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參數(shù)資料
| 型號： | LM4862MDA |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.825 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC |
| 封裝： | DIE |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 306K |
| 代理商： | LM4862MDA |
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 675mW of continuous average
power to an 8
load with 1% THD+N from a 5V power sup-
ply.
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+N for 500mW continuous average
output power at 1kHz into 8
1% (max)
n
Output power at 10% THD+N at 1kHz
into
8
825mW (typ)
n
Shutdown Current
0.7A (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
*Refer to the Application Information section for information
concerning proper selection of the input coupling capacitor.
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
August 2000
LM4862
675
mW
Audio
Power
Amplifier
with
Shutdown
Mode
2000 National Semiconductor Corporation
DS012342
www.national.com
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM4862MWA | 0.825 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC |
| LM4863M/NOPB | 1.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO16 |
| LM4863MTE/NOPB | 3.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20 |
| LM4863MT/NOPB | 1.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20 |
| LM4863MDC | 1.5 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4862MX | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)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(chǎn)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(fēng)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 |
| LM4863 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual 2.2W Audio Amplifier Plus Stereo Headphone Function |
| LM4863_06 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual 2.2W Audio Amplifier Plus Stereo Headphone Function |
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