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LM4844TL PDF预览

LM4844TL

更新时间: 2024-11-07 19:53:47
品牌 Logo 应用领域
美国国家半导体 - NSC 商用集成电路
页数 文件大小 规格书
26页 481K
描述
IC 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, BGA30, 2.50 X 2.90 MM, MICRO, BGA-30, Audio Control IC

LM4844TL 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:2.50 X 2.90 MM, MICRO, BGA-30Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.47信道分离:84 dB
商用集成电路类型:VOLUME CONTROL CIRCUITJESD-30 代码:R-XBGA-B30
JESD-609代码:e0长度:2.949 mm
湿度敏感等级:1频带数量:3
信道数量:2功能数量:1
端子数量:30最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:UNSPECIFIED
封装代码:VFBGA封装等效代码:BGA30,5X6,20
封装形状:RECTANGULAR封装形式:GRID ARRAY, VERY THIN PROFILE, FINE PITCH
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:0.675 mm
子类别:Audio/Video Amplifiers最大压摆率:20 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):2.7 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn63Pb37)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:40宽度:2.54 mm
Base Number Matches:1

LM4844TL 数据手册

 浏览型号LM4844TL的Datasheet PDF文件第2页浏览型号LM4844TL的Datasheet PDF文件第3页浏览型号LM4844TL的Datasheet PDF文件第4页浏览型号LM4844TL的Datasheet PDF文件第5页浏览型号LM4844TL的Datasheet PDF文件第6页浏览型号LM4844TL的Datasheet PDF文件第7页 
August 2007  
LM4844  
Stereo 1.2W Audio Sub-System with 3D Enhancement  
General Description  
Features  
The LM4844 is an integrated audio sub-system designed for  
stereo cell phone applications. Operating on a 3.3V supply, it  
combines a stereo speaker amplifier delivering 495mW per  
channel into an 8load and a stereo OCL headphone am-  
plifier delivering 33mW per channel into a 32load.  
Stereo speaker amplifier  
Stereo OCL headphone amplifier  
Independent Left, Right, and Mono volume controls  
National 3D enhancement  
I2C compatible interface  
It integrates the audio amplifiers, volume control, mixer, pow-  
er management control, and National 3D enhancement all  
into a single package. In addition, the LM4844 routes and  
mixes the stereo and mono inputs into 10 distinct output  
modes. The LM4844 is controlled through an I2C compatible  
interface.  
Ultra low shutdown current  
Click and Pop Suppression circuit  
10 distinct output modes  
Applications  
Boomer audio power amplifiers are designed specifically to  
provide high quality output power with a minimal amount of  
external components.  
Cell Phones  
PDAs  
The LM4844 is available in a very small 2.5mm x 2.9mm 30-  
bump micro SMD (TL) package.  
Portable Gaming Devices  
Internet Appliances  
Portable DVD, CD, AAC, and MP3 Players  
Key Specifications  
■ꢀPOUT, Stereo BTL, 8, 3.3V,  
1% THD+N  
495mW (typ)  
■ꢀPOUT HP, 32, 3.3V,  
1% THD+N  
33mW (typ)  
0.1μA (typ)  
■ꢀShutdown Current, 3.3V  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2007 National Semiconductor Corporation  
201535  
www.national.com  

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