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LM4962TLX PDF预览

LM4962TLX

更新时间： 2024-11-25 20:01:59
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
17页 828K
描述
IC 1 CHANNEL, AUDIO AMPLIFIER, BGA20, 2 X 2.50 MM, BGA-20, Audio/Video Amplifier

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LM4962TLX 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：VFBGA, BGA20,4X5,20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.55商用集成电路类型：AUDIO AMPLIFIER
JESD-30 代码：R-XBGA-B20JESD-609代码：e1
长度：2.466 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：20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：BGA20,4X5,20
封装形状：RECTANGULAR封装形式：GRID ARRAY, VERY THIN PROFILE, FINE PITCH
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：12 mA最大供电电压 (Vsup)：5 V
最小供电电压 (Vsup)：3 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宽度：1.97 mm
Base Number Matches：1

LM4962TLX 数据手册

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March 2006  
LM4962  
Ceramic Speaker Driver  
General Description  
Key Specifications  
The LM4962 is an audio power amplifier primarily designed  
for driving Ceramic Speaker for applications in Cell Phones,  
Smart Phones, PDA’s and other portable applications. It is  
capable of driving 15Vpp (typ) BTL with less than 1%  
THD+N from a 3.2VDC power supply. The LM4962 features  
and low power consumption shutdown mode, an internal  
thermal shutdown protection mechanism, along with over  
current protection (OCP) and over voltage protection (OVP).  
j
Quiescent Power Supply Current  
(Boost Converter + Amplifier)  
Voltage Swing in BTL at 1% THD,  
f = 1kHz  
9mA (typ)  
j
15Vp-p (typ)  
0.1µA (typ)  
< <  
8.5V VAMP 9.5V  
j
j
Shutdown Current  
OVP  
Boomer audio power amplifiers were designed specifically to  
provide high quality output power with a minimal number of  
external components. The LM4962 does not require boot-  
strap capacitors, or snubber circuits.  
Features  
n Pop & click circuitry eliminates noise during turn-on and  
turn-off transitions  
The LM4962 also features a Band-Switch function which  
allows the user to use one amplifier device for both receiver  
(earpiece) mode and ringer/loudspeaker mode.  
n Low current shutdown mode  
n Low quiescent current  
n Mono 15Vp-p BTL output, RL = 2µF+9.4Ω, f = 1kHz, 1%  
THD+N  
n Over-current protection  
n Over-Voltage Protection  
The LM4962 contains advanced pop & click circuitry that  
eliminates noises which would otherwise occur during  
turn-on and turn-off transitions. Additionally, the internal  
boost converter features a soft-start function.  
The LM4962 is unity-gain stable and can be configured by  
external gain-setting resistors.  
n Unity-gain stable  
n External gain configuration capability  
n
Including Band switch function  
n Leakage cut switch (SW-LEAK)  
n Soft-Start function  
n Space-saving micro SMD package (2mm x 2.5mm)  
Applications  
n Smart phones  
n Mobile Phones and Multimedia Terminals  
n PDA’s, Internet Appliances, and Portable Gaming  
n Portable DVD  
n Digital still cameras/camcorders  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2006 National Semiconductor Corporation  
DS201422  
www.national.com  
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