參數(shù)資料
型號: KA2192
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 4 IN PUT A/V SWITCH
中文描述: 4中的PUT A / V開關(guān)
文件頁數(shù): 5/6頁
文件大小: 77K
代理商: KA2192
KA2192 4 INPUT A/V SWITCH
OPERATING PRINCIPLE
In-output truth table of A/V switching IC for input switch conditions.
Sound mute switch
Gain switch
TV polarity switch
SOUND-OUT
L-OUT R-OUT
H [5V]
OFF OFF
L [0V]
ON ON
L [0V]
SW INPUT
SW1 SW2
L L
H L
H H
L H
L:0(V)
H:5(V)
DECODER OUT
A B C D
H L L L
L H L L
L L H L
L L L H
L:0.8(V)
H:2.1(V)
WOUND OUT
L-OUT R-OUT
EXT2 EXT2
EXT1 EXT1
TV TV
SUPER SUPER
SOUND MUTE S/W
=HIGH[5]
:SOUND OFF
VIDEO OUT
V-OUT
EXT2
EXT1
TV
SUPER
TV
POLARITY
SW=H
A
V
= -1
GAIN SW
=H: 8dB
Y & C OUT
Y OUT C OUT
- -
- -
- -
S-Y S-C
IF SW1(L)
SW2(H)
CODE OUT
MODE OUT
2(V)
2(V)
0(V)
4(V)
FROM
EXT1,2:
2[V]
TV:0[V]
S-VHS:
4[V]
S-Y &S-C
OUT
MUTEIN
GAIN
SWITCH
H [5V]
8dB
6dB
TV
POLARITY
SWITCH
H [V
CC
]
L [GND]
A
V
= -1
A
V
=1
6dB OR 8 dB
A
V
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