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參數(shù)資料
| 型號： | LM4819M/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.35 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封裝： | SOP-8 |
| 文件頁數(shù)： | 1/21頁 |
| 文件大小： | 616K |
| 代理商： | LM4819M/NOPB |
LM4819
350mW Audio Power Amplifier with Shutdown Mode
General Description
The LM4819 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 LM4819 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 LM4819 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 LM4819
can be configured using external gain-setting resistors. The
device is available in LLP, MSOP, and SO package types to
suit various applications.
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
LLP, SOP, and MSOP 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.
DS200136-1
FIGURE 1. Typical Audio Amplifier Application Circuit
April 2002
LM4819
350mW
Audio
Power
Amplifier
with
Shutdown
Mode
2002 National Semiconductor Corporation
DS200136
www.national.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4819MX | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM4819MX/NOPB | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM4820-6 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Fixed Gain 1 Watt Audio Power Amplifier |
| LM4820IBP-6 | 功能描述:IC AMP AUDIO PWR 1W MONO 8USMD RoHS:否 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機，2-通道（立體聲） 在某負載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風，靜音，短路保護，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
| LM4820IBPX-6 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Fixed Gain 1 Watt Audio Power Amplifier |
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