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參數(shù)資料
| 型號： | LM4882 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 250mW Audio Power Amplifier with Shutdown Mode |
| 中文描述： | 25萬千瓦音頻功率放大器關(guān)斷模式 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 445K |
| 代理商： | LM4882 |
LM4882
250mW Audio Power Amplifier with Shutdown Mode
General Description
The LM4882 is a single-ended audio power amplifier ca-
pable of delivering 250 mW of continuous average power
into an 8
load with 1% (THD + N) from 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 LM4882 does not require bootstrap capacitors or
snubber networks, it is optimally suited for low-power por-
table systems.
The LM4882 features an externally controlled, low power
consumption shutdown mode which is virtually clickless and
popless, as well as an internal thermal shutdown protection
mechanism.
The unity-gain stable LM4882 can be configured by external
gain-setting resistors.
Key Specifications
n
THD + N at 1 kHz at 250 mW
continuous average output
power into 8
n
Output Power at 1% THD + N
at 1kHz into 4
n
THD + N at 1 kHz at 85 mW
continuous average output
power into 32
n
Shutdown Current
1.0% (max)
380mW (typ)
0.1% (typ)
0.7 μA (typ)
Features
n
MSOP surface mount packaging
n
“Click and Pop” Suppression Circuitry
n
Supply voltages from 2.4V–5.5V
n
Operating Temperature 40C to 85C
n
Unity-gain stable
n
External gain configuration capability
n
No bootstrap capacitors, or snubber circuits are
necessary
Applications
n
Personal Computers
n
Cellular Phones
n
General Purpose Audio
Typical Application
Connection Diagram
Boomer
is a registered trademark of National Semiconductor Corporation.
DS100030-1
Application Information
Section for information concerning
*Refer to the
FIGURE 1. Typical Audio Amplifier Application Circuit
MSOP and SOIC Package
DS100030-2
Top View
Order Number LM4882MM or LM4882M
See NS Package Number MUA08A or M08A
January 1998
L
1998 National Semiconductor Corporation
DS100030
www.national.com
相關(guān)PDF資料 |
PDF描述 |
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| LM4882M | 250mW Audio Power Amplifier with Shutdown Mode |
| LM4882MM | 250mW Audio Power Amplifier with Shutdown Mode |
| LM4912 | Stereo 40mW Low Noise Headphone Amplifier |
| LM4912MM | Stereo 40mW Low Noise Headphone Amplifier |
| LM4913 | 2W Monaural, 90mW Stereo Headphone Audio Amplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM48820 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Ground-Referenced, Ultra Low Noise, Fixed Gain, 95mW Stereo Headphone Amplifier |
| LM48820TM | 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 |
| LM48820TM/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 |
| LM48820TMBD | 功能描述:BOARD EVAL GROUND REF AUDIO AMP RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 音頻放大器 系列:Boomer®, PowerWise® 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
| LM48820TMBD/NOPB | 功能描述:音頻 IC 開發(fā)工具 LM48820TMBD EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
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