STV0056AF 查看數據表（PDF） - STMicroelectronics

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STV0056AF

SATELLITE SOUND AND VIDEO PROCESSOR

STMicroelectronics 

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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