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LM4859 PDF预览

LM4859

更新时间: 2024-01-08 23:57:29
品牌 Logo 应用领域
美国国家半导体 - NSC /
页数 文件大小 规格书
29页 1200K
描述
Stereo 1.2W Audio Sub-system with 3D Enhancement

LM4859 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:BGA包装说明:VFBGA, BGA30,5X6,20
针数:30Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.27商用集成电路类型:CONSUMER CIRCUIT
JESD-30 代码:R-PBGA-B30JESD-609代码:e1
长度:2.959 mm湿度敏感等级:1
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:PLASTIC/EPOXY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:21 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/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 SPECIFIED
宽度:2.55 mmBase Number Matches:1

LM4859 数据手册

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November 2004  
LM4859  
Stereo 1.2W Audio Sub-system with 3D Enhancement  
General Description  
Key Specifications  
The LM4859 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 headphone amplifier  
delivering 33mW per channel into a 32load. It integrates  
the audio amplifiers, volume control, mixer, power manage-  
ment control, and National 3D enhancement all into a single  
package. In addition, the LM4859 routes and mixes the  
stereo and mono inputs into 10 distinct output modes. The  
LM4859 is controlled through an I2C compatible interface.  
Other features include an ultra-low current shutdown mode  
and thermal shutdown protection.  
j
POUT, Stereo Loudspeakers, 4, 5V,  
1% THD+N (LM4859SP)  
1.6W (typ)  
1.2W (typ)  
j
POUT, Stereo Loudspeakers, 8, 5V,  
1% THD+N  
j
POUT, Stereo Headphones, 32, 5V,  
1% THD+N  
75mW (typ)  
495mW (typ)  
j
POUT, Stereo Loudspeakers, 8, 3.3V,  
1% THD+N  
j
POUT, Stereo Headphones, 32, 3.3V,  
1% THD+N  
33mW (typ)  
0.06µA (typ)  
Boomer audio power amplifiers are designed specifically to  
provide high quality output power with a minimal amount of  
external components.  
j
Shutdown Current  
The LM4859 is available in a 28–lead LLP package.  
Features  
n Stereo speaker amplifier  
n Stereo headphone amplifier  
n Independent Left, Right, and Mono volume controls  
n National 3D enhancement  
n I2C compatible interface  
n Ultra low shutdown current  
n Click and Pop Suppression circuit  
n 10 distinct output modes  
n Thermal Shutdown Protection  
n Available in an LLP package  
Applications  
n Cell Phones  
n PDAs  
n Portable Gaming Devices  
n Internet Appliances  
n Portable DVD/CD/AAC/MP3 players  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2004 National Semiconductor Corporation  
DS201061  
www.national.com  

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