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LM4878ITP/NOPB PDF预览

LM4878ITP/NOPB

更新时间： 2024-11-04 14:23:47
品牌 Logo 应用领域
德州仪器 - TI 放大器商用集成电路
页数 文件大小 规格书
18页 768K
描述
IC,AUDIO AMPLIFIER,SINGLE,BGA,8PIN,PLASTIC

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LM4878ITP/NOPB 技术参数

是否Rohs认证：符合生命周期：Obsolete
包装说明：FBGA, BGA8,3X3,20Reach Compliance Code：compliant
风险等级：5.83Is Samacsys：N
商用集成电路类型：AUDIO AMPLIFIERJESD-30 代码：S-PBGA-B8
JESD-609代码：e1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：FBGA
封装等效代码：BGA8,3X3,20封装形状：SQUARE
封装形式：GRID ARRAY, FINE PITCH电源：2.6/5 V
认证状态：Not Qualified子类别：Audio/Video Amplifiers
最大压摆率：7 mA表面贴装：YES
温度等级：INDUSTRIAL端子面层：Tin/Silver/Copper (Sn/Ag/Cu)
端子形式：BALL端子节距：0.5 mm
端子位置：BOTTOMBase Number Matches：1

LM4878ITP/NOPB 数据手册

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OBSOLETE  
LM4878  
www.ti.com  
SNAS056D –OCTOBER 2000–REVISED APRIL 2013  
LM4878 Boomer® Audio Power Amplifier Series 1 Watt Audio Power Amplifier in micro  
SMD package with Shutdown Logic Low  
Check for Samples: LM4878  
1
FEATURES  
DESCRIPTION  
The LM4878 is a bridge-connected audio power  
amplifier capable of delivering 1 W of continuous  
average power to an 8Ω load with less than .2%  
(THD) from a 5V power supply.  
2
•
Internal Pulldown Resistor on Shutdown.  
Micro SMD Package (see App. Note AN-1112)  
5V - 2V Operation  
•
•
•
No Output Coupling Capacitors or Bootstrap  
Capacitors  
Boomer audio power amplifiers were designed  
specifically to provide high quality output power with a  
minimal amount of external components. Since the  
LM4878 does not require output coupling capacitors  
or bootstrap capacitors. It is optimally suited for low-  
power portable applications.  
•
•
Unity-Gain Stable  
External Gain Configuration Capability  
APPLICATIONS  
The LM4878 features an externally controlled, low-  
power consumption shutdown mode, as well as an  
internal thermal shutdown protection mechanism.  
•
•
•
Cellular Phones  
Portable Computers  
Low Voltage Audio Systems  
The unity-gain stable LM4878 can be configured by  
external gain-setting resistors.  
KEY SPECIFICATIONS  
•
•
Power Output at 0.2% THD: 1 W (typ)  
Shutdown Current: 0.01 µA (typ)  
Typical Application  
Figure 1. Typical Audio Amplifier Application Circuit  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2000–2013, Texas Instruments Incorporated  
 
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