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KB2502

VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS

Samsung 

KB2502

Preliminary

VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS

OSD ELECTRICAL CHARCTERISTICS

(Tamb = 25 °C, VCC = 12V, VDD = VDDA = 5V, HFLB input voltage = S3, load rosistors = 470Ω, V-AMP test

registors’ FBLK, OSD input conditions unless otherwise stated)

Table 7. OSD Electrical Chaacteristics

Parameter

OSD contrast max. output voltage

OSD contrast max. output channel

difference

OSD contrast center output voltage

OSD contrast center output channel

difference

R/G/B OSD rising time

R/G/B OSD falling time

HT video level

HT video output channel difference

HT OSD level

HT OSD output channel difference

Symbol

Vocff

∆ Vocff

Conditions

08 = FFH

OSD RGB output conditions

Value

Unit

Min Typ Max

5.4

6.4

7.4 Vpp

∆ 10

-

-

%

Voc80

∆ Voc80

08 = 80H

2.7

3.2

OSD RGB output conditions

∆ 10

-

3.7 Vpp

-

%

tr (OSD)

08: FFH

-

4.0

5.0

ns

tf (OSD)

-

4.0

5.0

ns

HTvideo

ABL = 6V

-6.0 -4.5 -3.0 dB

∆ HTvideo

RGB input = S1

03, 05 ~ 08: FFH

∆ 15

-

-

%

0D: 01H

OSD black conditions input

HTvideo = 20log(Vhtvideo/Vcff)

HTosd

∆ HTosd

ABL = 6V

-7.0 -5.5 -4.0 dB

05 ~ 08: FFH

0D: 0FH

∆ 15

-

-

%

OSD white condition input

HTosd = 20log (Vhtosd/Vocff)

12

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