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LM4910MM

更新时间： 2024-10-01 23:16:47
品牌 Logo 应用领域
美国国家半导体 - NSC 放大器
页数 文件大小 规格书
22页 824K
描述
Output Capacitor-less Stereo 35mW Headphone Amplifier

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中文翻译

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LM4910MM 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete包装说明：TSSOP, TSSOP8,.19
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：5.45
商用集成电路类型：AUDIO AMPLIFIER谐波失真：1%
JESD-30 代码：S-PDSO-G8JESD-609代码：e0
长度：3 mm湿度敏感等级：1
信道数量：2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：0.035 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：2.2/5.5 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：6 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：Tin/Lead (Sn/Pb)
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

LM4910MM 数据手册

 浏览型号LM4910MM的Datasheet PDF文件第2页浏览型号LM4910MM的Datasheet PDF文件第3页浏览型号LM4910MM的Datasheet PDF文件第4页浏览型号LM4910MM的Datasheet PDF文件第5页浏览型号LM4910MM的Datasheet PDF文件第6页浏览型号LM4910MM的Datasheet PDF文件第7页 
February 2003  
LM4910  
Output Capacitor-less Stereo 35mW Headphone  
Amplifier  
General Description  
Key Specifications  
n PSRR at f = 217Hz  
65dB (typ)  
The LM4910 is an audio power amplifier primarily designed  
for headphone applications in portable device applications. It  
is capable of delivering 35mW of continuous average power  
to a 32Ω load with less than 1% distortion (THD+N) from a  
3.3VDC power supply.  
n Power Output at VDD = 3.3V, RL = 32Ω, and THD ≤  
1%  
n Shutdown Current  
35mW (typ)  
0.1µA (typ)  
The LM4910 utilizes a new circuit topology that eliminates  
output coupling capacitors and half-supply bypass capaci-  
tors (patent pending). The LM4910 contains advanced pop &  
click circuitry which eliminates noises caused by transients  
that would otherwise occur during turn-on and turn-off.  
Features  
n Eliminates headphone amplifier output coupling  
capacitors (patent pending)  
n Eliminates half-supply bypass capacitor (patent pending)  
n Advanced pop & click circuitry eliminates noises during  
turn-on and turn-off  
n Ultra-low current shutdown mode  
n Unity-gain stable  
n 2.2V - 5.5V operation  
n Available in space-saving MSOP, LLP, and SOIC  
packages  
Boomer audio power amplifiers were designed specifically to  
provide high quality output power with a minimal amount of  
external components. Since the LM4910 does not require  
any output coupling capacitors, half-supply bypass capaci-  
tors, or bootstrap capacitors, it is ideally suited for low-power  
portable applications where minimal space and power con-  
sumption are primary requirements.  
The LM4910 features a low-power consumption shutdown  
mode, activated by driving the shutdown pin with logic low.  
Additionally, the LM4910 features an internal thermal shut-  
down protection mechanism. The LM4910 is also unity-gain  
stable and can be configured by external gain-setting resis-  
tors.  
Applications  
n Mobile Phones  
n PDAs  
n Portable eletronics devices  
n Portable MP3 players  
Typical Application  
20030565  
FIGURE 1. Typical Audio Amplifier Application Circuit  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2003 National Semiconductor Corporation  
DS200305  
www.national.com  
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LM4911LD/NOPB TI

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 		0.145W, 2 CHANNEL, AUDIO AMPLIFIER, DSO10, LLP-10
LM4911MM TI

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 		0.145W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO10, MSOP-10
LM4911MM NSC

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 		Stereo 40mW Low Noise Headphone Amplifier with Selectable Capacitive Coupled or OCL Output
LM4911MM/NOPB TI

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 		Stereo 40mW Low Noise Headphone Amplifier with Selectable Capacitive Coupled or OCL Output
LM4911MMX NSC

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 		IC 0.145 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO10, MSOP-10, Audio/Video Amplifier

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