KB2502

MAR. 2000 Ver 1.4 DATA SHEET KB2502 Preliminary Preliminary VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS KB2502 VIDEO AMP MERGED OSD PROCESSOR The KB2502 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 KB2502 Package 32-DIP-600A Operating Temperature -20 °C ~ +75 °C FEATURES VIDEO AMP PART 3-channel R/G/B video amplifier, 175MHz @f-3dB I2C bus control items - Contrast control: -38dB - 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) - Switch registers for SBLK and video half tone and CLP/BLK polarity selection and INT/EXT CLP selection and generated CLP width control Built in ABL (automatic beam limitation) Built in video input clamp, BRT clamp Built in video half tone (3mode) function on OSD pictures Capable of 8.0Vp-p output swing Improvement of rise & fall time (2.2ns) Cut-off brightness control Built in blank gate with spot killer Clamp pulse generator OSD intensity BLK, CLP polarity selection Clamp gate with anti OSD sagging ...