STV83X8 Datasheet PDF - ST Microelectronics

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STV83X8
ST Microelectronics

Part Number STV83X8
Description TV sound processor
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STV83x8
TV sound processor with analog broadcast demodulator
for BTSC standards
Data Brief
Features
24-bit Digital signal processor
48kHz processing
Fully automatic multi-standard demodulation
– M / N standards
– FM mono
– BTSC (US MTS) stereo and SAP
standards
” 2004 SRS Labs, Inc. All rights reserved, SRS and
the SRS logo are registered trademarks of SRS Labs, Inc.
Audio delay
– 100ms embedded
– external delay support (through I²S) with or
without the internal delay activated
– independent delay on headphone and
loudspeaker channels
“Dolby”, “Pro Logic”, and the double-D symbol are trademarks of
Dolby Laboratories
Digital interfaces
– 1 x I²S asynchronous interface for stereo or
downmix with sample rate converter up to
STV83x8®
48kHz
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– 1 x I²S synchronous interface which supports
LQFP100 and LQFP80 Package
from stereo up to multichannel 5.1 and downmix
inputs
Sound processing
– 1 x I²S output support from stereo up to 5.1
– anti-clipping
speakers
– independent volume / balance for loudspeakers
– SPDIF output and pass-thru with integrated
and headphone
switch
– Smart Volume Control (SVC)
Analog interfaces
– 5 stereo inputs
– 1 mono input
– 3 independent stereo outputs driving up to 5.1
multichannel
– 2 VRMS capability for SCART standard
compliance
– 5-band equalizer
– loudness
– headphone: Smart Volume Control (SVC), bass-
treble with anti-clipping, loudness, ST Dynamic
Bass and SRS® TruBass
– beeper: 72 tones, 3 natural sounds
ST royalty-free processing:
– pass-through mode
– ST OmniSurround ( Virtual Dolby® Surround
Acoustical compensation
– 3-band parametric equalizer with frequency,
gain and Q control
and Virtual Dolby® Digital compliant)
– ST Dynamic Bass
– ST Voice
– 5-band equalizer
SRS®
– ST DynamicBass
– SRS WOW
– bass management
– SRS® TruSurround XT™ &XT 5.1 digital
Dolby Prologic®I and II
– SRS® TruSurround HD
Software compatible with STV83x7
Hardware pin to pin compatible with STV83x7
December 2006
Rev 1
For further information contact your local STMicroelectronics sales office.
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Description
Description
STV83x8
STV83xy family is the latest TV-dedicated sound processor from STMicroelectronics. Based
on STV82xy family success, the new STV83x8(US) and STV83x7 (EU/Asia/Middle
East/Africa) are particularly intended for the mainstream flat TV market, paving the way to
enhanced sound experience at the end customer level.
One of the new STV83xy family key function is to ensure the proper demodulation of analog
broadcast thanks to the “Autostandard” functionality, a digital automatic standard search
engine.
The demodulation functionality based on the field proven STV82xy family, is highly robust in
all concerned area, even where overmodulation is dominant.
Five (5) analog audio auxiliary inputs and three (3) auxiliary SCART compliant outputs are
available and aimed at reducing the bill of material (BOM) by removing audio switches and
buffers.
STV83xy products are designed to fulfill all new digital or hybrid TV digital connectivity
needs thanks to a SPDIF input (bypass only) and two (2) synchronous/asynchronous inter
sound interface (I²S). One of the latter supports Dolby Digital 5.1 PCM audio,which
emphasizes on product differentiation by driving directly analog and digital multichannel
outputs. Thanks to this direct drive, TV manufacturers can fully take advantage of sound
virtualizers such as TruSurround XT (with TruSurround XT 5.1 Digital differentiated logo)
and ST Omnisurround, or be the first to feature the brand new SRS TruSurround HD, which
STMicroelectronics is the first to embed in an IC. Should the Dolby decoder provide only
Left Total/ Right Total (Lt/Rt) signal, an embedded Dolby ProLogic decoder is aimed to
provide the same output quality as with 5.1 inputs.
New consumer application emergences, in particular the flat screen TV market, bring new
audio challenges to overcome and require more specific dedicated audio compensation
tools such as Smart Volume Control (SVC) compressor/expender on headphone and
loudspeakers, anticlipping, 3-bands parametric and 5-band graphic equalizer for a better
acoustic compensation.
In addition to the STV83xy family, a complete digital audio (demodulation, sound processor,
audio amplifier) solution for TV can be used thanks to ST digital class D amplifier STA333
family, with additional equalization capability if required.
STMicroelectronics provides a C reference code for the TV controller to facilitate the
integration in the application software.
STV83x7 and STV83x8 are fully hardware and software compatible to answer platform
uniformization strategy.
To support our customers with an efficient evaluation stage, STMicroelectronics provides an
evaluation bundle with board and software, a comprehensive documentation and application
note.
STV83xy products are available in two (2) packages, LQFP100 and LQFP80 14x14. Both
are pin to pin compatible with the previous product generation.
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STV83x8
Applications
Applications
Typical applications of the STV83xy TV sound processor family are as follows:
analog flat panel TV
digital ready flat panel TV
integrated digital flat TV
integrated digital flat TV with integrated hard drive (PVR)
Ordering information
Table 1. Order codes
Part number
STV83x8
STV83x8F
LQFP80
LQFP100
Package
Revision history
Table 2. Document revision history
Date
Revision
21-Dec-2006
1 Initial release.
Changes
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STV83x8
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right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any
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© 2006 STMicroelectronics - All rights reserved
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