KA2500 데이터 시트보기 (PDF) - Samsung
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KA2500 Datasheet PDF : 28 Pages
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I2C BUS CONTROLLED R/G/B VIDEO AMPLIFIER FOR MONITORS
KA2500
AC Electrical Characteristics
Ta = 25 °C, VCC1 = VCC2 = VCC3 = 12V; V4 = 0V.
Vin = 0.56Vpp Manually adjust Video Output pins 21, 24 and 26 to 4V DC for the AC test (11) unless otherwise
stated(12)
Table 6. AC Electrical Characteristics
Parameter
Symbol
Min Typ Max Unit
Video Amplifier Gain
Contrast Attenuation 1
Contrast Attenuation 2
Drive Attenuation1
Drive Attenuation 2
Absolute Gain Match
Gain Change between Amplifiers
Video Amplifier Distortion
Video Amp Bandwidth (7,8)
Video Output Rise Time (7)
Video Output Fall Time (7)
Video Amplifier 10kHz Isolation
Video Amplifier 10MHz Isolation
Blank Output Rise Time (7)
Blank Output Fall Time (7)
End of Blanking Propagation Delay
Start of Blanking Propagation Delay
AV max
Avc1
Avc2
Avd1
Avd2
AV match(6)
AV track(7)
THD
f (-3dB)
tr (Video)
tf (Video)
Viso_10K(9)
Viso_10M(7,9)
tr (Blank)
tf (Blank)
tr-prop (Blank)
tf-prop (Blank)
15.5 17.5 19.5 dB
-4.5 -6.0 -7.5 dB
-
-38 -35 dB
-3
-4
-5
dB
-11 -8
-5
dB
-1
-
1
dB
-1
-
1
dB
-
1
130 150
5
%
- MHz
-
2.3 2.8 ns
-
3.2 4.0 ns
-
-65 -45 dB
-
-50 -35 dB
-
6
15
ns
-
10
30
ns
-
23
50
ns
-
20
45
ns
OSD Electrical Characteristics
Ta = 25 °C, VCC1 = VCC2 = VCC3 = 12V; V19 = 4V; V12 = V28 = 0V;
V1 = V2 = V3 = 4V; V4 = 4V; unless otherwise stated
Table 7. OSD Electrical Characteristics
Parameter
OSD Input Low Input Voltage
Symbol
VOSDI
Min Typ Max Unit
0.4 1.3 3.0
V
11
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