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LM4890ITLX/NOPB PDF预览

LM4890ITLX/NOPB

更新时间： 2024-01-31 18:38:30
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
36页 1998K
描述
1W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9, MICRO, SMD-9

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LM4890ITLX/NOPB 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：BGA包装说明：FBGA, BGA9,3X3,20
针数：9Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.56商用集成电路类型：AUDIO AMPLIFIER
JESD-30 代码：S-PBGA-B9JESD-609代码：e1
湿度敏感等级：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封装主体材料：PLASTIC/EPOXY
封装代码：FBGA封装等效代码：BGA9,3X3,20
封装形状：SQUARE封装形式：GRID ARRAY, FINE PITCH
峰值回流温度（摄氏度）：260电源：2.6/5 V
认证状态：Not Qualified子类别：Audio/Video Amplifiers
最大压摆率：10 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

LM4890ITLX/NOPB 数据手册

 浏览型号LM4890ITLX/NOPB的Datasheet PDF文件第2页浏览型号LM4890ITLX/NOPB的Datasheet PDF文件第3页浏览型号LM4890ITLX/NOPB的Datasheet PDF文件第4页浏览型号LM4890ITLX/NOPB的Datasheet PDF文件第5页浏览型号LM4890ITLX/NOPB的Datasheet PDF文件第6页浏览型号LM4890ITLX/NOPB的Datasheet PDF文件第7页 
LM4890  
www.ti.com  
SNAS138L –SEPTEMBER 2001–REVISED MAY 2013  
LM4890  
1 Watt Audio Power Amplifier  
Check for Samples: LM4890  
1
FEATURES  
DESCRIPTION  
The LM4890 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.  
2
•
Available in Space-Saving Packages: DSBGA,  
VSSOP, SOIC, and WSON  
•
•
•
Ultra Low Current Shutdown Mode  
BTL Output Can Drive Capacitive Loads  
Improved Pop & Click Circuitry Eliminates  
Noises 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  
LM4890 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  
•
•
•
Thermal Shutdown Protection  
Unity-Gain Stable  
External Gain Configuration Capability  
The LM4890 features a low-power consumption  
shutdown mode, which is achieved by driving the  
shutdown pin with logic low. Additionally, the LM4890  
features an internal thermal shutdown protection  
mechanism.  
APPLICATIONS  
•
•
•
Mobile Phones  
PDAs  
Portable Electronic Devices  
The LM4890 contains advanced pop & click circuitry  
which eliminates noises which would otherwise occur  
during turn-on and turn-off transitions.  
KEY SPECIFICATIONS  
•
•
•
•
PSRR at 217Hz, VDD = 5V (Fig. 1): 62dB(typ.)  
Power Output at 5.0V & 1% THD: 1W(typ.)  
Power Output at 3.3V & 1% THD: 400mW(typ.)  
Shutdown Current: 0.1μA(typ.)  
The LM4890 is unity-gain stable and can be  
configured by external gain-setting resistors.  
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 © 2001–2013, Texas Instruments Incorporated  
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LM4890ITLX/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM4890ITL/NOPB TI

完全替代

 1W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9, MICRO, SMD-9

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