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參數資料
| 型號： | LM4808MM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Dual 105 mW Headphone Amplifier |
| 中文描述： | 0.15 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封裝： | MSOP-8 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 674K |
| 代理商： | LM4808MM |
LM4808
Dual 105 mW Headphone Amplifier
General Description
The LM4808 is a dual audio power amplifier capable of deliv-
ering 105 mW 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 1 kHz at 105 mW
continuous average output
power into 16
n
THD+N at 1 kHz at 70 mW
continuous average output
power into 32
n
Output power at 0.1% THD+N
at 1 kHz into 32
0.1% (max)
0.1% (typ)
70 mW (typ)
Features
n
SOP and MSOP 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
Microphone Preamplifier
Typical Application
Connection Diagram
Boomer
is a registered trademark of National Semiconductor Corporation.
DS101276-1
*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
SOP & MSOP Package
DS101276-2
Top View
Order Number LM4808M, LM4808MM
See NS Package Number M08A, MUA08A
February 2000
L
2000 National Semiconductor Corporation
DS101276
www.national.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| LM4808MX/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 |
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