鈩?/div>
Self-Protecting Design
3.3-V Digital Interface
EMI Compliant When Used With
Recommended System Design
D
Internet Music Appliance
D
Mini/Micro Component Systems
DESCRIPTION
True digital audio amplifier (TDAA) is a new paradigm
in digital audio. The TDAA system currently consists of
the TAS5000 PCM-PWM modulator device +
TAS5100A PWM power output device. This system
accepts a serial PCM digital audio stream and converts
it to a 3.3-V PWM audio stream (TAS5000). The
TAS5100A 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-efficient digital audio applicable to many audio
systems developed for the digital age. The TAS5100A
is a single-channel PWM power audio device. It
contains integrated gate drivers, four matched and
electrically isolated enhancement- mode N-channel
power DMOS transistors. Also, included are protection
and fault-reporting circuitry. This device is optimized for
use with the TAS5000 digital modulator.
APPLICATIONS
D
DVD Receiver
D
Home Theater
D
Car Audio Amplifiers and Head Units
TYPICAL TDAA STEREO AUDIO SYSTEM
Left
Digital Audio
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TAS3001
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DSP
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SPDIF
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1394
鈥?/div>
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鈥?/div>
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Volume
EQ
DRC
Bass
Treble
TAS5100
A
TAS5000
Right
TAS5100
A
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Serial Audio Input Port
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Internal PLL
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PCM鈥揚(yáng)WM Modulator
L-C
Filter
L-C
Filter
鈥?/div>
2 H-Bridge 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.
PowerPAD and Equibit are trademarks of Texas Instruments.
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>
2002, Texas Instruments Incorporated
www.ti.com
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