CA3450 Ver la hoja de datos (PDF) - Intersil
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CA3450 Datasheet PDF : 8 Pages
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CA3450
Test Circuits and Waveforms (Continued)
+8V
10Ω
0.001µF
7
75Ω, 1VP-P
VIDEO INPUT
14
8
+
75Ω
11
10Ω
5pF
CA3450
6
9
-
3
12
0.001µF
390Ω
4
13
5
16 FLASH A/D
21 INPUT
10Ω
750Ω
110Ω
-4V
0.1µF
0V TO -10V OFFSET
SOURCE, RS <10Ω
FIGURE 9. TYPICAL HIGH BANDWIDTH X5 AMPLIFIER FOR DRIVING THE CA3318 FLASH A/D
Typical Performance Curves
60
55
RL = 50Ω, || 20pF
-85
50
CC = 0pF, TA = 25oC -100
45
VS = ±6V
-115
40
-130
35
-145
30
35o MARGIN
-160
25
-175
20
-190
15
-205
10
PHASE -220
5
SHIFT -235
0
-250
-5
AOL
-265
1
10
100
1000
FREQUENCY (MHz)
FIGURE 10. BODE PLOT FOR THE CA3450
10
AV = 1
0
-10
CC = 5pF
CC = 7pF
CC = 5pF
0
45
CC = 7pF
90
135
180
1
10
100
300
FREQUENCY (MHz)
FIGURE 11. CLOSED LOOP GAIN AND PHASE vs FREQUENCY
7
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