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KA2500

Samsung
Part Number KA2500
Manufacturer Samsung
Description WIDE BAND ANALOG SWITCH FOR MONITORS
Published Apr 25, 2005
Detailed Description APRIL. 1998 DATA SHEET KA2500 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS KA2500 I2C BUS CONTROLLED R/G/B ...
Datasheet PDF File KA2500 PDF File

KA2500
KA2500

Overview
APRIL.
1998 DATA SHEET KA2500 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS KA2500 I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER 28-DIP-600A The KA2500 is a very high frequency video amplifier system with I2C Bus control used in Monitors with high resolution up to1280 × 1024.
It contains 3 matched R/G/B video Amplifiers with OSD interface and provides flexible interfacing to I2C Bus controlled adjustment systems.
FUNCTIONS • R/G/B Video Amplifier • OSD Interface • I2C BUS Control • Contrast/OSD Contrast • Brightness Control • Cut-Off Brightness Control • R/G/B SUB Contrast/Cut-Off Control • Blank/Clamp Gate • Half tone • Brightness Uniformity Device KA2500 Package 28-DIP-600A Operating Temperature -20 °C ~ +75 °C ORDERING INFORMATION FEATURES • 3 - Channel R/G/B Video Amplifier, 150MHz @f-3dB • I C Bus Control Items - Contrast Control - SUB Contrast Control For Each Channel - Brightness Control - OSD Contrast Control - Cut-off Brightness Control - Cut-off Control For Each Channel - Switch Registers for SBLK and Video Half Tone and Cut-Off INT/EXT • SUB Contrast Control Range: -11dB • Capable of 7.
0Vpp Output Swing Range • Video/OSD High Speed Switch 2 • Clamp Gate With Anti OSD Sagging • B/U (Brightness Uniformity) Interface • Video Input Clamp, BRT Clamp • Video & OSD Half Tone Function on OSD Picture (OSD Raster Selection by HS1, 2: 4 colors) • OSD Interface, OSD BLK • ABL • TTL R/G/B OSD Inputs, 80MHz bandwidth • Contrast Control Range: -38dB • OSD Contrast Control Range: -38dB 1 KA2500 I 2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS BLOCK DIAGRAM ONE (RED) OF THREE CHANNELS ROSD GOSD 1 OSD INTERFACE OSD RASTER VIDEO HALF-TONE OSD CONTRAST BLK VIDEO OSD SWITCH A2 26 ROUT CLP + VIDEO CONTRAST SUB CONTRAST A1 2 27 A3 gm2 RCLP RCT BOSD VCC2 3 9 gm1 HALF-TONE 17 23 + + Cut Off VCC3 + 22 21 GND3 BOUT RIN VCC1 5 6 CLP R/G/B CUT OFF CONTROL (07/08/09H) R/G/B DRIVE CONTROL (02/03/04H) CLP BLK GND1 7 CONTRAST CONTRAL (00H) OSD...


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