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KA2143B View Datasheet(PDF) - Samsung

Part Name
Description
Manufacturer
KA2143B Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
KA2143B
R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS
Table 5. DC Electrical Characteristics(Continued)
Parameter
Video Output High Voltage
Video Black Level Output Voltage
Video Black Level Output Voltage
Video Output Blanked Voltage
Contrast/Drive Control Input Current
Cut-Off Control Input Current
Spot Killer Voltage
Symbol
Conditions
Min
VOH
V15,17,20 = 9V
6.2
VOBL
1.2
VOBL
Between Any Two Amplifiers -0.3
VOB
Blank Gate On
-
Iosd, Idirve, Vcontrast = Vdrive: 0V to 4V -
Icon
I21
-
Vspot
VCC Adjusted to Activate
8.0
Typ
7.5
1.5
-
50
25
0.25
1.0
10.4
Max Unit
9.0
V
1.8
V
0.3
V
500 mV
2
µA
1
2.0 µA
11.2 V
AC Electrical Characteristics
TA = 25 °C, VCC1 = VCC2 = 12V; V4 = 0V. Manually adjust Video Output pins 14, 16
and 19 to 4V DC for the AC test (12) unless otherwise stated (14)
Parameter
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 (8,9)
Video Output Rise Time (8)
Video Output Fall Time (8)
Video Amplifier 10kHz Isolation
Video Amplifier 10MHz Isolation
Blank Output Rise Time (8)
Table 6. AC Electrical Characteristics
Symbol
Conditions
AV max
Avc1
Avc2
Avd1
Avd2
Av match
Av track
THD
f (-3dB)
tr (Video)
tf (Video)
Viso_10K
Viso_10M
tr (Blank)
V10 = Vdrive = 4V,
Vin = 560mVpp
V10 = 2V
V10 = 0.25V
Vdrive = 2V
Vdrive = 0.25V
V10 = 4V, Vdrive = 4V (6)
V10 = 4V to 2V ( 6, 7)
VO = 1VPP, f = 19kHz
V10 = 4V, Vdrive = 4V,
VO = 4VPP
VO = 4VPP
V10 = 4V (10)
V10 = 4V (8, 10)
Blank Output = 1VPP
Min
15.5
Typ
17.5
Max
19.5
Unit
dB
-8
-6
-4
dB
-
-38
-30
dB
-6
-4
-2
dB
-13
-10
-7
dB
-1
-
1
dB
-1
-
1
dB
-
1
5
%
90
110
-
MHz
-
3.2
3.8
ns
-
3.5
5
ns
-
-65
-45
dB
-
-50
-35
dB
-
6
15
ns
8
 

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