ka2143b Samsung Semiconductor, Inc., ka2143b Datasheet - Page 9

• Manufacturer Part Number: ka2143b
• Description: R/g/b Video Amplifier With Osd Interface For Monitors
• Manufacturer: Samsung Semiconductor, Inc.

KA2143B
AC Electrical Characteristics
T
and 19 to 4V DC for the AC test
8
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
A
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
Video Output Rise Time
Video Output Fall Time
Video Amplifier 10kHz Isolation
Video Amplifier 10MHz Isolation
Blank Output Rise Time
= 25 C, V
CC1
Parameter
Parameter
= V
CC2
(8,9)
(8)
(8)
(8)
= 12V; V
Table 5. DC Electrical Characteristics (Continued)
(12)
4
= 0V. Manually adjust Video Output pins 14, 16
unless otherwise stated
Table 6. AC Electrical Characteristics
R/G/B VIDEO AMPLIFIER WITH OSD INTERFACE FOR MONITORS
Iosd, Idirve,
Viso_10M
Viso_10K
tr (Video)
tf (Video)
tr (Blank)
Symbol
Symbol
Av match
AV max
f (-3dB)
Av track
V
V
THD
V
V
Icon
V
Avd1
Avd2
Avc1
Avc2
I
OBL
spot
21
OH
OB
OBL
V
Between Any Two Amplifiers
Blank Gate On
Vcontrast = Vdrive: 0V to 4V
V
V
Vin = 560mVpp
V
V
Vdrive = 2V
Vdrive = 0.25V
V
V
V
V
V
V
V
V
Blank Output = 1V
15,17,20
CC
10
10
10
10
10
O
10
O
O
10
10
= 1V
= 4V
= 4V
= Vdrive = 4V,
= 2V
= 0.25V
= 4V, Vdrive = 4V
= 4V to 2V
= 4V, Vdrive = 4V,
= 4V
= 4V
Adjusted to Activate
(14)
PP
PP
PP
Conditions
Conditions
= 9V
(10)
(8, 10)
, f = 19kHz
( 6, 7)
PP
(6)
15.5
Min
-0.3
Min
6.2
1.2
8.0
-13
90
-8
-6
-1
-1
-
-
-
-
-
-
-
-
-
-
0.25
10.4
17.5
Typ
Typ
110
-38
-10
-65
-50
7.5
1.5
1.0
3.2
3.5
50
25
-6
-4
1
6
-
-
-
Max
11.2
Max
19.5
500
-30
-45
-35
9.0
1.8
0.3
2.0
3.8
15
-4
-2
-7
2
1
1
1
5
5
-
Unit
MHz
mV
Unit
V
V
V
V
dB
dB
dB
dB
dB
dB
dB
dB
dB
ns
ns
ns
%
A
A