KB2502 Datasheet (Samsung) - VIDEO AMP MERGED OSD PROCESSOR

KB2502, VIDEO AMP MERGED OSD PROCESSOR

Table 2.

Pin Description Pin No Pin Name Schematic Description 1 VFLB VFLB HFLB FLB signal is in TTL level 32 HFLB Multi polarity input 3 VCO_IN_P PLL loop filter output 4 VPEF/ BandGap ref.

output 5 VREF 7 Contrast cap (CONT_CAP) 4.0K I2C Data 100µ A Vref Contrast cap range (0.1uF

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

KB2502 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 ch