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参数资料
| 型号： | LM4915LQ/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.4 W, 1 CHANNEL, AUDIO AMPLIFIER, QCC8 |
| 封装： | LLP-8 |
| 文件页数： | 6/11页 |
| 文件大小： | 516K |
| 代理商： | LM4915LQ/NOPB |
Electrical Characteristics V
Note 9: See ISD distribution values shown in the ISD Distribution curve, VDD =5VandV=3V, shown in the Typical Performance Characteristics section.
External Components Description (Figure 1)
Components
Functional Description
1.
C
B
Bypass pin capacitor that provides half-supply filtering. Refer to the section Proper Selection of External
Components for information concerning proper placement and selection of C
B.
2.
C
i
Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminals. Also creates a
high-pass filter with the internal input resistance R
i. For the LM4915, Ri = 20k
, thus creating a high-pass
filter f
c = 1/(2
πR
iCi). Refer to the section Proper Selection of External Components for an explanantion of
how to determine the value of C
i.
Typical Performance Characteristics
THD+N vs Frequency
V
DD = 5V, RL =16
THD+N vs Frequency
V
DD = 5V, RL =32
200482C6
200482C7
THD+N vs Frequency
V
DD = 3V, RL =16
,P
O = 100mW
THD+N vs Frequency
V
DD = 3V, RL =32
,P
O = 80mW
200482C4
200482C5
LM4915
www.national.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4915LQX | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LM4915LQX/NOPB | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LM4916 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:1.5V, Mono 85mW BTL Output, 14mW Stereo Headphone Audio Amplifier |
| LM4916LD | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LM4916LD/NOPB | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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