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参数资料
| 型号： | LM4908LQ/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.157 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC8 |
| 封装： | LLP-8 |
| 文件页数： | 1/21页 |
| 文件大小： | 935K |
| 代理商： | LM4908LQ/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
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4908MA | 制造商:Texas Instruments 功能描述:AMP HEADPHONE 85MW 4908 SOIC8 |
| LM4908MA/NOPB | 制造商:Texas Instruments 功能描述:Audio Amp Headphone 2-CH Stereo 0.175W Class-AB 8-Pin SOIC N Rail |
| LM4908MABD | 功能描述:BOARD EVALUATION LM4908MA RoHS:否 类别:编程器，开发系统 >> 评估板 - 音频放大器 系列:Boomer® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- |
| LM4908MM | 制造商:Texas Instruments 功能描述:AMP HEADPHONE 120MW 4908 MSOP8 |
| LM4910 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Output Capacitor-less Stereo 35mW Headphone Amplifier |
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