CA3256 データシートの表示（PDF） - Intersil
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CA3256 Datasheet PDF : 11 Pages
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CA3256
Block Diagram
V+ 14
IN/OUT
54321
13 3 1 17 15 4
FEED BACK 1K
V+
8
BIAS
10K
REG
V-
10K
TG
TG
AMPLIFIER
OUTPUT
-
+
9
LED DRIVER
OUTPUTS
12
CHANNEL 1
ENABLE 6
LOGIC
LEVEL
CONV.
BINARY
TO
1 OF 4
WITH
ENABLE
A 16
B 18
V- 5
C7
IN
TG
SW
CONTROL
OUT
TG
TG
TG
IN
OUT
IN
SW
OPEN
(DIP PIN OUT)
11
CHANNEL 2
10
CHANNEL 3
2
CHANNEL 4
OUT
SW
CLOSED
Switch Control Logic
CHANNEL
NUMBER
C
A
B
1
0
0
0
2
0
0
1
3
0
1
0
4
0
1
1
5 + (1-4) (Note)
1
Channel 1-4
5
1
Channel 5 Only
None
0
X
X
NOTE: For Maximum Video Bandwidth, Use Single Channel Selections
ENABLE
1
1
1
1
1
0
0
8-2
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