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TAS5132 PDF预览

TAS5132

更新时间： 2024-11-09 04:29:03
品牌 Logo 应用领域
德州仪器 - TI 放大器
页数 文件大小 规格书
23页 389K
描述
STEREO DIGITAL AMPLIFIER POWER STAGE

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中文翻译

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TAS5132 数据手册

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TM  
TAS5132  
www.ti.com  
SLES190–DECEMBER 2006  
STEREO DIGITAL AMPLIFIER POWER STAGE  
A low-cost, high-fidelity audio system can be built  
using a TI chipset, comprising a modulator (e.g.,  
TAS5086) and the TAS5132. This system only  
requires a simple passive LC demodulation filter to  
FEATURES  
•
•
•
•
•
2×20 W at 10% THD+N Into 8-Ω BTL  
2×25 W at 10% THD+N Into 6-Ω BTL  
>100-dB SNR (A-Weighted)  
deliver  
high-quality,  
high-efficiency  
audio  
amplification with proven EMI compliance. This  
device requires two power supplies, at 12 V for  
GVDD and VDD, and at 18 V for PVDD. The  
TAS5132 does not require power-up sequencing due  
to internal power-on reset. The efficiency of this  
digital amplifier is greater than 90% into 8 Ω, which  
enables the use of smaller power supplies and  
heatsinks.  
<0.1% THD+N at 1 W  
Thermally Enhanced Package:  
–
DDV (44-pin HTSSOP)  
•
•
•
High-Efficiency Power Stage (>90%) With  
140-mΩ Output MOSFETs  
Power-On Reset for Protection on Power Up  
Without Any Power-Supply Sequencing  
The TAS5132 has an innovative protection system  
integrated on chip, safeguarding the device against a  
wide range of fault conditions that could damage the  
system. These safeguards are short-circuit  
protection, overcurrent protection, undervoltage  
protection, and overtemperature protection. The  
TAS5132 has a new proprietary current-limiting  
circuit that reduces the possibility of device shutdown  
during high-level music transients.  
Integrated Self-Protection Circuits Including  
Undervoltage, Overtemperature, Overload,  
Short Circuit  
•
PWM Activity Detector to detect stopped PWM  
inputs and protect the system  
•
•
Error Reporting  
EMI Compliant When Used With  
Recommended System Design  
BTL OUTPUT POWER vs SUPPLY VOLTAGE  
•
•
Intelligent Gate Drive  
30  
T
C
= 75°C  
Pin Compatible With the TAS5142DDV  
THD+N @ 10%  
25  
20  
15  
10  
5
APPLICATIONS  
•
•
•
•
Televisions  
Mini/Micro Audio Systems  
DVD Receivers  
6 Ω  
Home Theaters  
DESCRIPTION  
The TAS5132 is an integrated stereo digital amplifier  
power stage with an advanced protection system.  
The TAS5132 is capable of driving a 6-Ω bridge-tied  
load (BTL) at up to 25 W per channel with low  
integrated noise at the output, low THD+N  
performance, and low idle power dissipation.  
8 Ω  
0
0
5
10  
15  
20  
PVDD − Supply Voltage − V  
G002  
PurePath Digital™  
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam  
during storage or handling to prevent electrostatic damage to the MOS gates.  
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.  
PurePath Digital, PowerPAD are trademarks of Texas Instruments.  
All other trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2006, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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TAS5132 替代型号

型号 品牌 替代类型 描述 数据表
TAS5342LA TI

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