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LM48555TLX/NOPB PDF预览

LM48555TLX/NOPB

更新时间： 2024-11-11 20:02:51
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
14页 300K
描述
IC 1 CHANNEL, AUDIO AMPLIFIER, BGA12, GREEN, MICRO, BGA-12, Audio/Video Amplifier

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中文翻译

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LM48555TLX/NOPB 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：VFBGA, BGA12,3X4,20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.52商用集成电路类型：AUDIO AMPLIFIER
JESD-30 代码：R-XBGA-B12JESD-609代码：e1
长度：1.97 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：12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：BGA12,3X4,20
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：15 mA
最大供电电压 (Vsup)：6.5 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：40宽度：1.463 mm
Base Number Matches：1

LM48555TLX/NOPB 数据手册

 浏览型号LM48555TLX/NOPB的Datasheet PDF文件第2页浏览型号LM48555TLX/NOPB的Datasheet PDF文件第3页浏览型号LM48555TLX/NOPB的Datasheet PDF文件第4页浏览型号LM48555TLX/NOPB的Datasheet PDF文件第5页浏览型号LM48555TLX/NOPB的Datasheet PDF文件第6页浏览型号LM48555TLX/NOPB的Datasheet PDF文件第7页 
March 2007  
LM48555  
Ceramic Speaker Driver  
General Description  
Key Specifications  
The LM48555 is an audio power amplifier designed to drive  
ceramic speakers in applications such as cell phones, smart  
phones, PDAs and other portable devices. The LM48555 pro-  
duces 15.7VP-P with less than 1% THD+N while operating  
from a 3.2V power supply. The LM48555 features a low power  
shutdown mode, and differential inputs for improved noise  
rejection.  
■ꢀIDDQ (Boost Converter + Amplifier)  
at VDD = 5V  
7.5mA (typ)  
■ꢀOutput Voltage Swing  
VDD = 3.2V, THD ≤ 1%  
15.7VP-P (typ)  
80dB (typ)  
■ꢀPower Supply Rejection Ratio  
f = 217Hz  
The LM48555 includes advanced click and pop suppression  
that eliminates audible turn-on and turn-off transients. Addi-  
tionally, the integrated boost regulator features a soft start  
function that minimizes transient current during power-up  
Features  
Fully differential amplifier  
■
■
■
■
Boomer audio power amplifiers were designed specifically to  
provide high quality output power with a minimal number of  
external components. The LM48555 does not require boot-  
strap capacitors, or snubber circuits.  
Externally configurable gain  
Soft start function  
Low power shutdown mode  
The LM48555 is unity-gain stable and uses external gain-set-  
ting resistors.  
Under voltage lockout  
■
Applications  
Mobile phones  
■
■
■
PDA's  
Digital cameras  
Typical Application  
300099c9  
* CF+ and CF- are optional. Refer to “Selecting Input and Feedback Capacitor and Resistor for Audio Amplifier” section.  
FIGURE 1. Typical Audio Amplifier Application Circuit  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2007 National Semiconductor Corporation  
300099  
www.national.com  
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