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AW8737 Datasheet(PDF) 8 Page - Shanghai awinic technology co.,ltd

Part # AW8737
Description  High efficiency, low noise, super low distortion, constant pitch volume, seventh generation K music.
PDF  28 Pages
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Manufacturer  AWINIC [Shanghai awinic technology co.,ltd]
Direct Link  http://www.awinic.com.cn/index.php
Logo AWINIC - Shanghai awinic technology co.,ltd

AW8737 Datasheet(HTML) 8 Page - Shanghai awinic technology co.,ltd

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AW8737 产品手册
2017 年 11 月 V1.2
www.awinic.com.cn
版权所有© 2017 上海艾为电子技术股份有限公司
8
低通滤波器推荐采用表 1 中的电阻、电容值。
滤波电阻
滤波电容
低通截止频率
500Ω
10nF
32kHz
1kΩ
4.7nF
34kHz
表1. AW8737 测试用滤波器推荐值
功率计算方法
根据上面的测试方法,在低通滤波器的输出端得到差分模拟信号,利用示波器测试差分模拟信号的有
效值 Vo_rms,如下图所示:
Vo_rms
图 7
输出有效值示意图
扬声器的功率计算如下:
:扬声器的负载阻抗
L
L
2
L
R
R
)
rms
_
Vo
(
P



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