參數(shù)資料
型號(hào): LM4809MDC
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 音頻/視頻放大
英文描述: 0.105 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC
封裝: DIE
文件頁數(shù): 13/21頁
文件大?。?/td> 946K
代理商: LM4809MDC
National P/N LM4809 - LM4809 Dual 105mW Headphone Amplifier with Active-Low Shutdown Mode
LM4809 MDC
Full production
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tray
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LM4809 MWC
Full production
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wafer
jar
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General Description
The LM4809 is a dual audio power amplifier capable of delivering 105mW per channel of continuous average
power into a 16
load with 0.1% (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. Since the LM4809 does not require bootstrap capacitors or snubber
networks, it is optimally suited for low-power portable systems.
The unity-gain stable LM4809 can be configured by external gain-setting resistors.
The LM4809 features an externally controlled, active-low, micropower consumption shutdown mode, as well
as an internal thermal shutdown protection mechanism.
Features
q
Active-low shutdown mode
q
"Click and Pop" reduction circuitry
q
Low shutdown current
q
LLP, MSOP, and SO surface mount packaging
q
No bootstrap capacitors required
q
Unity-gain stable
Key Specification
THD+N at 1kHz at 105mW continuous average power into 16
0.1% (typ)
THD+N at 1kHz at 70mW continuous average power into 32
0.1% (typ)
Shutdown Current 0.4A (typ)
Applications
q
Headphone Amplifier
q
Personal Computers
q
Microphone Preamplifier
q
PDA's
[Information as of 5-Aug-2002]
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4809MM 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
LM4809MM/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
LM4809MMX 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
LM4809MMX/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
LM4809MX 制造商:Rochester Electronics LLC 功能描述:- Bulk