ca3256 Intersil Corporation, ca3256 Datasheet - Page 10

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

BW = 40MHz (1.2X GAIN PEAK AT 25MHz)
V
A
OUT
V
= 1.1
= 200mV
FIGURE 7. OTHER TABULATED RESULTS FOR VARIATIONS OF LOAD AND FEEDBACK (V+ = +12V)
P-P
8
9
8
9
8
9
8
9
FIGURE 7G.
FIGURE 7A.
FIGURE 7C.
FIGURE 7E.
NO FEEDBACK
75
7pF
2pF
1K
1K
6pF
1K
280
150
75
V
OUT
A
BW = 250kHz
V
V
OL
OUT
75
OUT
A
BW = 28MHz
V
V
= 30
A
BW = 18MHz
V
OUT
OUT
V
= 200mV
= 1.1
= 1.1
= 2V
= 1V
V
OUT
P-P
P-P
P-P
CA3256
8-10
NOTE: 470 added to increase source drive current.
NOTE: Add R
V
A
BW = 15MHz
OUT
V
V
= 1.1
OUT1
S
= 200mV
to reduce high-frequency slewing.
8
9
8
9
8
9
-
R
S
100K
P-P
8
9
200K
FIGURE 7B.
FIGURE 7D.
FIGURE 7H.
FIGURE 7F.
470
+
10K
V
ADJ.
30K
DC
7pF
2pF
11K
(SETS DC OUT LEVEL)
= 5V
OFFSET ADJ.
V
BW = 26MHz (UNITY GAIN)
A
75
OUT
V
= 2
V
75
= 400mV
OUT2
75
150
V
V
A
OUT
BW = 6MHz
OUT
V
V
V
P-P
V
OUT2
OUT1
= 3.6
A
BW = 28MHz
V
A
BW = 15MHz
V
OUT
V
OUT
V
OUT
= 200mV
= 1.1
= 2
= 2V
= 2V
P-P
P-P
P-P