STV0056AF Datasheet, PDF (1/27 Pages) STMicroelectronics – SATELLITE SOUND AND VIDEO PROCESSOR

STV0056AF
SATELLITE SOUND AND VIDEO PROCESSOR
SOUND
. _{TWO INDEPENDENTSOUND DEMODULATORS}
. _{PLL DEMODULATION WITH 5-10MHz FRE-}
QUENCY SYNTHESIS
. PROGRAMMABLE FM DEMODULATOR
BANDWIDTH ACCOMODATING FM DEVIA-
TIONS FROM ±30kHz TILL ±400kHz
. PROGRAMMABLE 50/75µs, J17 OR NO DE-
EMPHASIS
. _{WEGENER PANDA SYSTEM}
. _{TWOAUXILIARYAUDIO INPUTS ANDOUTPUTS}
. _{GAIN CONTROLLED AND MUTEABLE}
AUDIO OUTPUTS
. HIGH IMPEDANCE MODE AUDIO OUTPUTS
FOR TWIN TUNER APPLICATIONS
VIDEO
. COMPOSITE VIDEO 6-bit 0 to 12.7dB GAIN
CONTROL
. _{COMPOSITE VIDEO SELECTABLE INVERTER}
. _{TWO SELECTABLE VIDEO DE-EMPHASIS}
NETWORKS
. _{6 x 3 VIDEO MATRIX}
. _{BLACK LEVEL ADJUSTABLE OUTPUT FOR}
ON-BOARD VIDEOCRYPT DECODER
. HIGH IMPEDANCE MODE VIDEO OUTPUTS
FOR TWIN TUNER APPLICATIONS
MISCELLANEOUS
. _{22kHzTONE GENERATIONFOR LNB CONTROL}
. _I²_{C BUS CONTROL}
CHIP ADDRESSES = 06HEX OR 46HEX
. LOW POWER STAND-BY MODE WITH AC-
TIVE AUDIO AND VIDEO MATRIXES
TQFP64 (10 x 10mm)
(Thin Plastic Quad Flat Pack)
ORDER CODE : STV0056AF
DESCRIPTION
The STV0056AF BICMOS integratedcircuit realizes
all the necessary signal processing from the tuner to
theAudio/Videoinput andoutputconnectors regard-
less the satellite system.
February 1998
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