參數(shù)資料
型號(hào): CA3256
廠商: Intersil Corporation
英文描述: 25MHz, BiMOS Analog Video Switch and Amplifier
中文描述: 高達(dá)25MHz,BiMOS模擬視頻開關(guān)和放大器
文件頁數(shù): 2/11頁
文件大?。?/td> 389K
代理商: CA3256
8-2
Block Diagram
Switch Control Logic
CHANNEL
NUMBER
C
A
B
ENABLE
1
0
0
0
1
2
0
0
1
1
3
0
1
0
1
4
0
1
1
1
5 + (1-4) (Note)
1
Channel 1-4
1
5
1
Channel 5 Only
0
None
0
X
X
0
NOTE: For Maximum Video Bandwidth, Use Single Channel Selections
+
TG
A
B
C
V-
ENABLE
V+
15
17
13
3
1
5 4 3 2 1
14
6
16
18
5
7
IN/OUT
8
1K
AMPLIFIER
OUTPUT
9
4
2
10
11
12
CHANNEL 1
CHANNEL 2
CHANNEL 3
CHANNEL 4
FEED BACK
LOGIC
LEVEL
CONV.
BINARY
TO
1 OF 4
WITH
ENABLE
V-
V+
IN
OUT
SW
OPEN
IN
OUT
SW
CLOSED
IN
OUT
SW
CONTROL
TG
TG
TG
TG
TG
LED DRIVER
OUTPUTS
10K
10K
-
BIAS
REG
(DIP PIN OUT)
CA3256
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