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參數資料
型號: LM4862M
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 音頻/視頻放大
英文描述: 675 mW Audio Power Amplifier with Shutdown Mode
中文描述: 0.825 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝: 0.150 INCH, SOIC-8
文件頁數: 1/10頁
文件大小: 262K
代理商: LM4862M
LM4862
675 mW Audio Power Amplifier with Shutdown Mode
General Description
The LM4862 is a bridge-connected audio power amplifier ca-
pable of delivering typically 675 mW of continuous average
power to an 8
load with 1% (THD) 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 LM4862 does not require
output coupling capacitors, bootstrap capacitors, or snubber
networks, it is optimally suited for low-power portable sys-
tems.
The LM4862 features an externally controlled, low-power
consumption shutdown mode, as well as an internal thermal
shutdown protection mechanism.
The unity-gain stable LM4862 can be configured by external
gain-setting resistors.
Key Specifications
n
THD at 500 mW continuous average
output power at 1 kHz into 8
n
Output power at 10% THD+N at
1 kHz into 8
n
Shutdown Current
1% (max)
825 mW (typ)
0.7 μA (typ)
Features
n
No output coupling capacitors, bootstrap capacitors or
snubber circuits are necessary
n
Small Outline or DIP packaging
n
Unity-gain stable
n
External gain configuration capability
n
Pin compatible with LM4861
Applications
n
Portable Computers
n
Cellular Phones
n
Toys and Games
Typical Application
Connection Diagram
Boomer
is a registered trademark of National Semiconductor Corporation.
DS012342-1
Application Information
section for information
*Refer to the
FIGURE 1. Typical Audio Amplifier Application Circuit
Small Outline and DIP Package
DS012342-2
Top View
Order Number LM4862M, LM4862N
See NS Package Number M08A or N08E
May 1997
L
1999 National Semiconductor Corporation
DS012342
www.national.com
相關PDF資料
PDF描述
LM4863 Dual 2.2W Audio Amplifier Plus Stereo Headphone Function
LM4863M Dual 2.2W Audio Amplifier Plus Stereo Headphone Function
LM4863MT Dual 2.2W Audio Amplifier Plus Stereo Headphone Function
LM4863MTE Dual 2.2W Audio Amplifier Plus Stereo Headphone Function
LM4863N Dual 2.2W Audio Amplifier Plus Stereo Headphone Function
相關代理商/技術參數
參數描述
LM4862M/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
LM4862M/NOPB 制造商:Texas Instruments 功能描述:Audio Power Amplifier
LM4862MX 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
LM4862MX/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
LM4862N 制造商:NSC 制造商全稱:National Semiconductor 功能描述:675 mW Audio Power Amplifier with Shutdown Mode
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