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参数资料
| 型号： | LM4866MTE/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 3.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20 |
| 封装： | 6.50 X 4.40 MM, 0.90 MM HEIGHT, EXPOSED PAD, TSSOP-20 |
| 文件页数： | 21/21页 |
| 文件大小： | 1013K |
| 代理商： | LM4866MTE/NOPB |
Typical Performance Characteristics (Continued)
Channel Separation
Power Supply
Rejection Ratio
20018619
20018621
Open Loop
Frequency Response
Supply Current vs
Supply Voltage
20018622
20018623
External Components Description
(Refer to Figure 1.)
Components
Functional Description
1.
R
i
The Inverting input resistance, along with R
f, set the closed-loop gain. Ri, along with Ci, form a high pass
filter with f
c = 1/(2
πR
iCi).
2.
C
i
The input coupling capacitor blocks DC voltage at the amplifier’s input terminals. C
i, along with Ri, create a
highpass filter with f
c = 1/(2
πR
iCi). Refer to the section, SELECTING PROPER EXTERNAL
COMPONENTS, for an explanation of determining the value of C
i.
3.
R
f
The feedback resistance, along with R
i, set the closed-loop gain.
4.
C
s
The supply bypass capacitor. Refer to the POWER SUPPLY BYPASSING section for information about
properly placing, and selecting the value of, this capacitor.
5.
C
B
The capacitor, C
B, filters the half-supply voltage present on the BYPASS pin. Refer to the SELECTING
PROPER EXTERNAL COMPONENTS section for information concerning proper placement and selecting
C
B’s value.
LM4866
www.national.com
9
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| LM4866LQX/NOPB | 3.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC24 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4866MTEX | 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 |
| LM4866MTEX/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 |
| LM4866MTEXNOPB | 制造商:National Semiconductor 功能描述:Audio Amp Speaker 2-CH Stereo 3.2W Class-AB 20-Pin HTSSOP EP T/R 制造商:National Semiconductor 功能描述:Audio Amp Speaker 2-CH Stereo 3.2W Class-AB 20-Pin TSSOP EP T/R |
| LM4867 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Output-Transient-Free Dual 2.1W Audop Amplifier Plus No Coupling Capacitor Stereo Headphone Function |
| LM4867_02 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Output-Transient-Free Dual 2.1W Audop Amplifier Plus No Coupling Capacitor Stereo Headphone Function |
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