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参数资料
| 型号： | LM4818M/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.35 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封装： | SOP-8 |
| 文件页数： | 1/16页 |
| 文件大小： | 483K |
| 代理商： | LM4818M/NOPB |
LM4818
350mW Audio Power Amplifier with Shutdown Mode
General Description
The LM4818 is a mono bridged power amplifier that is ca-
pable of delivering 350mW
RMS output power into a 16
load
or 300mW
RMS output power into an 8
load with 10%
THD+N from a 5V power supply.
The LM4818 Boomer audio power amplifier is designed
specifically to provide high quality output power and mini-
mize PCB area with surface mount packaging and a minimal
amount of external components. Since the LM4818 does not
require output coupling capacitors, bootstrap capacitors or
snubber networks, it is optimally suited for low-power por-
table applications.
The closed loop response of the unity-gain stable LM4818
can be configured using external gain-setting resistors. The
device is available in SO package type to suit various appli-
cations.
Key Specifications
n
THD+N at 1kHz, 350mW continuous average output
power into 16
10% (max)
n
THD+N at 1kHz, 300mW continuous average output
power into 8
10% (max)
n
Shutdown Current
0.7A (typ)
Features
n
SOP surface mount packaging.
n
Switch on/off click suppression.
n
Unity-gain stable.
n
Minimum external components.
Applications
n
General purpose audio
n
Portable electronic devices
n
Information Appliances (IA)
Typical Application
Boomer is a registered trademark of National Semiconductor Corporation.
20038901
FIGURE 1. Typical Audio Amplifier Application Circuit
April 2002
LM4818
350mW
Audio
Power
Amplifier
with
Shutdown
Mode
2004 National Semiconductor Corporation
DS200389
www.national.com
相关PDF资料 |
PDF描述 |
|---|---|
| LM4820MMX-6 | 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| LM4820MMX-6/NOPB | 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| LM4820MX-6/NOPB | 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| LM4820MX-6 | 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| LM4820MM-6/NOPB | 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4818MX | 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 |
| LM4818MX/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 |
| LM4819 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:350mW Audio Power Amplifier with Shutdown Mode |
| LM4819LD | 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 |
| LM4819LD/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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