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TPA6047A4RHBRG4

更新时间： 2024-11-21 15:54:55
品牌 Logo 应用领域
德州仪器 - TI 放大器商用集成电路
页数 文件大小 规格书
27页 1389K
描述
2W Stereo Audio Power Amplifier With DirectPath (TM) Stereo Headphone Drive and Regulator 32-VQFN -40 to 85

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TPA6047A4RHBRG4 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Obsolete包装说明：,
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：5.77
商用集成电路类型：AUDIO AMPLIFIERJESD-609代码：e4
湿度敏感等级：3峰值回流温度（摄氏度）：260
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

TPA6047A4RHBRG4 数据手册

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TPA6047A4  
www.ti.com.............................................................................................................................................................................................. SLOS601–OCTOBER 2008  
2-W STEREO AUDIO POWER AMPLIFIER  
WITH DirectPath™ STEREO HEADPHONE DRIVE AND REGULATOR  
1
FEATURES  
DESCRIPTION  
23  
•
Microsoft™ Windows Vista™ Compliant  
•
Fully Differential Architecture and High PSRR  
Provide Excellent RF Rectification Immunity  
The TPA6047A4 is a stereo audio power amplifier  
and DirectPath™ headphone amplifier in a thermally  
enhanced, space-saving, 32-pin QFN package. The  
speaker amplifier is capable of driving 2.1 W per  
channel continuously into 4-Ω loads at 5 V. The  
headphone amplifier achieves a minimum of 100 mW  
at 10% THD+N from a 5-V supply. A built-in internal  
4-step gain control for the speaker amplifier and a  
fixed –1.5 V/V gain for the headphone amplifier  
minimizes external components needed.  
•
2.1-W, 1% THD+N Into 4-Ω Speakers and  
100-mW, 10% THD+N Into 16-Ω Headphones  
From 5-V Supply  
•
•
DirectPath™ Headphone Amplifier Eliminates  
(1)  
Output Capacitors  
Internal 4-Step Speaker Gain Control: 10, 12,  
15.6, 21.6 dB and Fixed –1.5-V/V Headphone  
Independent shutdown control and dedicated inputs  
for the speaker and headphone allow the TPA6047A4  
to simultaneously drive both headphones and internal  
speakers. Differential inputs to the speaker amplifiers  
offer superior power-supply and common-mode noise  
rejection.  
•
•
4.75-V Low Dropout Regulator for CODEC  
Independent Shutdown Controls for Speaker,  
Headphone Amplifier, and Low Dropout  
Regulator (LDO)  
•
Output Short-Circuit and Thermal Protection  
APPLICATIONS  
•
Notebook Computers  
•
Portable DVD  
SIMPLIFIED APPLICATION CIRCUIT  
TPA6047A4  
TPA6040A4  
Active Low  
4.75  
TPA6041A4  
Active Low  
3.3  
TPA6047A4  
Active High  
4.75  
CODEC  
ROUT+  
ROUT–  
Speaker  
Enable  
SPKR_RIN+  
SPKR_RIN–  
SPKR  
HPR  
LOUT+  
LOUT–  
LDO (V)  
HPL  
SPKR_LIN+  
SPKR_LIN–  
SPKL  
6, 10, 15.6,  
21.6  
10, 12, 15.6,  
21.6  
10, 12, 15.6,  
21.6  
VDD  
Gain (dB)  
SPVDD  
SPGND  
4.5 V – 5.5 V  
BYPASS  
GAIN0  
GAIN1  
Gain  
Control  
HP_EN  
Shutdown  
Control  
SPKR_EN  
OUTL  
OUTR  
HP_INR  
SGND  
HPVSS  
CPVSS  
HP_INL  
HPVDD  
CPVDD  
VDD  
3 V – 5.5 V  
CPGND  
C1P  
C1N  
4.5 V – 5.5 V  
Regulator Enable  
REG_EN  
REG_OUT  
4.75 V (To CODEC)  
(1) US Patent Number 5289137  
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
3
DirectPath, PowerPAD are trademarks of Texas Instruments.  
Microsoft, Windows Vista are trademarks of Microsoft Corporation.  
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 © 2008, Texas Instruments Incorporated  
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