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LM4878IBPX/NOPB PDF预览

LM4878IBPX/NOPB

更新时间: 2024-01-21 08:33:02
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
16页 515K
描述
1W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA8, MICRO, SMD-8

LM4878IBPX/NOPB 技术参数

是否Rohs认证:符合生命周期:Obsolete
包装说明:FBGA,Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.84Is Samacsys:N
标称带宽:20 kHz商用集成电路类型:AUDIO AMPLIFIER
谐波失真:0.2%JESD-30 代码:R-PBGA-B8
长度:1.97 mm湿度敏感等级:1
信道数量: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标称输出功率:1 W
封装主体材料:PLASTIC/EPOXY封装代码:FBGA
封装形状:RECTANGULAR封装形式:GRID ARRAY, FINE PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
最大压摆率:7 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2 V表面贴装:YES
温度等级:INDUSTRIAL端子形式:BALL
端子节距:0.5 mm端子位置:BOTTOM
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:1.31 mm
Base Number Matches:1

LM4878IBPX/NOPB 数据手册

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October 2002  
LM4878  
1 Watt Audio Power Amplifier in micro SMD package  
with Shutdown Logic Low  
General Description  
The LM4878 is a bridge-connected audio power amplifier  
capable of delivering 1 W of continuous average power to an  
8load with less than .2% (THD) from a 5V power supply.  
Key Specifications  
j
Power Output at 0.2% THD  
1 W (typ)  
j
Shutdown Current  
0.01 µA (typ)  
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 op-  
timally suited for low-power portable applications.  
Features  
n Internal pulldown resistor on shutdown.  
n micro SMD package (see App. note AN-1112)  
n 5V - 2V operation  
n No output coupling capacitors or bootstrap capacitors.  
n Unity-gain stable  
The LM4878 features an externally controlled, low-power  
consumption shutdown mode, as well as an internal thermal  
shutdown protection mechanism.  
n External gain configuration capability  
The unity-gain stable LM4878 can be configured by external  
gain-setting resistors.  
Applications  
n Cellular Phones  
n Portable Computers  
n Low Voltage Audio Systems  
Typical Application  
10136001  
FIGURE 1. Typical Audio Amplifier Application Circuit  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2002 National Semiconductor Corporation  
DS101360  
www.national.com  

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