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LM4863LQX/NOPB

更新时间： 2024-10-26 13:09:23
品牌 Logo 应用领域
德州仪器 - TI 消费电路商用集成电路音频放大器视频放大器
页数 文件大小 规格书
28页 1462K
描述
3.2W, 2 CHANNEL, AUDIO AMPLIFIER, QCC24, LLP-24

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LM4863LQX/NOPB 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：QFN包装说明：HVQCCN, LCC24,.16X.2,20
针数：24Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.58标称带宽：20 kHz
商用集成电路类型：AUDIO AMPLIFIERJESD-30 代码：R-XQCC-N24
JESD-609代码：e3长度：5 mm
湿度敏感等级：3信道数量：2
功能数量：1端子数量：24
最高工作温度：85 °C最低工作温度：-40 °C
标称输出功率：3.2 W封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装等效代码：LCC24,.16X.2,20
封装形状：RECTANGULAR封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：235; 260电源：2.5/5 V
认证状态：Not Qualified座面最大高度：0.8 mm
子类别：Audio/Video Amplifiers最大压摆率：20 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：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4 mm
Base Number Matches：1

LM4863LQX/NOPB 数据手册

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LM4863  
www.ti.com  
SNAS114F –OCTOBER 1999–REVISED MAY 2013  
LM4863  
Dual 2.2W Audio Amplifier Plus Stereo  
Headphone Function  
Check for Samples: LM4863  
1
FEATURES  
APPLICATIONS  
2
•
Stereo Headphone Amplifier Mode  
“Click and Pop” Suppression Circuitry  
Unity-Gain Stable  
•
•
•
Multimedia Monitors  
•
•
•
•
Portable and Desktop Computers  
Portable Televisions  
Thermal Shutdown Protection Circuitry  
DESCRIPTION  
SOIC, TSSOP, exposed-DAP TSSOP, and  
WQFN packages  
The LM4863 is a dual bridge-connected audio power  
amplifier which, when connected to a 5V supply, will  
deliver 2.2W to a 4Ω load or 2.5W to a 3Ω load with  
less than 1.0% THD+N (see Notes below). In  
addition, the headphone input pin allows the  
amplifiers to operate in single-ended mode when  
driving stereo headphones.  
KEY SPECIFICATIONS  
•
PO at 1% THD+N  
–
LM4863LQ, 3Ω, 4Ω loads: 2.5W(typ),  
2.2W(typ)  
Boomer audio power amplifiers were designed  
specifically to provide high quality output power from  
a surface mount package while requiring few external  
components. To simplify audio system design, the  
LM4863 combines dual bridge speaker amplifiers and  
stereo headphone amplifiers on one chip.  
–
LM4863MTE, 3Ω, 4Ω loads: 2.5W(typ),  
2.2W(typ)  
–
–
LM4863MTE, 8Ω load: 1.1W(typ)  
LM4863, 8Ω: 1.1W(typ)  
•
Single-ended mode THD+N at 75mW into 32Ω:  
0.5%(max)  
The LM4863 features an externally controlled, low-  
•
•
Shutdown current: 0.7μA(typ)  
power consumption shutdown mode,  
a
stereo  
headphone amplifier mode, and thermal shutdown  
protection. It also utilizes circuitry to reduce “clicks  
and pops” during device turn-on.  
Supply voltage range: 2.0V to 5.5V  
.
NOTE  
An LM4863MTE or LM4863LQ that has been properly mounted to a circuit board will  
deliver 2.2W into 4Ω. The other package options for the LM4863 will deliver 1.1W into 8Ω.  
See Application Information for further information concerning the LM4863MTE and  
LM4863LQ.  
NOTE  
An LM4863MTE or LM4863LQ that has been properly mounted to a circuit board and  
forced-air cooled will deliver 2.5W into 3Ω.  
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 © 1999–2013, Texas Instruments Incorporated  
 
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