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LM4901MM/NOPB PDF预览

LM4901MM/NOPB

更新时间： 2024-01-15 19:06:58
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
25页 1859K
描述
IC 1.6 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO10, MSOP-10, Audio/Video Amplifier

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LM4901MM/NOPB 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Obsolete零件包装代码：MSOP
包装说明：TSSOP, TSSOP10,.19,20针数：10
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：5.62
Is 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-G10JESD-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：10最高工作温度：85 °C
最低工作温度：-40 °C标称输出功率：1.6 W
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP10,.19,20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：2.6/5 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：10 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：GULL WING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

LM4901MM/NOPB 数据手册

 浏览型号LM4901MM/NOPB的Datasheet PDF文件第2页浏览型号LM4901MM/NOPB的Datasheet PDF文件第3页浏览型号LM4901MM/NOPB的Datasheet PDF文件第4页浏览型号LM4901MM/NOPB的Datasheet PDF文件第5页浏览型号LM4901MM/NOPB的Datasheet PDF文件第6页浏览型号LM4901MM/NOPB的Datasheet PDF文件第7页 
LM4901  
www.ti.com  
SNAS139F –DECEMBER 2001–REVISED DECEMBER 2001  
LM4901  
1.6 Watt Audio Power Amplifier with Selectable  
Shutdown Logic Level  
Check for Samples: LM4901  
1
FEATURES  
DESCRIPTION  
The LM4901 is an audio power amplifier primarily  
designed for demanding applications in mobile  
phones and other portable communication device  
applications. It is capable of delivering 1 watt of  
continuous average power to an 8Ω BTL load and 1.6  
watts of continuous avearge power to a 4Ω BTL load  
with less than 1% distortion (THD+N) from a 5VDC  
power supply.  
2
•
Available in Space-Saving Packages: WSON  
and VSSOP  
•
•
•
Ultra Low Current Shutdown Mode  
BTL Output can Drive Capacitive Loads  
Improved Pop & Click Circuitry Eliminates  
Noise During Turn-On and Turn-Off  
Transitions  
Boomer audio power amplifiers were designed  
specifically to provide high quality output power with a  
minimal amount of external components. The  
LM4901 does not require output coupling capacitors  
or bootstrap capacitors, and therefore is ideally suited  
for mobile phone and other low voltage applications  
where minimal power consumption is a primary  
requirement.  
•
•
2.0 - 5.5V Operation  
No Output Coupling Capacitors, Snubber  
Networks or Bootstrap Capacitors Required  
•
•
•
Unity-Gain Stable  
External Gain Configuration Capability  
User Selectable Shutdown High or Low logic  
Level  
The LM4901 features a low-power consumption  
shutdown mode. To facilitate this, Shutdown may be  
enabled by either logic high or low depending on  
mode selection. Driving the shutdown mode pin either  
high or low enables the shutdown pin to be driven in  
a likewise manner to enable shutdown.  
APPLICATIONS  
•
•
•
Mobile Phones  
PDAs  
Portable Electronic Devices  
The LM4901 contains advanced pop and click  
circuitry which eliminates noise which would  
otherwise occur during turn-on and turn-off  
transitions.  
KEY SPECIFICATIONS  
•
•
•
•
Improved PSRR at 217Hz & 1KHz 62 dB  
Power Output at 5.0V, 1% THD, 4Ω 1.6 W (typ)  
Power Output at 5.0V, 1% THD, 8Ω 1.07 W (typ)  
The LM4901 is unity-gain stable and can be  
configured by external gain-setting resistors.  
Power Output at 3.0V, 1% THD, 4Ω 525 mW  
(typ)  
•
•
Power Output at 3.0V, 1% THD, 8Ω 390 mW  
(typ)  
Shutdown Current 0.1μA (typ)  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
All trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2001, Texas Instruments Incorporated  
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