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參數資料
| 型號： | LM4908MM/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.157 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封裝： | MSOP-8 |
| 文件頁數： | 1/21頁 |
| 文件大小： | 935K |
| 代理商： | LM4908MM/NOPB |
LM4908
10kV ESD Rated, Dual 120 mW Headphone Amplifier
General Description
The LM4908 is a dual audio power amplifier capable of
delivering 120mW 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 LM4908 does not require bootstrap capacitors or snub-
ber networks, it is optimally suited for low-power portable
systems.
The unity-gain stable LM4908 can be configured by external
gain-setting resistors.
Key Specifications
j THD+N at 1kHz at 120mW
continuous average output power
into 16
0.1% (typ)
j THD+N at 1kHz at 75mW
continuous average output power
into 32
0.1% (typ)
j Output power at 0.1% THD+N
at 1kHz into 32
75mW (typ)
Features
n
Up to 10kV ESD protection on all pins
n
MSOP, SOP, and LLP 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.
20075201
*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
February 2004
10kV
ESD
Rated,
Dual
120
mW
Headphone
Amplifier
2004 National Semiconductor Corporation
DS200752
www.national.com
相關PDF資料 |
PDF描述 |
|---|---|
| LM4908MA/NOPB | 0.157 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| LM4908LQ/NOPB | 0.157 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC8 |
| LM4910MA/NOPB | 0.035 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| LM4910MMX/NOPB | 0.035 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| LM4911LD/NOPB | 0.145 W, 2 CHANNEL, AUDIO AMPLIFIER, DSO10 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LM4910 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Output Capacitor-less Stereo 35mW Headphone Amplifier |
| LM49100 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Mono Class AB Audio Sub-System with a True-Ground Headphone Amplifier |
| LM49100_0709 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Mono Class AB Audio Sub-System with a True-Ground Headphone Amplifier |
| LM49100GR | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:AUDIO SUBSYSTEM SMD MICROARRAY25 |
| LM49100GR/NOPB | 功能描述:音頻放大器 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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