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WM8982GEFL/V PDF预览

WM8982GEFL/V

更新时间： 2024-09-18 20:00:23
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
108页 1463K
描述
PCM Codec, A/MU-Law, 1-Func, CMOS, PQCC32, 5 X 5 MM, 0.90 MM HEIGHT, 0.50 MM PITCH, LEAD FREE, PLASTIC, MO-220-VHHD-5, QFN-32

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WM8982GEFL/V 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：HVQCCN,Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.77
压伸定律：A/MU-LAW滤波器：YES
JESD-30 代码：S-PQCC-N32长度：5 mm
功能数量：1端子数量：32
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：1.8 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：5 mmBase Number Matches：1

WM8982GEFL/V 数据手册

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WM8982  
w
Mono CODEC with Speaker Driver and Video Buffer  
DESCRIPTION  
FEATURES  
CODEC:  
The WM8982 is  
a low power, high quality CODEC with  
•
•
•
DAC SNR 98dB, THD -84dB (‘A’ weighted @ 48kHz)  
ADC SNR 90dB, THD -80dB (‘A’ weighted @ 48kHz)  
1W output power into 8Ω BTL speaker / 5V SPKVDD  
integrated video buffer designed for portable applications such  
as digital still camera or digital camcorder.  
The device integrates a preamp for a differential mic, and  
includes drivers for speaker and line outputs. External  
component requirements are reduced as no separate  
microphone or headphone/speaker amplifiers are required.  
-
Capable of driving piezo speakers  
Mic Preamp:  
•
Differential microphone Interface  
-
-
-
Programmable preamp gain  
Psuedo differential inputs with common mode rejection  
Programmable ALC / Noise Gate in ADC path  
An integrated video buffer is provided which has programmable  
gain from 0-6dB, sync-tip clamp and a 3rd order input low pass  
filter for signal re-construction.  
•
Low-noise bias supplied for electret microphones  
Other features:  
Advanced on-chip digital signal processing includes a 5-band  
equaliser, a mixed signal Automatic Level Control for the  
microphone or line input through the ADC as well as a purely  
digital limiter function for record or playback. Additional digital  
filtering options are available in the ADC path, to cater for  
application filtering such as ‘wind noise reduction’.  
•
•
•
•
•
•
•
•
Integrated 0-6dB video buffer with LPF filter and clamp.  
Digital playback limiter  
5-band Equaliser (record or playback)  
Programmable ADC High Pass Filter (wind noise reduction)  
Programmable ADC Notch Filter  
Aux inputs for analog input signals or ‘beep’  
On-chip PLL supporting 12, 13, 19.2MHz and other clocks  
Low power, low voltage  
The WM8982 CODEC can operate as a master or a slave. An  
internal PLL can generate all required audio clocks for the  
CODEC from common reference clock frequencies, such as  
12MHz and 13MHz.  
-
2.5V to 3.6V (digital: 1.71V to 3.6V)  
•
5x5mm 32-lead QFN package  
APPLICATIONS  
The WM8982 operates at analogue supply voltages from 2.5V  
to 3.3V, although the digital core can operate at voltages down  
to 1.71V to save power. The speaker outputs and mono line  
output can run from a 5V supply if increased output power is  
required. Individual sections of the chip can also be powered  
down under software control.  
•
Camcorder or DSC  
BLOCK DIAGRAM  
Pre-Production, May 2008 Rev 3.1  
WOLFSON MICROELECTRONICS plc  
To receive regular email updates, sign up at http://www.wolfsonmicro.com/enews/  
Copyright ©2008 Wolfson Microelectronics plc  
1234567...108

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WM8983GEFL/R CIRRUS

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 		PCM Codec, A/MU-Law, 1-Func, CMOS, PQCC32, 5 X 5 MM, 0.90 MM HEIGHT, 0.50 MM PITCH, LEAD F
WM8983GEFL/RV WOLFSON

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 		Mobile Multimedia CODEC with 1W Speaker Driver
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