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LM4900LDX/NOPB PDF预览

LM4900LDX/NOPB

更新时间: 2024-09-27 14:52:31
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
19页 772K
描述
0.675W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8, LLP-8

LM4900LDX/NOPB 技术参数

是否Rohs认证:符合生命周期:Obsolete
包装说明:VSON,Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.75Is Samacsys:N
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-N8
JESD-609代码:e3长度:2.5 mm
湿度敏感等级:3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:0.675 W封装主体材料:PLASTIC/EPOXY
封装代码:VSON封装形状:SQUARE
封装形式:SMALL OUTLINE, VERY THIN PROFILE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:0.8 mm
最大压摆率:6 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:NO LEAD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:NOT SPECIFIED
宽度:2.5 mmBase Number Matches:1

LM4900LDX/NOPB 数据手册

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September 2001  
LM4900  
265mW at 3.3V Supply Audio Power Amplifier with  
Shutdown Mode  
General Description  
The LM4900 is a bridged audio power amplifier capable of  
delivering 265mW of continuous average power into an 8  
load with 1% THD+N from a 3.3V power supply.  
Features  
n MSOP, LLP, and SOP packaging  
n No output coupling capacitors, bootstrap capacitors, or  
snubber circuits are necessary  
Boomer® audio power amplifiers were designed specifically  
to provide high quality output power from a low supply volt-  
age while requiring a minimal amount of external compo-  
nents. Since the LM4900 does not require output coupling  
capacitors, bootstrap capacitors or snubber networks, it is  
optimally suited for low-power portable applications.  
n Thermal shutdown protection circuitry  
n Unity-gain stable  
n External gain configuration capability  
n Latest generation ’click and pop’ suppression circuitry  
Applications  
n Cellular phones  
n PDA’s  
The LM4900 features an externally controlled, low power  
consumption shutdown mode, and thermal shutdown protec-  
tion.  
n Any portable audio application  
The closed loop response of the unity-gain stable LM4900  
can be configured by external gain-setting resistors.  
Key Specifications  
j
j
j
THD+N at 1kHz for 265mW continuous  
average output power into 8,  
VDD = 3.3V  
1.0% (max)  
THD+N at 1kHz for 675mW continuous  
average output power into 8,  
VDD = 5V  
1.0% (max)  
0.1µA (typ)  
Shutdown current  
Typical Application  
DS200064-1  
FIGURE 1. Typical Audio Amplifier Application Circuit  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2001 National Semiconductor Corporation  
DS200064  
www.national.com  

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