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参数资料
| 型号： | LM4902MMX/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.675 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封装： | 0.118 INCH, PLASTIC, MSOP-8 |
| 文件页数： | 14/18页 |
| 文件大小： | 772K |
| 代理商： | LM4902MMX/NOPB |
External Components Description
Components
Functional Description
1.
R
i
Inverting input resistance which sets the closed-loop gain in conjunction with R
F. This resistor also forms a
high pass filter with C
i at fc = 1/(2π RiCI).
2.
C
i
Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminals. Also creates a
highpass filter with R
i at fc = 1/(2π RiCi). Refer to the section, Proper Selection of External Components,
for an explanation of how to determine the value of C
i.
3.
R
F
Feedback resistance which sets the closed-loop gain in conjunction with R
i.
4.
C
S
Supply bypass capacitor which provides power supply filtering. Refer to the Power Supply Bypassing
section for information concerning proper placement and selection of the supply bypass capacitor.
5.
C
B
Bypass pin capacitor which provides half-supply filtering. Refer to the Proper Selection of External
Components for information concerning proper placement and selection of C
B.
Typical Performance
Characteristics
THD+N vs Frequency
20029830
20029831
THD+N vs Frequency
20029832
20029833
LM4902
www.national.com
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4903 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:1 Watt Audio Power Amplifier |
| LM4903MM | 制造商:Texas Instruments 功能描述:AMP, AUDIO POWER 1.6W, SMD, LLP-28 |
| LM4903MM/NOPB | 功能描述:IC AMP AUDIO PWR 1.07W AB 8MSOP RoHS:是 类别:集成电路 (IC) >> 线性 - 音頻放大器 系列:Boomer® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:DirectDrive® 类型:H 类 输出类型:耳机，2-通道（立体声） 在某负载时最大输出功率 x 通道数量:35mW x 2 @ 16 欧姆 电源电压:1.62 V ~ 1.98 V 特点:I²C，麦克风，静音，短路保护，音量控制 安装类型:表面贴装 供应商设备封装:25-WLP（2.09x2.09） 封装/外壳:25-WFBGA，WLCSP 包装:带卷 (TR) |
| LM4904 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:1 Watt Audio Power Amplifier |
| LM4904ITL | 制造商:Texas Instruments 功能描述:IC AMP AUDIO 1W SMD 4904 |
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