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KA2192 [SAMSUNG]

4 IN PUT A/V SWITCH; 4 IN PUT A / V开关
KA2192
型号： KA2192
厂家： SAMSUNG    SAMSUNG
描述：

4 IN PUT A/V SWITCH
4 IN PUT A / V开关

复用器 开关 复用器或开关 信号电路 光电二极管
文件： 总6页 (文件大小：81K)
中文：  中文翻译
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KA2192  
4 INPUT A/V SWITCH  
4 IN PUT A/V SWITCH  
30-SDlP-400  
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  
ORDERING INFORMATION  
Device  
Package  
Operating Temperature  
KA2192 30-SDIP-400  
-20~+65°C  
· 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.  
KA2192  
4 INPUT A/V SWITCH  
BLOCK DIAGRAM  
6dB  
or  
8dB  
1
2
30 Vout  
L TV  
R TV  
TV-IN  
4 x 1  
switch  
Vcc  
29  
3
28 Vcc  
Inv  
4
27  
26  
25  
Ls-IN  
Rs-IN  
Sy-IN  
GAIN S/W  
C-IN  
3
abc  
6dB  
6dB  
5
MODE  
SELECT  
+
CLAMP  
6
TV Polarity  
Sc-IN  
24 Y-OUT  
7
AV=1  
4
8
MODE-UP  
23  
22  
21  
20  
19  
4
AV=1  
L-OUT  
9
L1  
R1  
10  
R-OUT  
C-OUT  
2 x 1  
switch  
EXT1 11  
12  
13  
14  
15  
L2  
GND  
4
pulse gen  
mute s/w  
Y-OUT  
18  
17  
16  
R2  
AV=1  
EXT2  
MUTE  
SW2  
a b c d  
Decoder 2 X 4  
SW1  
KA2192  
4 INPUT A/V SWITCH  
Characteristic  
Symbol  
Value  
Unit  
Supply Voltage  
VCCmax  
VSmax  
VINmax  
PDmax  
TOPR  
15  
V
Vp-p  
-
Input Terminal Signal Voltage  
Input Terminal Voltage  
Power Dissipation  
3
GND-0.3~VCC+0.3V  
1.6  
W
Operating Temperature  
Storage Temperature  
-20~+70  
°C  
°C  
TSTG  
-55~+150  
ABSOLUTE MAXIMUM RATINGS (TA=25°C)  
ELECTRICAL CHARACTERISTICS  
Characteristic  
Total Current  
Symbol  
Test Conditions  
Min  
Typ  
Max  
Unit  
ICC  
VCC=9V  
15KHz  
21  
1.7  
5.5  
1.9  
5.6  
0.5  
-0.2  
5.0  
32  
2.2  
6.5  
2.4  
6.0  
2.0  
0
43  
-
-
mA  
Input  
VDY  
Y
VDYC  
S
VP-P  
Dynamic Range  
Video Gain  
VDY  
GV  
Sine Wave  
-
7.0  
2.5  
0.5  
7.0  
15 KHz  
1VP-P  
Sine Wave  
DGV  
GYC  
S
6.0  
dB  
GDY  
Video Crosstalk  
CM  
4.45 KHz  
1Vp-p  
50  
64  
-
Y and C Crosstalk  
CYC  
Sine Wave  
50  
64  
-
KA2192  
4 INPUT A/V SWITCH  
Characteristic  
Symbol  
Test Conditions  
1VP-P  
Sine Wave  
Min  
Typ  
Max  
Unit  
Frequency  
Width  
fM  
fYC  
fYC  
CL  
VDY  
GA  
fA  
10  
10  
10  
-
24  
39  
24  
21  
6
-
-
-
MHz  
Clamp Level  
PAL TV Signal  
1 KHz 1VP-P  
Sine Wave  
1VP-P  
Sine Wave  
1 KHz 1VP-P  
Sine Wave  
50  
-
0.5  
-
%
Sound Dynamic Range  
Sound Gain  
5
-0.5  
100  
VP-P  
dB  
0
Sound Frequency  
Characteristics  
-
KHz  
Source Crosstalk  
Source and Channel  
Crosstalk  
CA  
60  
60  
72  
72  
-
-
CLR  
dB  
dB  
V
Sound Mute Atenuation  
SW 1 Threshold VTG  
SW 2 Threshold VTG  
Sound Mute Treshold VTG  
TV Polarity s/w  
MA  
60  
1.0  
1.0  
1.3  
-
75  
2.0  
2.0  
2.3  
4.0  
-
VTH1  
VTH2  
VTHM  
VTHP  
3.0  
3.0  
3.3  
-
Threshold  
VM  
VM  
VM  
-
0
0.2  
2.3  
4.5  
Mode Output Voltage  
1.7  
3.7  
2.0  
4.0  
V
ELECTRICAL CHARACTERISTICS(Contiued)  
S
A
TV  
E
S
KA2192  
4 INPUT A/V SWITCH  
OPERATING PRINCIPLE  
À
In-output truth table of A/V switching IC for input switch conditions.  
SW INPUT  
DECODER OUT  
WOUND OUT  
VIDEO OUT  
V-OUT  
EXT2  
Y & C OUT  
CODE OUT  
MODE OUT  
2(V)  
SW1  
SW2  
A
H
L
L
L
B
L
C
L
D
L-OUT  
EXT2  
EXT1  
TV  
R-OUT  
EXT2  
EXT1  
TV  
Y OUT  
C OUT  
L
H
H
L
L
L
L
-
-
H
L
L
L
L
EXT1  
-
-
2(V)  
H
H
H
L
TV  
-
-
0(V)  
L
H
SUPER  
SUPER  
SUPER  
S-Y  
S-C  
4(V)  
L:0(V)  
H:5(V)  
L:0.8(V)  
H:2.1(V)  
SOUND MUTE S/W  
=HIGH[5]  
TV  
IF SW1(L)  
SW2(H)  
FROM  
EXT1,2:  
2[V]  
POLARITY  
SW=H  
:SOUND OFF  
AV= -1  
S-Y &S-C  
OUT  
TV:0[V]  
S-VHS:  
4[V]  
GAIN SW  
=H: 8dB  
Á
Sound mute switch  
Â
Gain switch  
Ã
TV polarity switch  
TV  
POLARITY  
SWITCH  
H [VCC]  
SOUND-OUT  
L-OUT R-OUT  
GAIN  
MUTEIN  
6dB OR 8 dB  
SWITCH  
AV  
H [5V]  
L [0V]  
OFF  
ON  
OFF  
ON  
H [5V]  
L [0V]  
8dB  
6dB  
AV= -1  
AV=1  
L [GND]  
KA2192  
4 INPUT A/V SWITCH  
TEST CIRCUIT  
Vcc  
0.01mF  
sw1  
1
2
30  
29  
28  
27  
26  
25  
Vout  
Vcc  
Vcc  
L TV  
R TV  
47m  
F
sw2  
sw3  
3
TV-IN  
Ls-IN  
Rs-IN  
Sy-IN  
sw27  
sw26  
sw4  
sw5  
4
GAIN S/W  
5
C-IN  
sw6  
CLAMP  
6
m
3.3 F  
sw24  
sw7  
TV Polarity  
Sc-IN  
Y-OUT 24  
7
sw8  
Vs  
8
MODE-UP  
23  
22  
21  
20  
19  
18  
17  
16  
10mF  
sw9  
L-OUT  
9
L1  
sw10  
sw11  
sw12  
sw13  
sw14  
sw15  
R1  
10  
11  
R-OUT  
C-OUT  
EXT1  
12 L2  
GND  
Y-OUT  
13  
14  
15  
R2  
sw17  
sw16  
EXT2  
SW1  
MUTE  
SW2  
V1  

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