STV0056AF View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'STV0056AF' PDF : 27 Pages View PDF
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
. I2C 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
1/27
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