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KA2143B 데이터시트(PDF) 10 Page - Samsung semiconductor

부품명 KA2143B
상세설명  R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS
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제조업체  SAMSUNG [Samsung semiconductor]
홈페이지  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

KA2143B 데이터시트(HTML) 10 Page - Samsung semiconductor

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R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS
KA2143B
9
OSD Electrical Characteristics
TA = 25 °C; VCC1 = VCC2 = 12V; V10 = 4V; V11 = 4V; V13 = 4V;
Vdrive = 4V; V4 = 4V; V12 = 0V unless otherwise stated
Blank Output Fall Time (8)
tf (Blank)
Blank Output = 1VPP
-
10
30
ns
End of Blanking Propagation Delay
tr - prop
(Blank)
Blank Output = 1VPP
-
23
50
ns
Start of Blanking Propagation Delay
tf - prop
(Blank)
Blank Output = 1VPP
-
20
45
ns
Table 7. OSD Electrical Characteristics
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
OSD Input Low Input Voltage
VOSDL
0.4
1.3
-
V
OSD Input High Input Voltage
VOSDh
-
1.3
2.0
V
OSD Select Low Input Voltage
V4L
Video Inputs are Selected
0.8
1.6
-
V
OSD Select High Input Voltage
V4h
OSD Inputs are Selected
-
1.6
2.0
V
OSD Select Low Input Current
I4L
V4 = 0V
-15
-5
-
µA
OSD Select High Input Current
I4h
V4 = 12V
-
0.01
0.2
µA
OSD
∆Output Black Level
∆V
BLV - OSD
-0.3
-
0.3
v
OSD Output Voltage
VOSD
V11 = 4V, Vdrive = 2V
2.75
3.95
5.15
VPP
OSD Output VPP Attenuation
∆V
OSD_ATT
V11 = 2V, Vdrive = 2V
30
50
70
%
Output Match between Channels
∆V
OSD
V11 = 4V, Vdrive = 2V
0
5
10
%
Video to OSD Switch Time (8)
tr (OSD S)
V1 = V2 = V3 = V4
(13)
-
4
10
ns
OSD to Video Switch Time (8)
tf (OSD S)
V1 = V2 = V3 = V4
(13)
-
11
20
ns
Video to OSD Propagation Delay
tr - prop
(OSD S)
V1 = V2 = V3 = V10 =
V11 = 4V
-
11
15
ns
OSD to Video Propagation Delay
tf - prop
(OSD S)
V1 = V2 = V3 = V10 =
V11 = 4V
-
12
25
ns
Table 6. AC Electrical Characteristics(Continued)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit


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