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参数资料
| 型号： | LM4866MTX/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20 |
| 封装： | 4.40 MM, PLASTIC, TSSOP-20 |
| 文件页数： | 1/21页 |
| 文件大小： | 644K |
| 代理商： | LM4866MTX/NOPB |
LM4866
2.2W Stereo Audio Amplifier
General Description
The LM4866 is a bridge-connected (BTL) stereo audio
power amplifier which, when connected to a 5V supply,
delivers 2.2W to a 4
load (Note 1) or 2.5W to a 3 load
(Note 2) with less than 1.0% THD+N.
With the LM4866 packaged in the LLP, the customer benefits
include low thermal impedance, low profile, and small size.
This package minimizes PCB area and maximizes output
power.
The LM4866 features an externally controlled, low-power
consumption shutdown mode, and thermal shutdown protec-
tion. It also utilizes circuitry to reduce “clicks and pops”
during device turn-on.
Boomer audio power amplifiers are designed specifically to
use few external components and provide high quality output
power in a surface mount package.
Note 1: An LM4866MTE or LM4866LQ that has been properly mounted to
a circuit board will deliver 2.2W into 4
. The other package options for the
LM4866 will deliver 1.1W into 8
. See the Application Information sections
for further information concerning the LM4866MTE and LM4866LQ.
Note 2: An LM4866MTE or LM4866LQ that has been properly mounted to a
circuit board will deliver 2.5W into 3
.
Key Specifications
n
P
O at 1% THD+N
n
LM4866LQ, 3
,4 loads
2.5W(typ), 2.2W(typ)
n
LM4866MTE, 3
,4 loads
2.5W(typ), 2.2W(typ)
n
LM4866MTE, 8
load
1.1W(typ)
n
LM4866MT, 8
load
1.1W(typ)
n
Shutdown current
0.7A(typ)
n
Supply voltage range
2.0V to 5.5V
Features
n
Stereo BTL amplifier mode
n
“Click and pop” suppression circuitry
n
Unity-gain stable
n
Thermal shutdown protection circuitry
n
TSSOP and Exposed-DAP LLP packages
Applications
n
Multimedia monitors
n
Portable and desktop computers
n
Portable televisions
Typical Application
20018601
Note: Pin out shown for LLP package. Refer to the Connection Diagrams for the pinout of the TSSOP package.
Boomer is a registered trademark of National Semiconductor Corporation.
October 2002
LM4866
2.2W
Stereo
Audio
Amplifier
2002 National Semiconductor Corporation
DS200186
www.national.com
相关PDF资料 |
PDF描述 |
|---|---|
| LM4868MTE/NOPB | 3 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20 |
| LM4868MTEX/NOPB | 3 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20 |
| LM4868MT/NOPB | 1.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20 |
| LM4868MTX/NOPB | 1.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20 |
| LM4868LQ/NOPB | 3 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC24 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4867 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Output-Transient-Free Dual 2.1W Audop Amplifier Plus No Coupling Capacitor Stereo Headphone Function |
| LM4867_02 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Output-Transient-Free Dual 2.1W Audop Amplifier Plus No Coupling Capacitor Stereo Headphone Function |
| LM4867A E WAF | 制造商:Texas Instruments 功能描述: |
| LM4867LQ | 功能描述:IC AMP AUDIO PWR 3W STER 24LLP RoHS:否 类别:集成电路 (IC) >> 线性 - 音頻放大器 系列:Boomer® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:DirectDrive® 类型:H 类 输出类型:耳机，2-通道（立体声） 在某负载时最大输出功率 x 通道数量:35mW x 2 @ 16 欧姆 电源电压:1.62 V ~ 1.98 V 特点:I²C，麦克风，静音，短路保护，音量控制 安装类型:表面贴装 供应商设备封装:25-WLP（2.09x2.09） 封装/外壳:25-WFBGA，WLCSP 包装:带卷 (TR) |
| LM4867LQ/NOPB | 制造商:Texas Instruments 功能描述:Audio Amp Headphone/Speaker 2-CH Stereo 3W Class-AB 24-Pin LLP EP T/R |
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