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TAS5631

更新时间： 2024-11-25 06:15:31
品牌 Logo 应用领域
德州仪器 - TI 输入元件
页数 文件大小 规格书
33页 1796K
描述
300-W STEREO / 600-W MONO PurePath™ HD DIGITAL-INPUT POWER STAGE

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TAS5631 数据手册

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TAS5631  
www.ti.com  
SLES221C –JULY 2009–REVISED APRIL 2010  
300-W STEREO / 600-W MONO PurePath™ HD DIGITAL-INPUT POWER STAGE  
Check for Samples: TAS5631  
1
FEATURES  
APPLICATIONS  
•
•
•
•
Mini Combo System  
AV Receivers  
DVD Receivers  
Active Speakers  
23  
•
PurePath™ HD Enabled Integrated Feedback  
Provides:  
–
Signal Bandwidth up to 80 kHz for  
High-Frequency Content From HD Sources  
–
–
Ultralow 0.03% THD at 1 W Into 4 Ω  
DESCRIPTION  
Flat THD at All Frequencies for Natural  
Sound  
The TAS5631 is a high-performance PWM input  
class-D amplifier with integrated closed-loop  
feedback technology (known as PurePath HD  
technology) with the ability to drive up to 300 W  
stereo into 4-Ω to 8-Ω speakers from a single 50-V  
–
–
–
80-dB PSRR (BTL, No Input Signal)  
>100-dB (A-weighted) SNR  
(1)  
Click- and Pop-Free Start-Up  
supply.  
•
•
Multiple Configurations Possible on the Same  
PCB With Stuffing Options:  
PurePath HD technology enables traditional  
AB-amplifier performance (<0.03% THD) levels while  
providing the power efficiency of traditional class-D  
amplifiers.  
–
–
–
Mono Parallel Bridge-Tied Load (PBTL)  
Stereo Bridge-Tied Load (BTL)  
2.1 Single-Ended Stereo Pair and  
Bridge-Tied Load Subwoofer  
Unlike traditional class-D amplifiers, the distortion  
curve only increases once the output levels move into  
clipping. PurePath HD™  
–
Quad Single-Ended Outputs  
Total Output Power at 10% THD+N  
PurePath HD technology enables lower idle losses,  
making the device even more efficient.  
–
–
600 W in Mono PBTL Configuration  
300 W per Channel in Stereo BTL  
Configuration  
Note 1. Achievable output power levels are  
dependent on the thermal configuration of the target  
application. A high-performance thermal interface  
material between the package exposed heat slug  
and the heat sink should be used to achieve high  
output-power levels.  
–
145 W per Channel in Quad Single-Ended  
Configuration  
•
•
High-Efficiency Power Stage (>88%) With  
60-mΩ Output MOSFETs  
Two Thermally Enhanced Package Options:  
–
–
PHD (64-Pin QFP)  
♫♪  
DKD (44-Pin PSOP3)  
TAS5518  
Digital PWM  
Processor  
DIGITAL  
AUDIO  
INPUT  
PurePathTM HD  
•
•
Self-Protection Design (Including  
Undervoltage, Overtemperature, Clipping, and  
Short-Circuit Protection) With Error Reporting  
TAS5631  
♫♪  
EMI Compliant When Used With  
Recommended System Design  
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
PurePath HD is a trademark of Texas Instruments.  
All other 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 © 2009–2010, Texas Instruments Incorporated  
 
 
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TAS5631PHD TI

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