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參數(shù)資料
| 型號： | LM4875MMX/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻控制 |
| 英文描述： | 1 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO8 |
| 封裝： | 0.118 INCH, MSOP-8 |
| 文件頁數(shù)： | 7/15頁 |
| 文件大?。?/td> | 664K |
| 代理商： | LM4875MMX/NOPB |
National P/N LM4875 - 750mW Audio Power Amplifier with DC Volume Control and Headphone Switch
The LM4875 is a mono bridged audio power amplifier with DC voltage volume control. The LM4875 is capable
of delivering 750mW of continuous average power into an 8
load with less than 1% THD when powered by
a 5V power supply. Switching between bridged speaker mode and headphone (single ended) mode is
accomplished using the headphone sense pin. To conserve power in portable applications, the LM4875's
micropower shutdown mode (IQ = 0.7A, typ) is activated when less than 300mV is applied to the DC
Vol/SD# pin.
Boomer audio power amplifiers are designed specifically to provide high power audio output while
maintaining high fidelity. They require few external components and operate on low supply voltages.
Features
q
Precision DC voltage volume control
q
Headphone amplifier mode
q
"Click and pop" suppression
q
Shutdown control when volume control pin is low
q
Thermal shutdown protection
Key Specification
PO at 1.0% THD+N into 8
750mW (typ)
PO at 10% THD+N into 8
1W (typ)
Shutdown current
0.7A(typ)
Supply voltage range
2.7V to 5.5V
Applications
q
GSM phones and accessories, DECT, office phones
q
Hand held radio
q
Other portable audio devices
[Information as of 5-Aug-2002]
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| LM4877IBPX/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 |
|---|---|
| LM4875MX | 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 |
| LM4875MX/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 |
| LM4876 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1.1W Audio Power Amplifier with Logic Low Shutdown |
| LM4876_03 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1.1W Audio Power Amplifier with Logic Low Shutdown |
| LM4876M | 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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