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LM4893MAX/NOPB PDF预览

LM4893MAX/NOPB

更新时间： 2024-09-25 14:52:31
品牌 Logo 应用领域
德州仪器 - TI 放大器光电二极管商用集成电路
页数 文件大小 规格书
22页 701K
描述
IC,AUDIO AMPLIFIER,SINGLE,SOP,8PIN,PLASTIC

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中文翻译

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LM4893MAX/NOPB 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：SOP, SOP8,.25Reach Compliance Code：compliant
风险等级：5.84商用集成电路类型：AUDIO AMPLIFIER
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
湿度敏感等级：1功能数量：1
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP8,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
电源：2.6/5 V认证状态：Not Qualified
子类别：Audio/Video Amplifiers最大压摆率：10 mA
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
Base Number Matches：1

LM4893MAX/NOPB 数据手册

 浏览型号LM4893MAX/NOPB的Datasheet PDF文件第2页浏览型号LM4893MAX/NOPB的Datasheet PDF文件第3页浏览型号LM4893MAX/NOPB的Datasheet PDF文件第4页浏览型号LM4893MAX/NOPB的Datasheet PDF文件第5页浏览型号LM4893MAX/NOPB的Datasheet PDF文件第6页浏览型号LM4893MAX/NOPB的Datasheet PDF文件第7页 
August 2004  
LM4893  
1.1 Watt Audio Power Amplifier  
General Description  
Key Specifications  
The LM4893 is an audio power amplifier primarily designed  
for demanding applications in mobile phones and other por-  
table communication device applications. It is capable of  
delivering 1.1 watt of continuous average power to an 8Ω  
BTL load with less than 1% distortion (THD+N) from a 5VDC  
power supply.  
j
j
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Improved PSRR at 5V, 3V, & 217Hz  
62dB (typ)  
1.1W (typ)  
Higher Power Output at 5V & 1% THD  
Higher Power Output at 3V & 1% THD 350mW (typ)  
Shutdown Current 0.1µA (typ)  
Boomer audio power amplifiers were designed specifically to  
provide high quality output power with a minimal amount of  
external components. The LM4893 does not require output  
coupling capacitors or bootstrap capacitors, and therefore is  
ideally suited for lower-power portable applications where  
minimal space and power consumption are primary require-  
ments.  
Features  
n No output coupling capacitors, snubber networks or  
bootstrap capacitors required  
n Unity gain stable  
n Ultra low current shutdown mode  
n Instantaneous turn-on time  
The LM4893 features a low-power consumption global shut-  
down mode, which is achieved by driving the shutdown pin  
with logic low. Additionally, the LM4893 features an internal  
thermal shutdown protection mechanism.  
n BTL output can drive capacitive loads up to 100pF  
n Advanced pop & click circuitry eliminates noises during  
turn-on and turn-off transitions  
n 2.2V - 5.5V operation  
n Available in space-saving µSMD, SO, and MSOP  
packages  
The LM4893 contains advanced pop & click circuitry which  
eliminates noises which would otherwise occur during  
turn-on and turn-off transitions.  
The LM4893 is unity-gain stable and can be configured by  
external gain-setting resistors.  
Applications  
n Mobile Phones  
n PDAs  
n Portable electronic devices  
Typical Application  
20038001  
FIGURE 1. Typical Audio Amplifier Application Circuit  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2004 National Semiconductor Corporation  
DS200380  
www.national.com  
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