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TAS5121A

更新时间： 2024-11-05 21:53:51
品牌 Logo 应用领域
德州仪器 - TI 放大器
页数 文件大小 规格书
21页 404K
描述
DIGITAL AMPLIFIER POWER STAGE

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中文翻译

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TAS5121A 数据手册

 浏览型号TAS5121A的Datasheet PDF文件第2页浏览型号TAS5121A的Datasheet PDF文件第3页浏览型号TAS5121A的Datasheet PDF文件第4页浏览型号TAS5121A的Datasheet PDF文件第5页浏览型号TAS5121A的Datasheet PDF文件第6页浏览型号TAS5121A的Datasheet PDF文件第7页 
ꢀꢁ ꢂꢃ ꢄꢄꢅ ꢁ  
SLES094A - OCTOBER 2003 - REVISED MARCH 2004  
www.ti.com  
TM  
ꢆ
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FEATURES  
APPLICATIONS  
D
D
D
D
DVD Receiver  
Home Theatre  
Mini/Micro Component Systems  
Internet Music Appliance  
D
D
D
D
D
D
50 W per Channel (BTL) Into 6 Ω (Stereo)  
95-dB Dynamic Range With TAS5026  
Less Than 0.1% THD+N (1 W RMS Into 6 Ω)  
Less Than 0.2% THD+N (50 W RMS into 6 Ω)  
DESCRIPTION  
Power Efficiency Typically 90% Into 6-Ω Load  
The TAS5112A is a high-performance, integrated stereo  
digital amplifier power stage designed to drive 6-Ω  
speakers at up to 50 W per channel. The device  
incorporates TI’s PurePath Digitalt technology and is  
used with a digital audio PWM processor (TAS50XX) and  
a simple passive demodulation filter to deliver high-quality,  
high-efficiency, true-digital audio amplification.  
Self-Protecting Design (Undervoltage,  
Overtemperature and Short Conditions) With  
Error Reporting  
D
D
Internal Gate Drive Supply Voltage Regulator  
EMI Compliant When Used With  
Recommended System Design  
The efficiency of this digital amplifier is typically 90%,  
reducing the size of both the power supplies and heatsinks  
needed. Overcurrent protection, overtemperature  
protection, and undervoltage protection are built into the  
TAS5112A, safeguarding the device and speakers against  
fault conditions that could damage the system.  
THD + NOISE vs OUTPUT POWER  
1
THD + NOISE vs FREQUENCY  
1
R
= 6 Ω  
= 75°C  
R
= 6 Ω  
= 75°C  
L
L
T
C
T
C
P
O
= 50 W  
0.1  
P
O
= 10 W  
0.1  
P
O
= 1 W  
0.01  
0.01  
0.001  
100m  
1
10  
100  
20  
100  
1k  
f - Frequency - Hz  
10k 20k  
P
- Output Power - W  
O
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 and PowerPAD are trademarks of Texas Instruments.  
Other trademarks are the property of their respective owners.  
ꢋꢎ ꢏ ꢆꢑ ꢒ ꢀꢇ ꢏꢓ ꢆ ꢁꢀꢁ ꢔꢕ ꢖꢗ ꢘ ꢙꢚ ꢛꢔꢗꢕ ꢔꢜ ꢝꢞ ꢘ ꢘ ꢟꢕꢛ ꢚꢜ ꢗꢖ ꢠꢞꢡ ꢢꢔꢝ ꢚꢛꢔ ꢗꢕ ꢣꢚ ꢛꢟꢤ ꢋꢘ ꢗꢣꢞ ꢝꢛꢜ  
ꢝ ꢗꢕ ꢖꢗꢘ ꢙ ꢛꢗ ꢜ ꢠꢟ ꢝ ꢔ ꢖꢔ ꢝ ꢚ ꢛꢔ ꢗꢕꢜ ꢠ ꢟꢘ ꢛꢥꢟ ꢛꢟ ꢘ ꢙꢜ ꢗꢖ ꢀꢟꢦ ꢚꢜ ꢇꢕꢜ ꢛꢘ ꢞꢙ ꢟꢕꢛ ꢜ ꢜꢛ ꢚꢕꢣ ꢚꢘ ꢣ ꢧ ꢚꢘ ꢘ ꢚ ꢕꢛꢨꢤ  
ꢋꢘ ꢗ ꢣꢞꢝ ꢛ ꢔꢗ ꢕ ꢠꢘ ꢗ ꢝ ꢟ ꢜ ꢜ ꢔꢕ ꢩ ꢣꢗ ꢟ ꢜ ꢕꢗꢛ ꢕꢟ ꢝꢟ ꢜꢜ ꢚꢘ ꢔꢢ ꢨ ꢔꢕꢝ ꢢꢞꢣ ꢟ ꢛꢟ ꢜꢛꢔ ꢕꢩ ꢗꢖ ꢚꢢ ꢢ ꢠꢚ ꢘ ꢚꢙ ꢟꢛꢟ ꢘ ꢜꢤ  
Copyright 2004, Texas Instruments Incorporated  
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