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LM49120TL/NOPB PDF预览

LM49120TL/NOPB

更新时间: 2024-01-22 15:08:21
品牌 Logo 应用领域
美国国家半导体 - NSC 放大器商用集成电路
页数 文件大小 规格书
28页 556K
描述
IC AUDIO AMPLIFIER, PBGA16, ROHS COMPLIANT, SMD-16, Audio/Video Amplifier

LM49120TL/NOPB 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:FBGA, BGA16,4X4,20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.18商用集成电路类型:AUDIO AMPLIFIER
JESD-30 代码:R-PBGA-B16JESD-609代码:e1
湿度敏感等级:1端子数量:16
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:BGA16,4X4,20封装形状:RECTANGULAR
封装形式:GRID ARRAY峰值回流温度(摄氏度):260
电源:3.3/5 V认证状态:Not Qualified
子类别:Audio/Video Amplifiers最大压摆率:8 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:BOTTOM
处于峰值回流温度下的最长时间:NOT SPECIFIEDBase Number Matches:1

LM49120TL/NOPB 数据手册

 浏览型号LM49120TL/NOPB的Datasheet PDF文件第2页浏览型号LM49120TL/NOPB的Datasheet PDF文件第3页浏览型号LM49120TL/NOPB的Datasheet PDF文件第4页浏览型号LM49120TL/NOPB的Datasheet PDF文件第5页浏览型号LM49120TL/NOPB的Datasheet PDF文件第6页浏览型号LM49120TL/NOPB的Datasheet PDF文件第7页 
July 15, 2008  
LM49120  
Audio Sub-System with Mono Class AB Loudspeaker  
Amplifier and Stereo OCL/SE Headphone Amplifier  
Speaker:  
General Description  
ꢀꢀRL = 8Ω, BTL, THD+N 1%  
540mW (typ)  
35mW (typ)  
The LM49120 is a compact audio subsystem designed for  
portable handheld applications such as cellular phones. The  
LM49120 combines a mono 1.3W speaker amplifier, stereo  
85mW/ch output capacitorless headphone amplifier, 32 step  
volume control, and an input mixer/multiplexer into a single  
16–bump micro SMD package.  
Headphone:  
ꢀꢀRL = 32Ω, OCL/SE, THD+N 1%  
Features  
RF immunity  
The LM49120 has three input channels: two single-ended  
stereo inputs and a differential mono input. Each input fea-  
tures a 32-step digital volume control. The headphone output  
stage features an 8 step (-18dB – 0dB) attenuator, while the  
speaker output stage has two selectable (0dB/+6dB) gain  
settings. The digital volume control and mode control are pro-  
grammed through a two-wire I2C compatible interface.  
Selectable OCL/SE headphone drivers  
32 Step volume control  
Click and Pop suppression  
Independent speaker and headphone gain settings  
Minimum external components  
Thermal over load protection  
Micro-power shutdown  
Key Specifications  
Space saving 16–bump mciro SMD package  
Thermal shutdown protection  
Micro-power shutdown  
■ꢀOutput power at VDD = 5V:  
Speaker:  
ꢀꢀRL = 8Ω BTL, THD+N 1%  
1.3W (typ)  
I2C Control Interface  
Headphone:  
ꢀꢀRL = 32Ω, SE, THD+N 1%  
Applications  
85mW (typ)  
Mobile Phones  
■ꢀOutput power at VDD = 3.6V:  
Speaker:  
ꢀꢀRL = 8Ω, BTL, THD+N 1%  
PDAs  
Portable Electronics  
632mW (typ)  
■ꢀOutput power at VDD = 3.3V:  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2008 National Semiconductor Corporation  
300375  
www.national.com  

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