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KA2504

Samsung
Part Number KA2504
Manufacturer Samsung
Description I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER
Published Apr 25, 2005
Detailed Description MARCH. 1998 DATA SHEET KA2504 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER KA2504 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFI...
Datasheet PDF File KA2504 PDF File

KA2504
KA2504

Overview
MARCH.
1998 DATA SHEET KA2504 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER KA2504 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER 24-DIP-300 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.
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).
ORDERING INFORMATION Device KA2504 Package 24-DIP-300 Operating Temperature -20 °C ~ 75 ° 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 • • • • • • 1 KA2504 I2C BUS COTROLLED R/G/B VIDEO AMPLIFIER BLOCK DIAGRAM ONE (RED) OF THREE CHANNELS BLK VCC1 RIN 1 A2 23 VIDEO CONTRAST SUB CONTRAST ROUT RCLP 2 3 4 2.
4V A1 A3 CLP 24 16 21 GND1 GIN gm2 + CT OFFSET BLK CLP + CUT OFF GND2 BIN VCC2 5 6 7 GND(L) 9 CONTRAST (00H) B DRIVE (04H) G DRIVE (03H) R DRIVE (02H) ABL 8 CLAMP GATE SCL SDA 10 11 I2C BUS CONTROL BLANK GATE SOFT BLANK D7 (01H) CONTROL 2 _ RCT GOUT + 22 15 GCLP GCT BOUT CT BRT 18 17 BCLP BCT VCC3 CUT OFF OFFSET D6:5 (01H) 14 20 19 CUT OFF BRIGHT (05H) BRIGHTNESS (01H) G CUT OFF (07H) R CUT OFF (06H) B CUT OFF (08H) G...


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