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LM4889MAX/NOPB PDF预览

LM4889MAX/NOPB

更新时间： 2024-02-11 16:15:16
品牌 Logo 应用领域
德州仪器 - TI 放大器功率放大器
页数 文件大小 规格书
27页 1598K
描述
1 Watt Audio Power Amplifier

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LM4889MAX/NOPB 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：TSSOP, TSSOP8,.19
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：0.85
商用集成电路类型：AUDIO AMPLIFIER增益：36 dB
JESD-30 代码：R-PDSO-G8JESD-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：1.2 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：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：2.6/5 V认证状态：Not Qualified
座面最大高度：1.07 mm子类别：Audio/Video Amplifiers
最大压摆率：8 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：NOT SPECIFIED
宽度：3 mmBase Number Matches：1

LM4889MAX/NOPB 数据手册

 浏览型号LM4889MAX/NOPB的Datasheet PDF文件第2页浏览型号LM4889MAX/NOPB的Datasheet PDF文件第3页浏览型号LM4889MAX/NOPB的Datasheet PDF文件第4页浏览型号LM4889MAX/NOPB的Datasheet PDF文件第5页浏览型号LM4889MAX/NOPB的Datasheet PDF文件第6页浏览型号LM4889MAX/NOPB的Datasheet PDF文件第7页 
LM4889  
www.ti.com  
SNAS157H –APRIL 2002–REVISED MAY 2013  
LM4889  
1 Watt Audio Power Amplifier  
Check for Samples: LM4889  
1
FEATURES  
DESCRIPTION  
The LM4889 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 2% distortion (THD+N) from a 5VDC power  
supply.  
23  
•
Available in Space-Saving VSSOP, SOIC,  
WSON, and DSBGA Packages  
•
Ultra Low Current Shutdown Mode (3.3 to 2.6V  
- 0.01µA)  
•
•
Can Drive Capacitive Loads up to 500 pF  
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  
LM4889 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  
The LM4889 features a low-power consumption  
shutdown mode, which is achieved by driving the  
shutdown pin with a logic low. Additionally, the  
LM4889 features an internal thermal shutdown  
protection mechanism.  
APPLICATIONS  
•
•
•
Mobile Phones  
PDAs  
Portable Electronic Devices  
The LM4889 contains advanced pop & click circuitry  
to eliminate noise which would otherwise occur during  
turn-on and turn-off transitions.  
KEY SPECIFICATIONS  
•
•
•
•
Improved PSRR at 217Hz, 5 - 3.3V 75dB  
Power Output at 5.0V & 2% THD 1.0W(typ.)  
Power Output at 3.3V & 1% THD 400mW(typ.)  
Shutdown Current at 3.3 & 2.6V 0.01µA(typ.)  
The LM4889 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
3
Boomer is a trademark of Texas Instruments.  
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 © 2002–2013, Texas Instruments Incorporated  
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