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TAS5012

更新时间: 2024-02-15 16:16:39
品牌 Logo 应用领域
德州仪器 - TI 音频放大器
页数 文件大小 规格书
18页 232K
描述
TRUE DIGITAL AUDIO AMPLIFIER TAS5012 DIGITAL AUDIO PWM PROCESSOR

TAS5012 数据手册

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TAS5012  
SLES006A – SEPTEMBER 2001 – REVISED DECEMBER 2001  
TRUE DIGITAL AUDIO AMPLIFIER  
TAS5012 DIGITAL AUDIO PWM PROCESSOR  
D
D
D
3.3-V Power Supply  
FEATURES  
Mute  
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TAS5012 + TAS5110 TDAA System – High  
Clicks and Pops Reduction (Patent Pending)  
Quality Digital Audio Amplification  
102-dB Dynamic Range (TAS5012 Device)  
THD+N < 0.06%  
D
D
D
D
D
APPLICATIONS  
D
D
D
D
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DVD-Audio  
Power Efficiency Is 90% Into 8-Load  
16-, 20-, or 24-Bit Input Data  
Home Theater  
Car Audio Amplifiers and Head Units  
Internet Music Appliance  
Mini/Micro Component Systems  
32-kHz, 44.1-kHz, 48-kHz, 88.2-kHz, 96-kHz,  
176.4-kHz, 192-kHz Sampling Rates  
D
Economical 48-Pin TQFP Package  
Lower-Jitter Internal PLL  
D
DESCRIPTION  
True digital audio amplifier (TDAA) is a new paradigm in digital audio. One TDAA system consists of the TAS5012  
PCM-PWM modulator device + TAS5110 PWM power output device. This system accepts a serial PCM digital audio  
stream and converts it to a 3.3-V PWM audio stream (TAS5012). The TAS5110 device then provides a large-signal  
PWM output. This digital PWM signal is then demodulated providing power output for driving loudspeakers. This  
patented technology provides low-cost, high-quality, high-efficiency digital audio applicable to many audio systems  
developed for the digital age. The TAS5012 is an innovative, cost-effective, high-performance 24-bit stereo  
PCM-PWM modulator based on Equibit technology. It has a wide variety of serial input options including  
right-justified (16, 20, or 24 bits), IIS (16, 20, or 24 bits), left-justified (16 bits), or DSP (16 bits) data formats. It is fully  
compatiblewithAESstandardsamplingratesof32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, and192 kHz.  
The TAS5012 also provides a de-emphasis function for 44.1-kHz and 48-kHz sampling rates.  
Digital Audio  
Left  
L-C  
Filter  
TAS5110  
TAS5110  
TAS3001  
DSP  
S/PDIF  
1394  
TAS5012  
Right  
L-C  
Filter  
Serial Audio Input Port  
Internal PLL  
Equibit Modulator  
Up to 192-kHz Input  
Sampling Rate  
H-Bridges  
Power Devices  
Volume  
EQ  
Improved Performance  
From TAS5100  
DRC  
Bass  
Treble  
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.  
Equibit is a trademark of Toccata Technology ApS, Denmark.  
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 Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
Copyright 2001, Texas Instruments Incorporated  
1
www.ti.com  

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