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LM4962TLX/NOPB PDF预览

LM4962TLX/NOPB

更新时间： 2024-01-28 16:10:00
品牌 Logo 应用领域
德州仪器 - TI 放大器商用集成电路
页数 文件大小 规格书
23页 925K
描述
AUDIO AMPLIFIER

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LM4962TLX/NOPB 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：FBGA, BGA20,4X5,20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.54商用集成电路类型：AUDIO AMPLIFIER
JESD-30 代码：R-PBGA-B20JESD-609代码：e1
湿度敏感等级：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：PLASTIC/EPOXY
封装代码：FBGA封装等效代码：BGA20,4X5,20
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：3/5 V
认证状态：Not Qualified子类别：Audio/Video Amplifiers
最大压摆率：12 mA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
Base Number Matches：1

LM4962TLX/NOPB 数据手册

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LM4962  
www.ti.com  
SNAS300D –NOVEMBER 2005–REVISED APRIL 2013  
LM4962  
Ceramic Speaker Driver  
Check for Samples: LM4962  
1
FEATURES  
DESCRIPTION  
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).  
2
•
Click and Pop Circuitry Eliminates Noise  
During Turn-On and Turn-Off Transitions  
Low Current Shutdown Mode  
Low Quiescent Current  
•
•
•
Mono 15Vp-p BTL Output, RL = 2μF+9.4Ω,  
f = 1kHz, 1% THD+N  
•
•
•
•
•
•
•
•
Over-Current Protection  
Over-Voltage Protection  
Unity-Gain Stable  
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 bootstrap capacitors, or  
snubber circuits.  
External Gain Configuration Capability  
Including Band Switch Function  
Leakage Cut Switch (SW-LEAK)  
Soft-Start Function  
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.  
Space-Saving DSBGA Package (2mm x 2.5mm)  
APPLICATIONS  
•
•
•
Smart Phones  
The LM4962 contains advanced click and pop  
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.  
Mobile Phones and Multimedia Terminals  
PDA's, Internet Appliances, and Portable  
Gaming  
•
•
Portable DVD  
The LM4962 is unity-gain stable and can be  
configured by external gain-setting resistors.  
Digital Still Cameras/Camcorders  
KEY SPECIFICATIONS  
•
Quiescent Power Supply Current  
(Boost Converter + Amplifier): 9 mA (typ)  
•
Voltage Swing in BTL at 1% THD,  
f = 1kHz: 15 Vp-p (typ)  
•
•
Shutdown Current: 0.1 μA (typ)  
OVP: 8.5V < VAMP < 9.5 V  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2005–2013, Texas Instruments Incorporated  
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