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LM4879MM/NOPB PDF预览

LM4879MM/NOPB

更新时间： 2024-11-04 15:42:39
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
32页 1754K
描述
1.1W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO10, MSOP-10

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中文翻译

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LM4879MM/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, TSSOP10,.19,20针数：10
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：5.6
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-G10
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：10
最高工作温度：85 °C最低工作温度：-40 °C
标称输出功率：1.1 W封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP10,.19,20
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：2.6/5 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：0.5 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

LM4879MM/NOPB 数据手册

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LM4879, LM4879MMBD, LM4879SDBD  
www.ti.com  
SNAS142G –SEPTEMBER 2001–REVISED MAY 2013  
LM4879  
1.1 Watt Audio Power Amplifier  
Check for Samples: LM4879, LM4879MMBD, LM4879SDBD  
1
FEATURES  
DESCRIPTION  
The LM4879 is an audio power amplifier primarily  
designed for demanding applications in mobile  
phones and other portable communication device  
applications. It is capable of delivering 1.1 watt of  
continuous average power to an 8Ω BTL load with  
less than 1% distortion (THD+N) from a 5VDC power  
supply.  
23  
•
No Output Coupling Capacitors, Snubber  
Networks or Bootstrap Capacitors Required  
•
•
•
Unity Gain Stable  
Ultra Low Current Shutdown Mode  
Fast Turn On: 80ms (typ), 110ms (max) with  
1.0µF Capacitor  
Boomer™ audio power amplifiers were designed  
specifically to provide high quality output power with a  
minimal amount of external components. The  
LM4879 does not require output coupling capacitors  
or bootstrap capacitors, and therefore is ideally suited  
for lower-power portable applications where minimal  
space and power consumption are primary  
requirements.  
•
•
BTL Output Can Drive Capacitive Loads up to  
100pF  
Advanced Pop and Click Circuitry Eliminates  
Noises During Turn-On and Turn-Off  
Transitions  
•
•
2.2V - 5.0V Operation  
Available in Space-Saving DSBGA, WSON, and  
VSSOP Packages  
The LM4879 features a low-power consumption  
global shutdown mode, which is achieved by driving  
the shutdown pin with logic low. Additionally, the  
LM4879 features an internal thermal shutdown  
protection mechanism.  
APPLICATIONS  
•
•
•
Mobile Phones  
PDAs  
The LM4879 contains advanced pop and click  
circuitry which eliminates noises which would  
otherwise occur during turn-on and turn-off  
transitions.  
Portable electronic devices  
KEY SPECIFICATIONS  
•
•
•
•
PSRR: 5V, 3V at 217Hz: 62dB (typ)  
The LM4879 is unity-gain stable and can be  
configured by external gain-setting resistors.  
Power Output at 5V, 1%THD+N: 1.1W (typ)  
Power Output at 3V, 1%THD+N: 350mW (typ)  
Shutdown Current: 0.1µA (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
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 © 2001–2013, Texas Instruments Incorporated  
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LM4879MM/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM4879MMX/NOPB TI

完全替代

 1.1 Watt Audio Power Amplifier

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 		DUAL 250mW AUDIO POWER AMPLIFIER WITH SHUTDOWN MODE
LM4880-D08-T UTC

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