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參數資料
| 型號： | LM4808MDC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.15 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC |
| 封裝： | DIE |
| 文件頁數： | 1/20頁 |
| 文件大小： | 835K |
| 代理商： | LM4808MDC |
LM4808
Dual 105 mW Headphone Amplifier
General Description
The LM4808 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 using surface mount packaging. Since
the LM4808 does not require bootstrap capacitors or snub-
ber networks, it is optimally suited for low-power portable
systems.
The unity-gain stable LM4808 can be configured by external
gain-setting resistors.
Key Specifications
n
THD+N at 1kHz at 105mW continuous average output
power into 16
0.1% (typ)
n
THD+N at 1kHz at 70mW continuous average output
power into 32
0.1% (typ)
n
Output power at 0.1% THD+N at 1kHz into 32
70mW
(typ)
Features
n
LLP, MSOP, and SOP surface mount packaging
n
Switch on/off click suppression
n
Excellent power supply ripple rejection
n
Unity-gain stable
n
Minimum external components
Applications
n
Headphone Amplifier
n
Personal Computers
n
Portable electronic devices
Typical Application
Boomer is a registered trademark of National Semiconductor Corporation.
10127601
*Refer to the Application Information Section for information concerning proper selection of the input and output coupling capacitors.
FIGURE 1. Typical Audio Amplifier Application Circuit
August 2001
LM4808
Dual
105
mW
Headphone
Amplifier
2001 National Semiconductor Corporation
DS101276
www.national.com
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| LM4808MWC | 0.15 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC |
| LM4808LD/NOPB | 0.15 W, 2 CHANNEL, AUDIO AMPLIFIER, DSO8 |
| LM4808LDX/NOPB | 0.15 W, 2 CHANNEL, AUDIO AMPLIFIER, DSO8 |
| LM4809MDC | 0.105 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC |
| LM4809MWC | 0.105 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LM4808MM | 制造商:Texas Instruments 功能描述:Audio Amp Headphone 2-CH Stereo 0.15W Class-AB 8-Pin MSOP T/R |
| LM4808MM/NOPB | 功能描述:音頻放大器 LM4808 Dual 105 Mw Headphone Amp RoHS:否 制造商:STMicroelectronics 產品: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 |
| LM4808MMX | 制造商:Texas Instruments 功能描述:Audio Amp Headphone 2-CH Stereo 0.15W Class-AB 8-Pin MSOP T/R |
| LM4808MMX/NOPB | 功能描述:音頻放大器 LM4808 Dual 105 Mw Headphone Amp RoHS:否 制造商:STMicroelectronics 產品: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 |
| LM4808MX | 制造商:Texas Instruments 功能描述:Audio Amp Headphone 2-CH Stereo 0.15W Class-AB 8-Pin SOIC N T/R |
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