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LM4889MM/NOPB PDF预览

LM4889MM/NOPB

更新时间: 2024-09-23 21:19:31
品牌 Logo 应用领域
美国国家半导体 - NSC 放大器光电二极管商用集成电路
页数 文件大小 规格书
20页 610K
描述
IC 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8, MSOP-8, Audio/Video Amplifier

LM4889MM/NOPB 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:TSSOP, TSSOP8,.19Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.11标称带宽:20 kHz
商用集成电路类型:AUDIO AMPLIFIER谐波失真:2%
JESD-30 代码:S-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 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:2.6/5 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: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:40
宽度:3 mmBase Number Matches:1

LM4889MM/NOPB 数据手册

 浏览型号LM4889MM/NOPB的Datasheet PDF文件第2页浏览型号LM4889MM/NOPB的Datasheet PDF文件第3页浏览型号LM4889MM/NOPB的Datasheet PDF文件第4页浏览型号LM4889MM/NOPB的Datasheet PDF文件第5页浏览型号LM4889MM/NOPB的Datasheet PDF文件第6页浏览型号LM4889MM/NOPB的Datasheet PDF文件第7页 
November 2006  
LM4889ꢀ  
1 Watt Audio Power Amplifier  
General Description  
Key Specifications  
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 8BTL  
load with less than 2% distortion (THD+N) from a 5VDC power  
supply.  
Improved PSRR at 217Hz, 5 - 3.3V  
■ꢀPower Output at 5.0V & 2% THD  
■ꢀPower Output at 3.3V & 1% THD  
■ꢀShutdown Current at 3.3 & 2.6V  
75dB  
1.0W(typ.)  
400mW(typ.)  
0.01µA(typ.)  
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 appli-  
cations where minimal power consumption is a primary re-  
quirement.  
Features  
Available in space-saving MSOP, SOIC, LLP, and micro  
SMD 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  
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 ther-  
mal shutdown protection mechanism.  
2.2 - 5.5V operation  
No output coupling capacitors, snubber networks or  
bootstrap capacitors required  
The LM4889 contains advanced pop & click circuitry to elim-  
inate noise which would otherwise occur during turn-on and  
turn-off transitions.  
Unity-gain stable  
External gain configuration capability  
The LM4889 is unity-gain stable and can be configured by  
external gain-setting resistors.  
Applications  
Mobile Phones  
PDAs  
Portable electronic devices  
Typical Application  
20035801  
FIGURE 1. Typical Audio Amplifier Application Circuit  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2006 National Semiconductor Corporation  
200358  
www.national.com  
 

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