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DESCRIPTION

The TDA9206 is a digitaly controlled wideband video preamplifier intended for use in high resolution color monitor. All controls and adjustmentsare digitaly performed thanks to I2C serial bus. Contrast, brightness and DC output level of RGB signals are common to the 3 channels and drive adjustmentis separatefor each channel. Three I2C gain controlled OSD inputs can be switched with RGB signalsusing fast blanking command. Clamping of RGB signals is performed thanks to a flexible integrated system. The white balance adjustment is effective on brightness, video and OSD signals. The TDA9206works for application usingAC or DC coupled CRT driver.

■ 130MHz TYPICAL BANDWIDTH AT 2VPP OUTPUT WITH 12pF CAPACITIVE LOAD

■ 2.8ns TYPICAL RISE/FALL TIME AT 2VPP OUTPUT WITH 12pF CAPACITIVE LOAD

■ POWERFULL OUTPUT DRIVE CAPABILITY

■ BRT, CONT, DRIVE, OUTPUT DC LEVEL, OSD CONTRAST, BACK-PORCH CLAMPING PULSE WIDTH ARE I2C BUS CONTROLLED

■ INTERNAL BACK-PORCH CLAMPING PULSE GENERATOR

■ OSD WHITE BALANCE TRACKING

■ INTERNAL OSD SWITCHES

■ BLANKING AND FAST-BLANKING INPUTS

■ VERY LARGE DRIVE ADJUSTMENT RANGE (48dB)

■ SEMI-TRANSPARENT BACKGROUND ON OSD PICTURE