廬
STV82x6
Multistandard TV Audio Processor
and Digital Sound Demodulator
DATASHEET
SDO
WS
SCK
BUS0
BUS1
SDA
SCL
HPD
Headphone
Detection
I虜S Interface
I虜C Interface
I虜C Bus Expander
Audio Processing
Loudspeaker Audio Processing
Multi-Standard
Digital Stereo
Demodulator
FM, AM, A2
and NICAM
Audio
Stereo
D/A
Vol./
Bal.
Gain
Loudspeaker
LSL
LSR
SW
Subwoofer
Headphone
HPL
HPR
IRQ
STV82x6
Interrupt
Request
Demodulation
Stereo
Flag
ST
Sound IF
SIF
Source Preprocessing
AGC
A/D
Smart Volume Control, ST WideSurround,
5-band Equalizer and Loudness,
Beeper and Subwoofer Output
Digital
Audio
Matrix
Low Noise
Audio Mute
1V
rms
Headphone Audio Processing
Smart Volume Control,
Bass/Treble and Beeper
0.5V
rms
Stereo
Flag
Mono In
MONOIN
Audio
Stereo
D/A
Vol./
Bal.
Low Noise
Audio Mute
1V
rms
Input SCARTs
AI2L
AI2R
2V
rms
Input
Analog
Audio
Matrix
Audio Matrixing
Output
Analog
Audio
Matrix
Low Noise
Audio Mute
2V
rms
AO1L
AO1R
Low Noise
Audio Mute
2V
rms
Single Crystal
Clock Generation
Power Supply Management
DC Regulators, Standby mode
2V
rms
AO2L
AO2R
AI3L
AI3R
XTI
XTO
This device incorporates the
SRS (Sound Retrieval
System) under licence from
SRS Labs, Inc.
鈻?/div>
Subwoofer output with Volume Control and
Programmable Bandwidth
鈻?/div>
Spatial Sound Effects
(ST WideSurround and
Pseudo-Stereo)
鈻?/div>
SRS廬 3D Surround
鈻?/div>
3-to-2 Analog Stereo Audio I/Os (SCART
compatible) with Audio Matrix
鈻?/div>
Low-noise Audio Mutes and Switches
鈻?/div>
I虜S Output to interface with Dolby廬 Pro
Logic廬 Decoder
鈻?/div>
I虜C Bus-controlled
鈻?/div>
Single and standard 27 MHz Crystal
Oscillator
鈻?/div>
Power supplies: 3.3 V Digital, 5 V or 8 V
Analog
鈻?/div>
Embedded 3.3 V Regulators
鈻?/div>
Packages: SDIP56 or TQFP80
Key Features
鈻?/div>
NICAM, AM, FM Mono and FM 2 Carrier
Stereo Demodulators for all sound carriers
between 4.5 and 7 MHz
鈻?/div>
Mono input provided for optimum AM
Demodulation performances
鈻?/div>
Demodulation controlled by Automatic
Standard Recognition System
鈻?/div>
Sound IF AGC with wide range
鈻?/div>
Overmodulation and Carrier Offset recovery
鈻?/div>
Smart Volume Control
鈻?/div>
5-band Equalizer & Bass/Treble Control
鈻?/div>
Automatic Loudness Control
鈻?/div>
Loudspeaker and Headphone outputs with
Volume/Balance Controls and Beeper
Rev. 3
February 2005
1/97
Output Scarts
AI1L
AI1R
2V
rms
Audio
Stereo
A/D
Audio
Stereo
D/A
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