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STV2162 Datasheet

  • STV2162

  • 2H - VIDEO SCANNING PROCESSOR

  • 14頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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STV2162
2H - VIDEO SCANNING PROCESSOR
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VIDEO PART
USER CONTROL FUNCTIONS :
CONTRAST, BRIGHTNESS, SATURATION,
COLOR EQUALIZER
RGB INPUT WITH FAST-BLANKING FOR
ON-SCREEN-DISPLAY / TELETEXT
FAST BLANKING INPUT FOR CONTRAST
REDUCTION (TRANSPARENT MENU BOX)
AVERAGE BEAM LIMITER FUNCTION WITH
CONTRAST AND BRIGHTNESS REDUCTION
PAL/SECAM OR NTSC MATRIX SWITCHA-
BLE BY BUS
AUTOMATIC CUT-OFF LOOP WITH INTE-
GRATED DIGITAL MEMORY AND LEAKAGE
CURRENT COMPENSATION
FULL WHITE ADJUSTMENT VIA BUS
BUS REPLY FOR TUBE COLD INFORMA-
TION AND CUT-OFF COUNTER STATUS
APX (AUTO PIX) : ADAPTIVE CONTRAST
CONTROL
COLOR MATCHING (IN CONNECTION WITH
WHITE STRETCH)
APL (AUTO PEDESTAL) = ADAPTIVE
BRIGHTNESS
WHITE STRETCH
VERTICAL AND OVERSIZE BLANKING AC-
CORDING TO ALL ZOOMS
INDEPENDENT RIGHT AND LEFT ADJUST-
MENT OF HORIZONTAL OVERSIZE BLANKING
SCANNING PART
INTERNAL OR EXTERNAL 27MHz CLOCK
VERTICAL SYNCHRONISATION OUTPUT
FOR VIDEO TEXT AND OSD DISPLAY
PHI2 LOOP WITH INTERNAL LOOP FILTER
PULSE OUTPUT FOR DRIVING HORIZON-
TAL OUTPUT STAGE
VERTICAL COUNTDOWN CIRCUIT FOR
CLEAN VERTICAL DEFLECTION
INTEGRATED VERTICAL SAWTOOTH GENE-
RATOR WITH AMPLITUDE CONTROL LOOP
VERTICAL AND HORIZONTAL BUS ADJUSTA-
BLE SIZE CORRECTION (BREATHING) TO
ADAPT DEFLECTION SENSITIVITY TO THE
CURRENT BEAM
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PRODUCT PREVIEW
BUS ADJUSTED VERTICAL PARAMETERS:
VERTICAL AMPLITUDE, VERTICAL POSI-
TION AND S-CORRECTION
PANNING FOR VERTICAL DEFLECTION
BUS CONTROLLED EAST-WEST FUNCTION
GENERATOR WITH INTEGRATED ERROR
AMPLIFIER
VARIABLE FIX-POINTS FOR S-CORRECTION
VERTICAL BLANKING AND EAST-WEST
CORNER CORRECTION
SUPER SANDCASTLE OUTPUT
VERTICAL POWER SAVE MODE
SMPS PART
SMPS PULSE-WIDTH MODULATOR WITH
BUS CONTROLLED REFERENCE VOLTAGE
SOFTSTART FOR SMPS MODULATOR,
EVEN IN CASE OF MISSING HORIZONTAL
CLOCK (27MHz)
SOFTSTART FOR HORIZONTAL OUTPUT STAGE
SMOOTH TRANSITION FROM SOFTSTART
TO NORMAL MODE
GENERAL STANDBY MODE CONTROL
PROTECTION CIRCUIT FOR OVERLOAD
DETECTION (SHORT CIRCUITS) AND CON-
TROL OF SMPS MODULATOR
BUS REPLY FOR OVERLOAD
DESCRIPTION
The STV2162 is an I
2
C bus controlled Video and
Deflexion Processor for 2H-Deflection Television
Sets. The IC incorporates also an secondary SMPS
(Switch Mode Power Supply) controller with Soft-
start and Protection facilities.
SHRINK56
(Plastic Package)
ORDER CODE :
STV2162
January 1997
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
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