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LM4950TA/NOPB PDF预览

LM4950TA/NOPB

更新时间： 2024-02-20 03:34:22
品牌 Logo 应用领域
德州仪器 - TI 商用集成电路放大器功率放大器
页数 文件大小 规格书
30页 3428K
描述
3.1W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM9, PLASTIC, TO-220, 9 PIN

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LM4950TA/NOPB 技术参数

是否无铅： 不含铅生命周期：Active
零件包装代码：D2PAK包装说明：,
针数：4Reach Compliance Code：unknown
风险等级：5.82标称带宽：20 kHz
商用集成电路类型：AUDIO AMPLIFIERJESD-30 代码：R-PSSO-G9
JESD-609代码：e1长度：10.16 mm
湿度敏感等级：1信道数量：2
功能数量：1端子数量：9
最高工作温度：85 °C最低工作温度：-40 °C
标称输出功率：3.1 W封装主体材料：PLASTIC/EPOXY
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260认证状态：COMMERCIAL
座面最大高度：4.72 mm最大供电电压 (Vsup)：16 V
最小供电电压 (Vsup)：9.6 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：TIN SILVER COPPER
端子形式：GULL WING端子节距：0.97 mm
端子位置：SINGLE处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：8.69 mm

LM4950TA/NOPB 数据手册

 浏览型号LM4950TA/NOPB的Datasheet PDF文件第2页浏览型号LM4950TA/NOPB的Datasheet PDF文件第3页浏览型号LM4950TA/NOPB的Datasheet PDF文件第4页浏览型号LM4950TA/NOPB的Datasheet PDF文件第5页浏览型号LM4950TA/NOPB的Datasheet PDF文件第6页浏览型号LM4950TA/NOPB的Datasheet PDF文件第7页 
LM4950  
www.ti.com  
SNAS174E –JULY 2003–REVISED MAY 2013  
LM4950 Boomer ™ Audio Power Amplifier Series 7.5W Mono-BTL or 3.1W Stereo Audio  
Power Amplifier  
Check for Samples: LM4950  
1
FEATURES  
DESCRIPTION  
The LM4950 is a dual audio power amplifier primarily  
designed for demanding applications in flat panel  
monitors and TV's. It is capable of delivering 3.1  
watts per channel to a 4Ω single-ended load with less  
than 1% THD+N or 7.5 watts mono BTL to an 8Ω  
load, with less than 10% THD+N from a 12VDC power  
supply.  
23  
•
Pop & Click Circuitry Eliminates Noise During  
Turn-On and Turn-Off Transitions  
•
•
•
•
•
•
•
Low Current, Active-Low Shutdown Mode  
Low Quiescent Current  
Stereo 3.1W Output, RL = 4Ω  
Mono 7.5W BTL Output, RL = 8Ω  
Short Circuit Protection  
Boomer audio power amplifiers were designed  
specifically to provide high quality output power with a  
minimal amount of external components. The  
LM4950 does not require bootstrap capacitors or  
snubber circuits. Therefore, it is ideally suited for  
display applications requiring high power and minimal  
size.  
Unity-Gain Stable  
External Gain Configuration Capability  
KEY SPECIFICATIONS  
•
•
Quiescent Power Supply Current 16mA (typ)  
POUT (SE)  
The LM4950 features a low-power consumption  
active-low shutdown mode. Additionally, the LM4950  
features an internal thermal shutdown protection  
mechanism along with short circuit protection.  
–
VDD = 12V, RL = 4Ω, 1% THD+N: 3.1W (typ)  
•
•
POUT (BTL)  
–
VDD = 12V, RL = 8Ω, 10% THD+N: 7.5W (typ)  
The LM4950 contains advanced pop & click circuitry  
that eliminates noises which would otherwise occur  
during turn-on and turn-off transitions.  
Shutdown Current 40μA (typ)  
APPLICATIONS  
The LM4950 is a unity-gain stable and can be  
configured by external gain-setting resistors.  
•
•
•
Flat Panel Monitors  
Flat Panel TVs  
Computer Sound Cards  
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
3
is a trademark of ~ Texas Instruments Incorporated.  
All other 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 © 2003–2013, Texas Instruments Incorporated  
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