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LM4890MX/NOPB PDF预览

LM4890MX/NOPB

更新时间: 2024-01-06 07:18:46
品牌 Logo 应用领域
美国国家半导体 - NSC 放大器功率放大器
页数 文件大小 规格书
31页 1202K
描述
IC 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8, SOIC-8, Audio/Video Amplifier

LM4890MX/NOPB 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:SOP, SOP8,.25Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.01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:R-PDSO-G8JESD-609代码:e3
长度:4.9 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:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE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:1.75 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:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3.9 mmBase Number Matches:1

LM4890MX/NOPB 数据手册

 浏览型号LM4890MX/NOPB的Datasheet PDF文件第2页浏览型号LM4890MX/NOPB的Datasheet PDF文件第3页浏览型号LM4890MX/NOPB的Datasheet PDF文件第4页浏览型号LM4890MX/NOPB的Datasheet PDF文件第5页浏览型号LM4890MX/NOPB的Datasheet PDF文件第6页浏览型号LM4890MX/NOPB的Datasheet PDF文件第7页 
May 2003  
LM4890  
1 Watt Audio Power Amplifier  
General Description  
Key Specifications  
The LM4890 is an audio power amplifier primarily designed  
for demanding applications in mobile phones and other por-  
table communication device applications. It is capable of  
delivering 1 watt of continuous average power to an 8BTL  
load with less than 1% distortion (THD+N) from a 5VDC  
power supply.  
j
j
j
j
PSRR at 217Hz, VDD = 5V (Fig. 1)  
Power Output at 5.0V & 1% THD  
Power Output at 3.3V & 1% THD  
Shutdown Current  
62dB(typ.)  
1W(typ.)  
400mW(typ.)  
0.1µA(typ.)  
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 appli-  
cations where minimal power consumption is a primary re-  
quirement.  
Features  
n Available in space-saving packages: micro SMD, MSOP,  
SOIC, and LLP  
n Ultra low current shutdown mode  
n BTL output can drive capacitive loads  
n Improved pop & click circuitry eliminates noises during  
turn-on and turn-off transitions  
n 2.2 - 5.5V operation  
n No output coupling capacitors, snubber networks or  
bootstrap capacitors required  
n Thermal shutdown protection  
n Unity-gain stable  
n 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 ther-  
mal shutdown protection mechanism.  
The LM4890 contains advanced pop & click circuitry which  
eliminates noises which would otherwise occur during  
turn-on and turn-off transitions.  
The LM4890 is unity-gain stable and can be configured by  
external gain-setting resistors.  
Applications  
n Mobile Phones  
n PDAs  
n Portable electronic devices  
Connection Diagrams  
8 Bump micro SMD  
8 bump micro SMD Marking  
20019270  
Top View  
X - Date Code  
T - Die Traceability  
G - Boomer Family  
E - LM4890IBP  
20019223  
Top View  
Order Number LM4890IBP, LM4890IBPX  
See NS Package Number BPA08DDB  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2003 National Semiconductor Corporation  
DS200192  
www.national.com  

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