The KA2504 is very high frequency video amplifier system with I2C BUS control used in Monitors.

It contains 3 matched R/G/B video Amplifiers and provides flexible interfacing to the I2C BUS controlled adjustment systems.

FEATURES

• 3-Channel matched R/G/B Video Amplifiers

• I2C BUS control items

- Contrast control for the 3 channels

- Brightness control for the 3 channels

- SUB Contrast control for each channel

- Cut-Off control for each channel

- Cut-Off Brightness control for the 3 channels

- Switch Registers for SBLK and Cut-Off Offset Current

• Built-in ABL (Automatic Beam Limitation)

• Built-in Video output Brightness clamp

• 3-Channel R/G/B Video Amplifier 85 MHz @f-3 dB

• Contrast Control Range: -38 dB

• SUB Contrast Control Range: -11 dB

• Capable of 7 Vpp Output Swing

FUNCTIONS

• R/G/B Video Amplifier

• I2C BUS Control

• Contrast Control

• Brightness Control

• Cut-Off Brightness Control

• R/G/B SUB Contrast/Cut Off Control

• Blank/Clamp Gate

• Auto beam current limitation (ABL) is possible with external pin.

• The KA2504 includes white balance adjustment that is effective on brightness (by Cut-Off control for each channel).