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LM48820TM/NOPB PDF预览

LM48820TM/NOPB

更新时间: 2024-11-04 21:04:19
品牌 Logo 应用领域
美国国家半导体 - NSC 放大器商用集成电路
页数 文件大小 规格书
16页 892K
描述
IC 0.095 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA14, ROHS COMPLIANT, MICRO SMD-14, Audio/Video Amplifier

LM48820TM/NOPB 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:VFBGA, BGA14,4X4,16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:7.2其他特性:SNR IS 100DB
标称带宽:22 kHz商用集成电路类型:AUDIO AMPLIFIER
JESD-30 代码:S-PBGA-B14JESD-609代码:e1
长度:1.615 mm湿度敏感等级:1
信道数量:2功能数量:1
端子数量:14最高工作温度:85 °C
最低工作温度:-40 °C标称输出功率:0.095 W
封装主体材料:PLASTIC/EPOXY封装代码:VFBGA
封装等效代码:BGA14,4X4,16封装形状:SQUARE
封装形式:GRID ARRAY, VERY THIN PROFILE, FINE PITCH峰值回流温度(摄氏度):260
电源:3 V认证状态:Not Qualified
座面最大高度:0.675 mm子类别:Audio/Video Amplifiers
最大压摆率:5.5 mA最大供电电压 (Vsup):5 V
最小供电电压 (Vsup):1.6 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:Tin/Silver/Copper (Sn/Ag/Cu)
端子形式:BALL端子节距:0.4 mm
端子位置:BOTTOM处于峰值回流温度下的最长时间:40
宽度:1.615 mmBase Number Matches:1

LM48820TM/NOPB 数据手册

 浏览型号LM48820TM/NOPB的Datasheet PDF文件第2页浏览型号LM48820TM/NOPB的Datasheet PDF文件第3页浏览型号LM48820TM/NOPB的Datasheet PDF文件第4页浏览型号LM48820TM/NOPB的Datasheet PDF文件第5页浏览型号LM48820TM/NOPB的Datasheet PDF文件第6页浏览型号LM48820TM/NOPB的Datasheet PDF文件第7页 
June 2007  
LM48820  
Ground-Referenced, Ultra Low Noise, Fixed Gain, 95mW  
Stereo Headphone Amplifier  
General Description  
Key Specifications  
The LM48820 is a ground referenced, fixed-gain audio power  
amplifier capable of delivering 95mW of continuous average  
power into a 16single-ended load, with less than 1% THD  
+N from a 3V power supply.  
■ꢀImproved PSRR at 217Hz  
■ꢀPower Output at VDD = 3V,  
RL = 16Ω, THD+N = 1%  
80dB (typ)  
95mW (typ)  
0.05µA (typ)  
1.5V/V (typ)  
1.6V to 4.5V  
The LM48820 features a new circuit technology that utilizes  
a charge pump to generate a negative reference voltage. This  
allows the outputs to be biased about ground, thereby elimi-  
nating output-coupling capacitors typically used with normal  
single-ended loads.  
■ꢀShutdown Current  
■ꢀInternal Fixed Gain  
■ꢀWide Operating Voltage Range  
Boomer audio power amplifiers were designed specifically to  
provide high quality output power with a minimal number of  
external components. The LM48820 does not require output  
coupling capacitors or bootstrap capacitors, and therefore is  
ideally suited for mobile phone and other portable applica-  
tions.  
Features  
Available in space saving 0.4mm pitch micro SMD  
package  
Fixed Logic Levels  
Ground referenced outputs  
High PSRR  
The LM48820 features a low-power consumption shutdown  
mode selectable for each channel and a soft start function that  
reduces start-up current transients. Additionally, the  
LM48820 features an internal thermal shutdown protection  
mechanism.  
Ultra low current shutdown mode  
Improved pop & click circuitry eliminates noises during  
turn-on and turn-off transitions  
No output coupling capacitors, snubber networks,  
bootstrap capacitors, or gain-setting resistors required  
Shutdown either channel independently  
The LM48820 contains advanced pop & click circuitry that  
eliminates noises which would otherwise occur during turn-on  
and turn-off transitions.  
Soft start feature reduces start up transient current  
The LM48820 has an internal fixed gain of 1.5V/V.  
Applications  
Mobile Phones  
MP3 Players  
PDAs  
Portable electronic devices  
Notebook PCs  
Boomer® is a registered trademark of National Semiconductor Corporation.  
© 2007 National Semiconductor Corporation  
202023  
www.national.com  

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