KA2192 4 INPUT A/V SWITCH
4 IN PUT A/V SWITCH
The KA2192 is audio/video 4 input switching IC in the video
system for S-VHS(Super-Video Home System).
This device can select audio/video signal of each different
4 kinds input.
This device separates Y(luminance) and C(chroma) for S-VHS.
FUNCTION
Two input decoder
Mode selector
4 * 1 switch
Mute switch
Bias stage
Gain switch (6dB or 8dB)
Clamp circuit
TV polarity switch
2 * 1 switch
Pulse generator
Switching part for selecting channel
FEATURE
Indepandent and stable bias block to prohibit cross talk of and source.
Available the mode output.
TV polarity switch can select negative and positive video signal to switch conditions.
Clamp block for stabile video signal.
Switch for to control signal gain (6dB or 8dB).
Separation and Processing of Y(luminance) and C(chroma) for S-VHS video.
Device
Package
Operating Temperature
KA2192
30-SDIP-400
-20~+65
C
30-SDlP-400
ORDERING INFORMATION
KA2192 4 INPUT A/V SWITCH
ABSOLUTE MAXIMUM RATINGS (T
A
=25
C)
ELECTRICAL CHARACTERISTICS
Characteristic
Symbol
Value
Unit
Supply Voltage
V
CC
max
15
V
Input Terminal Signal Voltage
V
S
max
3
Vp-p
Input Terminal Voltage
V
IN
max
GND-0.3~VCC+0.3V
-
Power Dissipation
P
D
max
1.6
W
Operating Temperature
T
OPR
-20~+70
C
Storage Temperature
T
STG
-55~+150
C
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
Total Current
I
CC
V
CC
=9V
21
32
43
mA
Input
Dynamic Range
V
DY
V
DY
C
V
DY
15KHz
Sine Wave
1.7
5.5
1.9
2.2
6.5
-
-
-
VP-P
Video Gain
G
V
G
V
G
YC
G
DY
15 KHz
1V
P-P
Sine Wave
5.6
0.5
-0.2
5.0
6.0
2.0
0
6.0
7.0
2.5
0.5
7.0
dB
Video Crosstalk
Y and C Crosstalk
C
M
C
YC
4.45 KHz
1Vp-p
Sine Wave
50
50
64
64
-
-
S
Y
S
2.4
KA2192 4 INPUT A/V SWITCH
ELECTRICAL CHARACTERISTICS(Contiued)
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
Frequency
Width
f
M
f
YC
f
YC
1V
P-P
Sine Wave
10
10
10
24
39
24
-
-
-
MHz
Clamp Level
C
L
PAL TV Signal
-
21
50
%
Sound Dynamic Range
Sound Gain
V
DY
G
A
1 KHz 1V
P-P
Sine Wave
5
-0.5
6
0
-
0.5
V
P-P
dB
Sound Frequency
Characteristics
f
A
1V
P-P
Sine Wave
100
-
-
KHz
Source Crosstalk
C
A
1 KHz 1V
P-P
60
72
-
Source and Channel
Crosstalk
C
LR
Sine Wave
60
72
-
dB
Sound Mute Atenuation
M
A
60
75
-
dB
SW 1 Threshold VTG
V
TH1
1.0
2.0
3.0
SW 2 Threshold VTG
V
TH2
1.0
2.0
3.0
V
Sound Mute Treshold VTG
V
THM
1.3
2.3
3.3
TV Polarity s/w
Threshold
V
THP
-
4.0
-
V
M
-
0
0.2
Mode Output Voltage
V
M
1.7
2.0
2.3
V
V
M
3.7
4.0
4.5
S
E
TV
A
S
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