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参数资料
| 型号： | LM4860MDA |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1.15 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC |
| 封装： | DIE |
| 文件页数： | 1/12页 |
| 文件大小： | 319K |
| 代理商： | LM4860MDA |
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 up to 10 without
the use of external compensation components. Higher gains
may be achieved with suitable compensation.
Key Specifications
n
THD+N at 1W continuous average
output power into 8
: 1% (max)
n
Instantaneous peak output power:
>2W
n
Shutdown current:
0.6A (typ)
Features
n
No output coupling capacitors, bootstrap capacitors, or
snubber circuits are necessary
n
Small Outline (SO) 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 2000
LM4860
1W
Audio
Power
Amplifier
with
Shutdown
Mode
2000 National Semiconductor Corporation
DS011988
www.national.com
相关PDF资料 |
PDF描述 |
|---|---|
| LM4860MWA | 1.15 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC |
| LM4861MWA | 1.1 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC |
| LM4862G-D08-T | 0.8 W, 1 CHANNEL, AUDIO AMPLIFIER, PDIP8 |
| LM4862G-S08-R | 0.8 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| LM4862L-D08-T | 0.8 W, 1 CHANNEL, AUDIO AMPLIFIER, PDIP8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4860M-ND | 制造商:National Semiconductor Corporation 功能描述: 制造商:Texas Instruments 功能描述: |
| LM4860MX | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LM4860MX/NOPB | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LM4861 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:1.1W Audio Power Amplifier with Shutdown Mode |
| LM4861_03 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:1.1W Audio Power Amplifier with Shutdown Mode |
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