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參數資料
| 型號： | LM4862 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 675 mW Audio Power Amplifier with Shutdown Mode |
| 中文描述： | 675毫瓦音頻功率放大器關斷模式 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 262K |
| 代理商： | LM4862 |
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
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PDF描述 |
|---|---|
| LM4862M | 675 mW Audio Power Amplifier with Shutdown Mode |
| 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 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LM4862G-D08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:AUDIO POWER AMPLIFIER WITH SHUTDOWN MODE |
| LM4862G-S08-R | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:AUDIO POWER AMPLIFIER WITH SHUTDOWN MODE |
| LM4862L-D08-T | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:AUDIO POWER AMPLIFIER WITH SHUTDOWN MODE |
| LM4862L-S08-R | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:AUDIO POWER AMPLIFIER WITH SHUTDOWN MODE |
| LM4862M | 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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