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LM4995SDX/NOPB

更新时间： 2024-09-21 13:00:07
品牌 Logo 应用领域
美国国家半导体 - NSC 功率放大器
页数 文件大小 规格书
15页 770K
描述
IC 1.25 W, 1 CHANNEL, AUDIO AMPLIFIER, DSO8, 3 X 3 MM, 0.5 PICTH, ROHS COMPLIANT, LLP-8, Audio/Video Amplifier

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LM4995SDX/NOPB 技术参数

是否Rohs认证：符合生命周期：Transferred
包装说明：VSON,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.43Is Samacsys：N
标称带宽：20 kHz商用集成电路类型：AUDIO AMPLIFIER
JESD-30 代码：S-XDSO-N8JESD-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：1.25 W
封装主体材料：UNSPECIFIED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最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：2.4 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：40
宽度：3 mmBase Number Matches：1

LM4995SDX/NOPB 数据手册

 浏览型号LM4995SDX/NOPB的Datasheet PDF文件第2页浏览型号LM4995SDX/NOPB的Datasheet PDF文件第3页浏览型号LM4995SDX/NOPB的Datasheet PDF文件第4页浏览型号LM4995SDX/NOPB的Datasheet PDF文件第5页浏览型号LM4995SDX/NOPB的Datasheet PDF文件第6页浏览型号LM4995SDX/NOPB的Datasheet PDF文件第7页 
April 2006  
LM4995  
1.3 Watt Audio Power Amplifier  
General Description  
Key Specifications  
The LM4995 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 1.3W of continuous average power to an 8Ω BTL  
load with less than 1% distortion (THD+N) from a 5VDC  
power supply.  
j
j
j
j
PSRR at 3.6V (217Hz & 1kHz)  
Output Power at 5.0V, 1% THD, 8Ω  
Output Power at 3.6V, 1% THD, 8Ω  
Shutdown Current  
75dB  
1.3W (typ)  
625mW (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 LM4995 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 0.4mm pitch µSMD package  
n Ultra low current shutdown mode  
n BTL output can drive capacitive loads  
n Improved pop & click circuitry eliminates noise during  
turn-on and turn-off transitions  
The LM4995 features a low-power consumption shutdown  
mode, which is achieved by driving the shutdown pin with  
logic low. Additionally, the LM4995 features an internal ther-  
mal shutdown protection mechanism.  
n 2.4 - 5.5V operation  
n No output coupling capacitors, snubber networks or  
bootstrap capacitors required  
n Unity-gain stable  
n External gain configuration capability  
The LM4995 contains advanced pop & click circuitry which  
eliminates noise which would otherwise occur during turn-on  
and turn-off transitions.  
Applications  
n Mobile Phones  
n PDAs  
The LM4995 is unity-gain stable and can be configured by  
external gain-setting resistors.  
n Portable electronic devices  
Typical Application  
201599D3  
FIGURE 1. Typical Audio Amplifier Application Circuit  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2006 National Semiconductor Corporation  
DS201599  
www.national.com  
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