ca3256 Intersil Corporation, ca3256 Datasheet - Page 2

• Manufacturer Part Number: ca3256
• Description: 25mhz, Bimos Analog Video Switch Amplifier
• Manufacturer: Intersil Corporation

Block Diagram
Switch Control Logic
ENABLE
V+
V-
A
B
C
14
16
18
6
5
7
NOTE: For Maximum Video Bandwidth, Use Single Channel Selections
5 + (1-4) (Note)
CONV.
LOGIC
LEVEL
CHANNEL
NUMBER
None
IN
CONTROL
1
2
3
4
5
SW
ENABLE
BINARY
1 OF 4
TG
WITH
TO
OUT
C
0
0
0
0
1
1
0
13
5
4
3
IN/OUT
3
1
CA3256
IN
2
17
8-2
1
15
A
X
0
0
1
1
(DIP PIN OUT)
Channel 5 Only
Channel 1-4
4
OPEN
SW
OUT
V+
V-
BIAS
REG
TG
TG
TG
TG
TG
B
X
0
1
0
1
FEED BACK
IN
8
ENABLE
10K
10K
1K
1
1
1
1
1
0
0
CLOSED
OUT
SW
LED DRIVER
OUTPUTS
CHANNEL 1
CHANNEL 2
CHANNEL 3
CHANNEL 4
-
+
12
10
11
2
AMPLIFIER
OUTPUT
9