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LM48556TLX

更新时间： 2024-11-11 05:42:23
品牌 Logo 应用领域
美国国家半导体 - NSC 驱动器
页数 文件大小 规格书
20页 1017K
描述
Fully Differential, Mono, Ceramic Speaker Driver

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中文翻译

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LM48556TLX 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：FBGA, BGA12,3X4,16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.2商用集成电路类型：AUDIO AMPLIFIER
JESD-30 代码：R-PBGA-B12JESD-609代码：e1
长度：1.996 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：PLASTIC/EPOXY
封装代码：FBGA封装等效代码：BGA12,3X4,16
封装形状：RECTANGULAR封装形式：GRID ARRAY, FINE PITCH
峰值回流温度（摄氏度）：260电源：3.6 V
认证状态：Not Qualified子类别：Audio/Video Amplifiers
最大压摆率：7 mA最大供电电压 (Vsup)：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：1.488 mmBase Number Matches：1

LM48556TLX 数据手册

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December 10, 2008  
LM48556  
Fully Differential, Mono, Ceramic Speaker Driver  
General Description  
Key Specifications  
The LM48556 is a single supply, mono, ceramic speaker driv-  
er with an integrated charge-pump, designed for portable  
devices, such as cell phones, where board space is at a pre-  
mium. The LM48556 charge pump allows the device to deliver  
17.5VPP (typ) from a single 4.5V supply. Additionally, the  
charge pump features a soft start function that minimizes  
transient current during power-up.  
■ꢀOutput Voltage Swing  
VDD = 3.6V, 1kHz  
14.2VPP (typ)  
17.5VPP (typ)  
VDD = 4.5V, 1kHz  
■ꢀPower Supply Rejection Ratio  
f = 217Hz, VDD = 3.6V  
80dB (typ)  
4.8mA (typ)  
0.5ms (typ)  
The LM48556 features high power supply rejection ratio  
(PSRR) of 80dB at 217Hz, allowing the device to operate in  
noisy environments without additional power supply condi-  
tioning. Flexible power supply requirements allow operation  
from 2.7V to 5.0V. Additionally, the LM48556 features a dif-  
ferential input function and an externally configurable gain. A  
low power shutdown mode reduces supply current consump-  
tion to 0.1μA.  
Superior click and pop suppression eliminates audible tran-  
sients on power-up/down and during shutdown. The  
LM48556 is available in an ultra-small 12-bump micro SMD  
package (2mm x 1.5mm).  
■ꢀIDD at VDD = 3.6V  
■ꢀWake-Up Time  
Features  
Fully differential amplifier  
■
Externally configurable gain  
Integrated charge pump  
Low power shutdown mode  
Soft start function  
■
■
■
■
Applications  
Mobile phones  
■
■
■
PDA's  
Digital cameras  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2008 National Semiconductor Corporation  
300572  
www.national.com  
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