DS_S1D2502A01 データシートの表示（PDF） - Samsung

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DS_S1D2502A01

VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS

Samsung 

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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