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參數(shù)資料
| 型號： | LM4861M |
| 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 Mode |
| 中文描述： | 1.1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封裝： | 0.150 INCH, SOIC-8 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 218K |
| 代理商： | LM4861M |
LM4861
1.1W Audio Power Amplifier with Shutdown Mode
General Description
The LM4861 is a bridge-connected audio power amplifier ca-
pable of delivering 1.1W of continuous average power to an
8
load with 1% (THD) using a 5V power supply.
Boomer audio power amplifiers were designed specifically to
provide high quality output power with a minimal amount of
external components using surface mount packaging. Since
the LM4861 does not require output coupling capacitors,
bootstrap capacitors, or snubber networks, it is optimally
suited for low-power portable systems.
The LM4861 features an externally controlled, low-power
consumption shutdown mode, as well as an internal thermal
shutdown protection mechanism.
The unity-gain stable LM4861 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
1.0% (max)
1.5W (typ)
0.6 μA (typ)
Features
n
No output coupling capacitors, bootstrap capacitors, or
snubber circuits are necessary
n
Small Outline (SO) packaging
n
Compatible with PC power supplies
n
Thermal shutdown protection circuitry
n
Unity-gain stable
n
External Gain Configuration Capability
Applications
n
Personal computers
n
Portable consumer products
n
Self-powered speakers
n
Toys and games
Typical Application
Connection Diagram
Boomer
is a registered trademark of National Semiconductor Corporation.
DS011986-1
FIGURE 1. Typical Audio Amplifier Application Circuit
Small Outline Package
DS011986-2
Top View
Order Number LM4861M
See NS Package Number M08A
May 1997
L
1999 National Semiconductor Corporation
DS011986
www.national.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4861M | 制造商:Texas Instruments 功能描述:AMP AUDIO 0.5W SMD 4861 SOIC8 |
| LM4861M/NOPB | 功能描述:音頻放大器 1.1W AUDIO POWER AMP 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM4861M-NOPB | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LM4861 1.1W Audio Power Amplifier with Shutdown Mode |
| LM4861MX | 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| LM4861MX/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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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