TAS5015
SLES017 鈥?SEPTEMBER 2001
TRUE DIGITAL AUDIO AMPLIFIER
TAS5015 DIGITAL AUDIO PWM PROCESSOR
FEATURES
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TAS5015 Plus Discrete Back-End TDAA
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System 鈥?High-Quality Digital Audio
Amplification
112-dB Dynamic Range (TAS5015 Device)
THD+N < 0.01%
Power Efficiency Is 90% into 8-鈩?Load
16-, 20-, or 24-Bit Input Data
44.1-kHz, 48-kHz, 88.2-kHz, 96-kHz, 176.4-kHz,
192-kHz Sampling Rates
Economical 48-Pin TQFP Package
External PLL
3.3-V Power Supply
Mute
Clicks and Pops Reduction (Patent Pending)
DESCRIPTION
The true digital audio amplifier (TDAA) is a new
paradigm in digital audio. One TDAA system consists of
the TAS5015 PCM-PWM modulator device plus a
discrete back-end TDAA power output. This system
accepts a serial PCM digital audio stream and converts
it to a 3.3-V PWM audio stream (TAS5015). The
discrete back-end TDAA 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 TAS5015 is an innovative,
cost-effective,
high-performance
24-bit
stereo
PCM-PWM modulator based on Equibit錚?technology.
The TAS5015 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 compatible with AES standard
sampling rates (Fs) of 44.1 kHz, 48 kHz, 88.2 kHz, 96
kHz, 176.4 kHz, and 192 kHz. The TAS5015 also
provides a de-emphasis function for 44.1-kHz and
48-kHz sampling rates.
APPLICATIONS
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High-Performance Digital Amplification For:
鈥?Integrated Amplifiers
鈥?AV Receiver
鈥?Car Audio
Digital Audio
鈥?/div>
Digital Audio
Processor
鈥?/div>
DSP
鈥?/div>
S/PDIF
鈥?/div>
1394
Left
TAS5015
Right
Discrete
Back-End
Discrete
Back-End
L-C
Filter
L-C
Filter
鈥?/div>
Volume
鈥?/div>
EQ
鈥?/div>
DRC
鈥?/div>
Bass
鈥?/div>
Treble
鈥?/div>
Serial Audio Input Port
鈥?/div>
External PLL
鈥?/div>
Equibit錚?Modulator
鈥?/div>
Up to 192-kHz Sampling
鈥?/div>
H-Bridges
鈥?/div>
Improved Performance
From TAS5100
Power Devices
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.
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
錚?/div>
2001, Texas Instruments Incorporated
www.ti.com
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