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參數(shù)資料
| 型號： | LM4876M |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.1W Audio Power Amplifier with Shutdown Logic Low |
| 中文描述： | 1.5 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 247K |
| 代理商： | LM4876M |
LM4876
1.1W Audio Power Amplifier with Shutdown Logic Low
General Description
The LM4876 is a bridge-connected audio power amplifier ca-
pable of delivering typically 1.1W of continuous average
power to an 8
load with 0.5% (THD) from a 5V power sup-
ply.
Boomer audio power amplifiers were designed specifically to
provide high quality output power with a minimal amount of
external components. Since the LM4876 does not require
output coupling capacitors, bootstrap capacitors, or snubber
networks, it is optionally suited for low-power portable sys-
tems.
The LM4876 features an externally controlled, low-power
consumption shutdown mode, which is achieved by driving
pin 1 with logic low. Additionally, the LM4876 features an in-
ternal thermal shutdown protection mechanism.
The LM4876 is unity-gain stable and can be configured by
external gain-setting resistors.
Key Specifications
n
THD at 1 kHz at 1W continuous
average output power into 8
n
Output power at 10% THD+N
at 1 kHz into 8
n
Shutdown Current
0.5% (max)
1.5W (typ)
0.01 μA (typ)
Features
n
No output coupling capacitors, bootstrap capacitors, or
snubber circuits are necessary
n
Small Outline packaging
n
Unity-gain stable
n
External gain configuration capability
n
Pin compatible with LM4861 and LM4871
Applications
n
Mobile Phones
n
Portable Computers
n
Desktop Computers
n
Low Voltage Audio Systems
Typical Application
Connection Diagram
Boomer
is a registered trademark of National Semiconductor Corporation.
DS101299-1
FIGURE 1. Typical Audio Amplifier Application Circuit
Small Outline Package
DS101299-2
Top View
Order Number LM4876M
See NS Package Number M08A
February 2000
L
2000 National Semiconductor Corporation
DS101299
www.national.com
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM4876M/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 |
| LM4876MM | 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 |
| LM4876MM/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 |
| LM4876MM-NOPB | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LM4876 1.1W Audio Power Amplifier with Logic Low Shutdown |
| LM4876MMX | 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 |
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