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LM4850LDX PDF预览

LM4850LDX

更新时间: 2024-11-09 21:14:19
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
20页 1112K
描述
0.3W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO14, 0.118 INCH, 0.80 MM PITCH, LLP-14

LM4850LDX 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:VSON, SOLCC14,.16,20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.75标称带宽:20 kHz
商用集成电路类型:AUDIO AMPLIFIERJESD-30 代码:S-PDSO-N14
JESD-609代码:e0长度:4 mm
湿度敏感等级:1信道数量:2
功能数量:1端子数量:14
最高工作温度:85 °C最低工作温度:-40 °C
标称输出功率:0.3 W封装主体材料:PLASTIC/EPOXY
封装代码:VSON封装等效代码:SOLCC14,.16,20
封装形状:SQUARE封装形式:SMALL OUTLINE, VERY THIN PROFILE
峰值回流温度(摄氏度):235电源:2.7/5 V
认证状态:Not Qualified座面最大高度:0.8 mm
子类别:Audio/Video Amplifiers最大压摆率:7 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):2.4 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn85Pb15)端子形式:NO LEAD
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:4 mm
Base Number Matches:1

LM4850LDX 数据手册

 浏览型号LM4850LDX的Datasheet PDF文件第2页浏览型号LM4850LDX的Datasheet PDF文件第3页浏览型号LM4850LDX的Datasheet PDF文件第4页浏览型号LM4850LDX的Datasheet PDF文件第5页浏览型号LM4850LDX的Datasheet PDF文件第6页浏览型号LM4850LDX的Datasheet PDF文件第7页 
July 2002  
LM4850  
Mono 1.5 W / Stereo 300 mW Power Amplifier  
General Description  
Key Specifications  
n Output Power at 1% THD+N, 1kHz:  
The LM4850 is an audio power amplifier capable of deliver-  
ing 1.5W (typ) of continuous average power into a mono 4  
bridged-tied load (BTL) with 1% THD+N or 95mW per chan-  
nel of continuous average power into stereo 32Ω  
single-ended (SE) loads with 1% THD+N, using a 5V power  
supply.  
n
n
n
n
n
n
LM4850LD 3BTL  
LM4850LD 4BTL  
LM4850MM, MT 4BTL  
LM4850LD, MM, MT 8BTL  
LM4850LD, MM, MT 8SE  
LM4850LD, MM, MT 32SE  
1.9W (typ)  
1.7W (typ)  
1.5W (typ)  
1.1W (typ)  
300mW (typ)  
95mW (typ)  
1% (typ)  
The LM4850 can automatically switch between mono BTL  
and stereo SE modes utilizing a headphone sense pin. It is  
ideal for any system that provides both a monaural speaker  
output and a stereo line or headphone output  
n THD+N at 1kHz, 95mW into 32SE  
n Single Supply Operation  
n Shutdown Current  
2.4 to 5.5V  
44µA (typ)  
Boomer audio power amplifiers were designed specifically to  
provide high quality output power with a minimal amount of  
external components. Since the LM4850 does not require  
bootstrap capacitors or snubber networks, it is optimally  
suited for low-power portable systems.  
Features  
n Mono 1.5W BTL or stereo 300mW output  
n Headphone sense  
The LM4850 features an externally controlled, micropower  
consumption shutdown mode and thermal shutdown protec-  
tion. The unity-gain stable LM4850’s gain is set by external  
gain-setting resistors  
Note 1: An LM4850LD that has been properly mounted to a circuit board will  
deliver 1.9W into 3(at 1% THD+N). The other package options for the  
LM4850 will deliver 1.1W into 8(at 1% THD+N). See Application Infor-  
mation sections for further information concerning the LM4850LD,  
LM4850MM, and LM4850MT.  
n “Click and pop” suppression circuitry  
n No bootstrap capacitors required  
n Thermal shutdown protection  
n Unity-gain stable  
n LLP, TSSOP, and MSOP packaging  
Applications  
n Portable computers  
n Desktop computers  
n PDA’s  
n Handheld games  
Typical Application  
20001031  
FIGURE 1. Typical Audio Amplifier Application Circuit  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2002 National Semiconductor Corporation  
DS200010  
www.national.com  

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