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TAS5616_14

更新时间: 2024-11-07 02:58:31
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德州仪器 - TI 输入元件
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33页 1816K
描述
160-W STEREO / 300-W MONO PurePath™ HD DIGITAL-INPUT POWER STAGE

TAS5616_14 数据手册

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TAS5616  
www.ti.com  
SLAS596B JUNE 2009REVISED JANUARY 2010  
160-W STEREO / 300-W MONO PurePath™ HD DIGITAL-INPUT POWER STAGE  
Check for Samples: TAS5616  
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 8  
DESCRIPTION  
Flat THD at All Frequencies for Natural  
Sound  
The TAS5616 is a high-performance PWM-input  
class-D amplifier with integrated closed-loop  
feedback technology (known as PurePath™ HD  
technology). It has the ability to drive up to 160-W  
80-dB PSRR (BTL, No Input Signal)  
>100-dB (A-weighted) SNR  
(1)  
Click- and Pop-Free Startup  
stereo into 8-speakers from a single 50-V  
supply.  
Minimal External Components Compared to  
Discrete Solutions  
PurePath™ HD technology enables traditional  
AB-amplifier performance (<0.03% THD) levels while  
providing the power efficiency of traditional class-D  
amplifiers.  
Multiple Configurations Possible on the Same  
PCB With Stuffing Options:  
Mono Parallel Bridge-Tied Load (PBTL)  
Stereo Bridge-Tied Load (BTL)  
Ultralow 0.03% THD+N is flat across all frequencies,  
ensuring that the amplifier does not add uneven  
distortion characteristics, and helps maintain a natural  
sound.  
2.1 Single-Ended Stereo Pair and  
Bridge-Tied Load Subwoofer  
Quad Single-Ended Outputs  
The efficiency of this class-D amplifier is greater than  
90%. Undervoltage protection, overtemperature,  
clipping, short-circuit and overcurrent protection are  
all integrated, safeguarding the device and speakers  
against fault conditions that could damage the  
system. PurePath HD™  
Total Output Power at 10% THD+N  
330 W in Mono PBTL Configuration  
160 W per Channel in Stereo BTL  
Configuration  
80 W per Channel in Quad Single-Ended  
Configuration  
 
ANALOG  
AUDIO  
INPUT  
High-Efficiency Power Stage (>90%) With  
120-mOutput MOSFETs  
PurePathTM HD  
TAS5616  
TAS3308  
Digital Audio  
Processor  
♪  
♪  
(2.1 Configuration)  
DIGITAL  
AUDIO  
INPUT  
With Analog Interface  
Two Thermally Enhanced Package Options:  
PHD (64-Pin QFP)  
12 V  
25 V–50 V  
DKD (44-Pin PSOP3)  
Self-Protection Design (Including  
Undervoltage, Overtemperature, Clipping, and  
Short-Circuit Protection) With Error Reporting  
PurePathTM HD  
Power Supply  
Ref. Design  
+3.3V  
REG.  
EMI Compliant When Used With  
Recommended System Design  
110 VAC®240 VAC  
(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  
thermal pad and the heat sink should be used to achieve high  
output power levels.  
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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