DS_S1D2502A01 Datasheet, PDF (1/57 Pages) Samsung semiconductor – VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS

S1D2502A01
Preliminary
VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS
VIDEO AMP MERGED OSD PROCESSOR
The S1D2502A01 is a very high frequency video amplifier
& wide range OSD processor 1 chip system with I²C Bus
control used in monitors. It contains 3 matched R/G/B video
amplifiers with OSD processor and provides flexible
interfacing to I²C Bus controlled adjustment systems.
32-DIP-600A
FUNCTIONS
• R/G/B video amplifier
• OSD processor
• I²C bus control
• Cut-off brightness control
• R/G/B sub contrast/cut-off control
• Half tone
ORDERING INFORMATION
Device
Package
S1D2502A01-D0B0 32-DIP-600A
Operating Temperature
-20 °C — +75 °C
FEATURES
VIDEO AMP PART
OSD PART
• 3-channel R/G/B video amplifier, 175MHz @f-3dB
• Built in 1K-byte SRAM
• I²C bus control items
• 448 ROM fonts (each font consists of 12 × 18
— Contrast control: -38dB
dots.)
— Sub contrast control for each channel: -12dB
— Brightness control
— OSD contrast control: -38dB
— Cut-off brightness control (AC coupling)
— Cut-off control for each channel (AC coupling)
• Full screen memory architecture
• Wide range PLL available (15kHz — 96kHz,
Reference 800 X 600)
• Programmable vertical height of character
— Switch registers for SBLK and video half tone and • Programmable vertical and horizontal
CLP/BLK polarity selection and INT/EXT CLP selection positioning
and generated CLP width control
• Character color selection up to 16 different
• Built in ABL (automatic beam limitation)
colors
• Built in video input clamp, BRT clamp
• Built in video half tone (3mode) function on OSD
pictures
• Programmable background color (up to 16
colors)
• Character blinking, bordering and shadowing
• Capable of 8.0Vp-p output swing
• Color blinking
• Improvement of rise & fall time (2.2ns)
• Character scrolling
• Cut-off brightness control
• Fade-in and fade-out
• Built in blank gate with spot killer
• Box drawing
• Clamp pulse generator
• Character sizing up to four times
• OSD intensity
• BLK, CLP polarity selection
• 76.8MHz pixel frequency from on-chip PLL
(Reference 800 X 600)
• Clamp gate with anti OSD sagging
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