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LM4905MM/NOPB PDF预览

LM4905MM/NOPB

更新时间： 2024-01-19 05:18:52
品牌 Logo 应用领域
德州仪器 - TI 放大器光电二极管商用集成电路
页数 文件大小 规格书
23页 909K
描述
IC 1.07 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8, MSOP-8, Audio/Video Amplifier

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中文翻译

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LM4905MM/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：MSOP
包装说明：TSSOP, TSSOP8,.19针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：5.68
标称带宽：20 kHz商用集成电路类型：AUDIO AMPLIFIER
谐波失真：1%JESD-30 代码：S-PDSO-G8
JESD-609代码：e3长度：3 mm
湿度敏感等级：1信道数量：1
功能数量：1端子数量：8
最高工作温度：85 °C最低工作温度：-40 °C
标称输出功率：1.07 W封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP8,.19
封装形状：SQUARE封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260电源：2.5/5 V
认证状态：Not Qualified座面最大高度：1.09 mm
子类别：Audio/Video Amplifiers最大压摆率：10 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：2.2 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40宽度：3 mm
Base Number Matches：1

LM4905MM/NOPB 数据手册

 浏览型号LM4905MM/NOPB的Datasheet PDF文件第2页浏览型号LM4905MM/NOPB的Datasheet PDF文件第3页浏览型号LM4905MM/NOPB的Datasheet PDF文件第4页浏览型号LM4905MM/NOPB的Datasheet PDF文件第5页浏览型号LM4905MM/NOPB的Datasheet PDF文件第6页浏览型号LM4905MM/NOPB的Datasheet PDF文件第7页 
OBSOLETE  
LM4905  
www.ti.com  
SNAS182D –FEBRUARY 2003–REVISED APRIL 2013  
LM4905  
1 Watt Audio Power Amplifier  
Check for Samples: LM4905  
1
FEATURES  
DESCRIPTION  
The LM4905 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 watt of  
continuous average power to an 8Ω BTL load with  
less than 1% distortion (THD+N) from a 5VDC power  
supply.  
23  
•
Available in Space-Saving WSON Package  
Ultra Low Current Shutdown Mode  
•
•
•
BTL Output Can Drive Capacitive Loads  
Improved Pop & Click 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  
LM4905 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.  
•
•
2.2 - 5.5V Operation  
No Output Coupling Capacitors, Snubber  
Networks or Bootstrap Capacitors Required  
•
•
Unity-Gain Stable  
External Gain Configuration Capability  
KEY SPECIFICATIONS  
The LM4905 features a low-power consumption  
shutdown mode, which is achieved by driving the  
shutdown pin with logic low. Additionally, the LM4905  
features an internal thermal shutdown protection  
mechanism.  
•
•
•
Improved PSRR at 217Hz & 1KHz: 62dB  
Power Output at 5.0V, 1% THD, 8Ω: 1.07W (typ)  
Power Output at 3.0V, 1% THD, 8Ω: 390mW  
(typ)  
•
Shutdown Current: 0.1μA (typ)  
The LM4905 contains advanced pop & click circuitry  
which eliminates noise which would otherwise occur  
during turn-on and turn-off transitions.  
APPLICATIONS  
•
•
•
Mobile Phones  
PDAs  
The LM4905 is unity-gain stable and can be  
configured by external gain-setting resistors.  
Portable electronic devices  
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
3
Boomer is a registered trademark of Boomer.  
All other 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 © 2003–2013, Texas Instruments Incorporated  
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中文翻译

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LM4905MM/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
TPA701DGN TI

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