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LM4819

更新时间: 2024-02-06 23:46:32
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德州仪器 - TI 放大器功率放大器
页数 文件大小 规格书
27页 1566K
描述
LM4819 350mW Audio Power Amplifier with Shutdown Mode

LM4819 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Active零件包装代码:SOIC
包装说明:SOP, SOP8,.25针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.33.00.01Factory Lead Time:1 week
风险等级:0.86Is Samacsys:N
标称带宽:20 kHz商用集成电路类型:AUDIO AMPLIFIER
增益:100 dB谐波失真:10%
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.9 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:0.35 W
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峰值回流温度(摄氏度):260
电源:3/5 V认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Audio/Video Amplifiers
最大压摆率:3 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端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mmBase Number Matches:1

LM4819 数据手册

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LM4819, LM4819MBD  
www.ti.com  
SNAS133D FEBRUARY 2001REVISED MARCH 2013  
LM4819  
350mW Audio Power Amplifier with Shutdown Mode  
Check for Samples: LM4819, LM4819MBD  
1
FEATURES  
DESCRIPTION  
The LM4819 is a mono bridged power amplifier that  
2
WSON, SOIC, and VSSOP Surface Mount  
Packaging  
is capable of delivering 350mWRMS output power into  
a 16load or 300mWRMS output power into an 8Ω  
load with 10% THD+N from a 5V power supply.  
Switch On/Off Click Suppression  
Unity-Gain Stable  
The LM4819 Boomer audio power amplifier is  
designed specifically to provide high quality output  
power and minimize PCB area with surface mount  
Minimum External Components  
KEY SPECIFICATIONS  
packaging and  
a minimal amount of external  
components. Since the LM4819 does not require  
output coupling capacitors, bootstrap capacitors or  
snubber networks, it is optimally suited for low-power  
portable applications.  
THD+N at 1kHz, 350mW Continuous Average  
Output Power into 16Ω: 10% (max)  
THD+N at 1kHz, 300mW Continuous Average  
Output Power into 8Ω: 10% (max)  
The closed loop response of the unity-gain stable  
LM4819 can be configured using external gain-setting  
resistors. The device is available in WSON, VSSOP,  
and SOIC package types to suit various applications.  
Shutdown Current: 0.7μA (typ)  
APPLICATIONS  
General Purpose Audio  
Portable Electronic Devices  
Information Appliances (IA)  
Typical Application  
Figure 1. Typical Audio Amplifier Application Circuit  
Connection Diagrams  
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.  
All trademarks are the property of their respective owners.  
2
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 © 2001–2013, Texas Instruments Incorporated  
 

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