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WM8983GEFL PDF预览

WM8983GEFL

更新时间： 2024-11-06 22:14:11
品牌 Logo 应用领域
欧胜 - WOLFSON 解码器驱动器编解码器
页数 文件大小 规格书
88页 1508K
描述
Mobile Multimedia CODEC with 1W Speaker Driver

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中文翻译

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WM8983GEFL 技术参数

是否Rohs认证： 符合生命周期：Transferred
Reach Compliance Code：unknown风险等级：5.83
湿度敏感等级：1

WM8983GEFL 数据手册

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WM8983  
w
Mobile Multimedia CODEC with 1W Speaker Driver  
DESCRIPTION  
FEATURES  
Stereo Codec:  
The WM8983 is a low power, high quality stereo codec designed  
for portable multimedia applications. Highly flexible analogue  
mixing functions enable new application features, combining hi-fi  
quality audio with voice communication.  
•
•
•
•
•
•
DAC SNR 98dB, THD -84dB (‘A’ weighted @ 48kHz)  
ADC SNR 95dB, THD -84dB (‘A’ weighted @ 48kHz)  
Speaker driver (1W into 8Ω BTL with 5V supply)  
Headphone driver with ‘capless’ option  
40mW per channel output power into 16Ω / 3.3V AVDD2  
Pop and click suppression  
The device integrates preamps for stereo differential mics, and  
includes drivers for speaker, headphone and differential or stereo  
line output. External component requirements are reduced as no  
separate microphone or headphone amplifiers are required.  
Mic Preamps:  
•
•
•
•
•
Stereo Differential or mono microphone Interfaces  
Programmable preamp gain  
Psuedo differential inputs with common mode rejection  
Programmable ALC / Noise Gate in ADC path  
Low-noise bias supplied for electret microphones  
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. A programmable  
high pass filter in the ADC path is provided for wind noise  
reduction and an IIR with programmable coefficients can be used  
as a notch filter to suppress fixed-frequency noise.  
Other Features:  
•
•
•
•
•
•
•
•
Enhanced 3-D function for improved stereo separation  
Highly flexible mixing functions  
5-band equaliser (ADC or DAC path)  
ADC Programmable high pass filter (wind noise reduction)  
ADC Programmable IIR notch filter  
Aux inputs for stereo analog input signals or ‘beep’  
PLL supporting various clocks between 8MHz-50MHz  
Sample rates supported (kHz): 8, 11.025, 16, 12, 16, 22.05,  
24, 32, 44.1, 48  
The WM8983 digital audio interface can operate in master or  
slave mode, while an integrated PLL supports flexible clocking  
schemes. A-law and µ-law companding are fully supported.  
The WM8983 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. Speaker supplies can operate up to 5V for  
increased speaker output power. Additional power management  
control enables individual sections of the chip to be powered  
down under software control.  
•
•
•
•
2.5V to 3.6V analogue supplies  
1.71V to 3.6V digital supplies  
2.5V to 5.5V speaker supplies  
5x5mm 32-pin QFN package  
APPLICATIONS  
•
Multimedia phone  
Product Preview, August 2005, Rev 1.1  
WOLFSON MICROELECTRONICS plc  
Copyright 2005 Wolfson Microelectronics plc  
To receive regular email updates, sign up at http://www.wolfsonmicro.com/enews/  
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与WM8983GEFL相关器件

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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
WM8983GEFL/V WOLFSON

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WM8983GEFLR WOLFSON

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 		Mobile Multimedia CODEC with 1W Speaker Driver
WM8985 WOLFSON

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 		Multimedia CODEC With Class D Headphone and Line Out
WM8985_07 WOLFSON

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 		Multimedia CODEC With Class D Headphone and Line Out
WM8985_09 WOLFSON

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 		Multimedia CODEC with Class D Headphone and Line Out
WM8985GEFL WOLFSON

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 		Multimedia CODEC With Class D Headphone and Line Out
WM8985GEFL/R WOLFSON

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 		Multimedia CODEC With Class D Headphone and Line Out
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