OPA3690_14 Datasheet, PDF (7/39 Pages) Texas Instruments – Triple, Wideband, Voltage-Feedback OPERATIONAL AMPLIFIER

OPA3690
www.ti.com
SBOS237G – MARCH 2002 – REVISED MARCH 2010
TYPICAL CHARACTERISTICS: V_S = ±5V
At T_A = +25°C, G = +2, R_F = 402Ω, and R_L = 100Ω (see Figure 36 for ac performance only), unless otherwise noted.
SMALL−SIGNAL
FREQUENCY RESPONSE
LARGE−SIGNAL
FREQUENCY RESPONSE
6
V_O = 0.5V_PP
3
0
-3
-6
-9
-12
-15
0.7 1
G = +1
R_F = 25W
G=2
G=5
G = 10
10
100
700
Frequency (MHz)
9
6
3
0
-3
-6
0.5 1
V_O = 2V_PP
V_O = 1V_PP
V_O = 4V_PP
V_O = 7V_PP
10
100
500
Frequency (MHz)
Figure 1.
Figure 2.
400
300
200
100
0
-100
-200
-300
-400
SMALL-SIGNAL
PULSE RESPONSE
G = +2
V_O = 0.5V_PP
Time (5ns/div)
Figure 3.
LARGE-SIGNAL
PULSE RESPONSE
4
G = +2
3
V_O = 5V_PP
2
1
0
-1
-2
-3
-4
Time (5ns/div)
Figure 4.
0.200
0.175
0.150
0.125
0.100
0.075
COMPOSITE VIDEO
dG/dP
+5V
Video In
75W
1/3
OPA3690
402W
402W
Optional
1.3kW
Pull- Down
-5V
No Pull- Down
With 1.3kW Pull-Down
dG
dG
dP
0.050
dP
0.025
0
1
2
3
4
Number of 150W Loads
Figure 5.
-30
-35
-40
-45
-50
-55
-60
-65
-70
-75
-80
-85
-90
-95
0.1
ALL HOSTILE
CROSSTALK
Input Referred
1
10
100
Frequency (MHz)
Figure 6.
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