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參數(shù)資料
| 型號： | LM4860 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Series 1W Audio Power Amplifier with Shutdown Mode |
| 中文描述： | 系列1W音頻功率放大器關(guān)斷模式 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 278K |
| 代理商： | LM4860 |
LM4860
Series 1W Audio Power Amplifier with Shutdown Mode
General Description
The LM4860 is a bridge-connected audio power amplifier ca-
pable of delivering 1W of continuous average power to an
8
load with less than 1% (THD+N) over the audio spectrum
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 LM4860 does not require output coupling capacitors,
bootstrap capacitors or snubber networks, it is optimally
suited for low-power portable systems.
The LM4860 features an externally controlled, low-power
consumption shutdown mode, as well as an internal thermal
shutdown protection mechanism. It also includes two head-
phone control inputs and a headphone sense output for ex-
ternal monitoring.
The unity-gain stable LM4860 can be configured by external
gain setting resistors for differential gains of 1 to 10 without
the use of external compensation components.
Key Specifications
n
THD+N at 1W continuous average
output power into 8
:
n
Instantaneous peak output power:
>
2W
n
Shutdown current:
1% (max)
0.6 μA (typ)
Features
n
No output coupling capacitors, bootstrap capacitors, or
snubber circuits are necessary
n
Small Outline (SO) power packaging
n
Compatible with PC power supplies
n
Thermal shutdown protection circuitry
n
Unity-gain stable
n
External gain configuration capability
n
Two headphone control inputs and headphone sensing
output
Applications
n
Personal computers
n
Portable consumer products
n
Cellular phones
n
Self-powered speakers
n
Toys and games
Typical Application
Connection Diagram
The
Boomer
registered trademark is licensed to National Semiconductor for audio integrated circuits by Rockford Corporation.
Patents pending.
DS011988-1
FIGURE 1. Typical Audio Amplifier Application Circuit
Small Outline Package
DS011988-2
Top View
Order Number LM4860M
See NS Package Number M16A
August 1994
L
1999 National Semiconductor Corporation
DS011988
www.national.com
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM4860M | Series 1W Audio Power Amplifier with Shutdown Mode |
| LM4861 | 1.1W Audio Power Amplifier with Shutdown Mode |
| LM4861M | 1.1W Audio Power Amplifier with Shutdown Mode |
| LM4872IBP | 1 Watt Audio Power Amplifier in micro SMD package |
| LM4872 | 1 Watt Audio Power Amplifier in micro SMD package |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4860_00 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Series 1W Audio Power Amplifier with Shutdown Mode |
| LM4860M | 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 |
| LM4860M | 制造商:Texas Instruments 功能描述:IC AMP AUDIO 1W SMD 4860 SOIC16 |
| LM4860M/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 |
| LM4860M_NOPB | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Series 1W Audio Power Amplifier with Shutdown Mode |
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