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參數(shù)資料
| 型號： | LM4876MWC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.5 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC |
| 封裝： | WAFER |
| 文件頁數(shù)： | 4/13頁 |
| 文件大?。?/td> | 331K |
| 代理商： | LM4876MWC |
National P/N LM4876 - 1.1W Audio Power Amplifier with Logic Low Shutdown
LM4876MMX
10 MSL Full production
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1K+
$0.6900
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LM4876 MDC
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LM4876 MWC
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General Description
The LM4876 is a single 5V supply bridge-connected audio power amplifier capable of delivering 1.1W (typ) of
continuous average power to an 8Ohm load with 0.5% THD+N.
Like other audio amplifiers in the Boomer series, the LM4876 is designed specifically to provide high quality
output power with a minimal amount of external components. The LM4876 does not require output coupling
capacitors, bootstrap capacitors, or snubber networks. It is perfectly suited for low-power portable systems.
The LM4876 features an active low externally controlled, micro-power shutdown mode. Additionally, the
LM4876 features an internal thermal shutdown protection mechanism. For PCB space efficiency, the LM4876
is available in MSOP and SO surface mount packages.
The unity-gain stable LM4876's closed loop gain is set using external resistors.
Features
q
Does not require output coupling capacitors, bootstrap capacitors, or snubber circuits
q
10-pin MSOP and 8-pin SO packages
q
Unity-gain stable
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External gain set
Key Specification
THD+N at 1kHz for 1W continuous average output power into 8Ohm 0.5% (max)
Output power at 1kHz into 8Ohm with 10% THD+N
1.5W (typ)
Shutdown current
0.01A (typ)
Supply voltage range
2.0V to 5.5V
Applications
q
Mobile Phones
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Portable Computers
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Desktop Computers
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Low-Voltage Audio Systems
[Information as of 5-Aug-2002]
file:///H|/imaging/BITTING/cpl/20020808_1/08062002_10/NATL/08062002_HTML/LM4876.html (2 of 3) [09-Aug-2002 2:57:15 PM]
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| LM4878IBPX/NOPB | 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA8 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4876MX | 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 |
| LM4876MX/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 |
| LM4876MX-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 |
| LM4877 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1 Watt Audio Power Amplifier in micro SMD package with Shutdown Logic Low |
| LM4877IBP | 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(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī)，2-通道（立體聲） 在某負(fù)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(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，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) |
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