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参数资料
| 型号： | LM4880MDA |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.325 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC |
| 封装： | DIE |
| 文件页数： | 10/15页 |
| 文件大小： | 418K |
| 代理商： | LM4880MDA |
Automatic Shutdown Circuit
Automatic Switching Circuit
External Components Description (Figure 1)
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/(2πRiCi).
2.
C
i
Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminals. Also
creates a high pass filter with R
i at fc = 1/(2πRiCi). 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 closed-loop gain in conjunction with R
i.
DS012343-3
FIGURE 2. Automatic Shutdown Circuit
DS012343-4
FIGURE 3. Automatic Switching Circuit
LM4880
www.national.com
4
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| LM4880MWA | 0.325 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4880MX | 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 |
| LM4880MX/NOPB | 功能描述:音频放大器 Dual 200 mW Audio Pwr Amp 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 |
| LM4880N | 功能描述:IC AMP AUDIO PWR .325W STER 8DIP RoHS:否 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) |
| LM4880-SH2-R | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:DUAL 250mW AUDIO POWER AMPLIFIER WITH SHUTDOWN MODE |
| LM4880-SH2-T | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:DUAL 250mW AUDIO POWER AMPLIFIER WITH SHUTDOWN MODE |
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