, 32, 44.1, 48,  
DAC SNR 98dB, THD -84dB (‘A’ weighted @ 48kHz)  
ADC SNR 95dB, THD -82dB (‘A’ weighted @ 48kHz)  
On-chip Headphone Driver with cap-less output option  
The device integrates dual interfaces to two differentially  
connected microphones, and includes drivers for speakers,  
headphone and earpiece. External component requirements  
are reduced as no separate microphone or headphone  
amplifiers are required, and Cap-less connections can be made  
to all loads. Advanced on-chip digital signal processing  
performs tone control, Bass Boost and automatic level control  
for the microphone or line input through the ADC. The two  
ADCs may be used to support Voice noise cancellation in a  
partnering DSP, or for stereo recording.  
-
-
-
40mW output power on 16Ω / 3.3V  
with 16Ω load: SNR 90dB, THD –75dB  
with 10kΩ load: SNR 94dB, THD –90dB  
•
•
•
•
•
On-chip speaker driver with 0.5W into 8R  
PCM Codec: interfaced over PCM interface  
supports sample rates from 8ks/s to 48ks/s  
ADC and DAC SNR 82dB, THD -74dB  
Two Differential Microphone Interfaces  
-
-
Dual ADCs support noise cancellation in external DSP  
Programmable ALC / Noise Gate  
The WM8753L Hi-Fi DAC can operate as a master or a slave,  
with various master clock frequencies including 12 or 24MHz  
for USB devices, 13MHz or 19.2MHz for cellular systems, or  
standard 256fs rates like 12.288MHz and 24.576MHz. Internal  
PLLs generate all required clocks for both PCM and Hi-Fi  
converters. If audio system clocks already exist, the PLLs may  
be committed to alternative uses.  
•
Low-noise bias supplied for electret microphones  
Other features  
•
•
•
On-chip PLLs supporting 12, 13, 19.2MHz and other clocks  
Cap-less connection options to headphones, earpiece, spkr.  
Low power, low voltage  
-
-
-
1.8V to 3.6V (digital core: 1.42V to 3.6V)  
power consumption <20mW all-on with 2V supplies  
<12mW for PCM CODEC operation  
The WM8753L operates at a nominal supply voltage of 2V,  
although the digital core can operate at voltages down to 1.42V  
to save power, and the maximum for all supplies is 3.6 Volts.  
Different sections of the chip can also be powered down under  
software control.  
•
7x7x0.9mm QFN package  
APPLICATIONS  
•
•
MP3 Player / Recorder mobile phone  
Bluetooth stereo headset  
WOLFSON MICROELECTRONICS plc  
Product Preview, December 2003, Rev 1.1  
Copyright 2003 Wolfson Microelectronics plc  
www.wolfsonmicro.com  
1234567...82

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