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KA2143B View Datasheet(PDF) - Samsung

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

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