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LM4995

更新时间： 2024-01-16 19:00:25
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
22页 954K
描述
1.3 W Audio Power Amplifier

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LM4995 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：VFBGA, BGA9,3X3,16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：5.14
商用集成电路类型：AUDIO AMPLIFIERJESD-30 代码：S-PBGA-B9
JESD-609代码：e1长度：1.21 mm
湿度敏感等级：1信道数量：1
功能数量：1端子数量：9
最高工作温度：85 °C最低工作温度：-40 °C
标称输出功率：1.3 W封装主体材料：PLASTIC/EPOXY
封装代码：VFBGA封装等效代码：BGA9,3X3,16
封装形状：SQUARE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：2.5 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：2.4 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：0.4 mm端子位置：BOTTOM
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：1.21 mm
Base Number Matches：1

LM4995 数据手册

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LM4995, LM4995TMBD  
www.ti.com  
SNAS329G –APRIL 2006–REVISED APRIL 2013  
LM4995  
1.3 W Audio Power Amplifier  
Check for Samples: LM4995, LM4995TMBD  
1
FEATURES  
DESCRIPTION  
The LM4995 is an audio power amplifier primarily  
designed for demanding applications in mobile  
phones and other portable communication device  
applications. It is capable of delivering 1.2W of  
continuous average power to an 8Ω BTL load with  
less than 1% distortion (THD+N) from a 5VDC power  
supply.  
2
•
Available in Space-Saving 0.4mm Pitch  
DSBGA Package  
•
•
•
Ultra Low Current Shutdown Mode  
BTL Output Can Drive Capacitive Loads  
Improved Click and Pop Circuitry Eliminates  
Noise during Turn-On and Turn-Off Transitions  
Boomer audio power amplifiers were designed  
specifically to provide high quality output power with a  
minimal amount of external components. The  
LM4995 does not require output coupling capacitors  
or bootstrap capacitors, and therefore is ideally suited  
for mobile phone and other low voltage applications  
where minimal power consumption is a primary  
requirement.  
•
•
2.4 - 5.5V Operation  
No Output Coupling Capacitors, Snubber  
Networks or Bootstrap Capacitors Required  
•
•
•
Unity-Gain Stable  
External Gain Configuration Capability  
WSON Package: 0.5mm Pitch, 3 x 3 mm  
The LM4995 features a low-power consumption  
shutdown mode, which is achieved by driving the  
shutdown pin with logic low. Additionally, the LM4995  
features an internal thermal shutdown protection  
mechanism.  
APPLICATIONS  
•
•
•
Mobile Phones  
PDAs  
Portable electronic devices  
The LM4995 contains advanced click and pop  
circuitry which eliminates noise which would  
otherwise occur during turn-on and turn-off  
transitions.  
KEY SPECIFICATIONS  
•
•
PSRR at 3.6V (217Hz & 1kHz): 75 dB  
Output Power at 5.0V, 1% THD+N, 8Ω:  
The LM4995 is unity-gain stable and can be  
configured by external gain-setting resistors.  
1.3 W (typ)  
•
•
Output Power at 3.6V, 1% THD+N, 8Ω:  
625 mW (typ)  
Shutdown Current: 0.01µA (typ)  
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 © 2006–2013, Texas Instruments Incorporated  
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