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NS4158 Datasheet(HTML) 3 Page - List of Unclassifed Manufacturers

Part No. NS4158
Description  Breaking sound (NCN) function, software,
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Maker  ETC2 [List of Unclassifed Manufacturers]
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NS4158 Datasheet(HTML) 3 Page - List of Unclassifed Manufacturers

 
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 3 page
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N
NS
S4
41
15
58
8
5W单声道D类音频功放
1
功能说明 ........................................................................................................................................................... 5
2
主要特性 ........................................................................................................................................................... 5
3
应用领域 ........................................................................................................................................................... 5
4
典型应用电路.................................................................................................................................................... 5
5
极限参数 ........................................................................................................................................................... 6
6
电气特性 ........................................................................................................................................................... 6
7
芯片管脚描述.................................................................................................................................................... 7
7.1
NS4158 封装管脚分配图 ................................................................................................................. 7
7.2
NS4158 引脚功能描述 ..................................................................................................................... 8
7.3
NS415U封装管脚分配图 ................................................................................................................. 8
7.4
NS415U引脚功能描述 ..................................................................................................................... 8
8
NS4158 典型参考特性...................................................................................................................................... 9
9
NS4158 应用说明............................................................................................................................................ 12
9.1
芯片基本结构描述
......................................................................................................................... 12
9.2
防破音(
NCN)功能..................................................................................................................... 12
9.3
NS4158 应用参数设置 ................................................................................................................... 13
9.3.1
增益计算
......................................................................................................................................... 13
9.3.2
输入电容
Ci和输入电阻Ri选择...................................................................................................... 13
9.3.3
旁路电容
Cb选择............................................................................................................................. 13
9.3.4
电源滤波电容选择
......................................................................................................................... 13
9.3.5
工作模式设置
................................................................................................................................. 13
9.3.6
磁珠与电容
..................................................................................................................................... 14
9.4
上电
,掉电噪声抑制 ....................................................................................................................... 15
9.5
效率
................................................................................................................................................. 15
9.6
保护电路
......................................................................................................................................... 15
10
芯片的封装 ..................................................................................................................................................... 16
Nsiway
33


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