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TPA4411

更新时间： 2024-11-18 22:42:03
品牌 Logo 应用领域
德州仪器 - TI 驱动器
页数 文件大小 规格书
21页 838K
描述
80-mW CAPLESS STEREO HEADPHONE DRIVER

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中文翻译

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TPA4411 数据手册

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TPA4411  
www.ti.com  
SLOS430–AUGUST 2004  
80-mW CAPLESS STEREO HEADPHONE DRIVER  
FEATURES  
APPLICATIONS  
•
Ground-Referenced Outputs Eliminate  
DC-Bias Voltages on Headphone Ground Pin  
•
•
•
•
•
Notebook Computers  
CD / MP3 Players  
Smart Phones  
Cellular Phones  
PDAs  
– No Output DC-Blocking Capacitors  
• Reduced Board Area  
• Reduced Component Cost  
• Improved THD+N Performance  
DESCRIPTION  
•
No Degradation of Low-Frequency  
Response Due to Output Capacitors  
The TPA4411 is a stereo headphone driver designed  
to allow the removal of the output dc-blocking capaci-  
tors for reduced component count and cost. The  
TPA4411 is ideal for small portable electronics where  
size and cost are critical design parameters.  
•
•
•
Wide Power Supply Range: 1.8 V to 4.5 V  
80-mW/Ch Output Power into 16-Ω at 4.5 V  
Independent Right and Left Channel  
Shutdown Control  
•
•
•
Short-Circuit and Thermal Protection  
Pop Reduction Circuitry  
Space Saving Pb-Free Packages  
– 20-pin, 4 mm × 4 mm ThinQFN  
– 16-ball, 2 mm × 2 mm WCSP  
(Product Preview)  
The TPA4411 is capable of driving 80 mW into a  
16-Ω load at 4.5 V. The TPA4411 has a fixed gain of  
-1.5 V/V and headphone outputs have ±8-kV IEC  
ESD protection. The TPA4411 has independent shut-  
down control for the right and left audio channels.  
The TPA4411 is available in a 20-pin, 4 mm × 4 mm  
ThinQFN package.  
.
HPL  
or  
SPK1  
TLV320AIC26  
or  
TPA2012D2  
HPR  
or  
TLV320AIC28  
SPK2  
Shutdown  
Control  
SDL  
PGND  
SGND  
SDR  
TPA4411  
OUTL  
INR  
INL  
OUTR  
PV  
SV  
SS  
PV  
DD  
SS  
1.8 − 4.5 V  
SV  
DD  
C1P  
C1N  
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.  
UNLESS OTHERWISE NOTED this document contains PRO-  
DUCTION DATA information current as of publication date. Prod-  
ucts conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily  
include testing of all parameters.  
Copyright © 2004, Texas Instruments Incorporated  
1234567...21

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TPA4411 替代型号

型号 品牌 替代类型 描述 数据表
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