OPA3695_14 Datasheet, PDF (7/39 Pages) Texas Instruments – Triple, Ultra-Wideband, Current-Feedback OPERATIONAL AMPLIFIER with Disable

OPA3695
www.ti.com ............................................................................................................................................... SBOS355A – APRIL 2008 – REVISED SEPTEMBER 2008
TYPICAL CHARACTERISTICS: V_S = ±5V
At R_F = 402Ω, R_L = 100Ω, and G = +8, unless otherwise noted.
NONINVERTING SMALL-SIGNAL FREQUENCY RESPONSE
5
4 ^{VS = ±5V}
V_O = 0.5V_PP
3 _{RLOAD = 100W}
2
G = +1, R_F = 511W
G = +2, R_F = 511W
1
0
-1
-2
G = +4, R_F = 511W
-3
-4
G = +8, R_F = 402W
-5
-6
1M
G = +16, R_F = 249W
10M
100M
1G 2G
Frequency (Hz)
Figure 2.
GAIN OF +8, LARGE-SIGNAL FREQUENCY RESPONSE
1
V_O = 1V_PP
0
-1
V_O = 2V_PP
-2
V_S = ±5V
V_O = 4V_PP
-3 ^{G = +8V/V}
R_F = 402W
R_LOAD = 100W
-4
V_O = 7V_PP
1M
100M
1G
Frequency (Hz)
Figure 4.
NONINVERTING LARGE-SIGNAL PULSE RESPONSE
2.5
2.0
V_S = ±5V
G = +8V/V
1.5
R_F = 402W
1.0
R_LOAD = 100W
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
0 1 2 3 4 5 6 7 8 9 10 11
Time (ns)
Figure 6.
GAIN OF +2, LARGE-SIGNAL FREQUENCY RESPONSE
2
V_O = 1V_PP
1
0
-1
V_O = 2V_PP
-2
-3
-4
V_S = ±5V
G = +2V/V
V_O = 4V_PP
-5 ^RF ^{= 511W}
R_LOAD = 100W
-6
V_O = 7V_PP
1M
100M
1G
Frequency (Hz)
Figure 3.
NONINVERTING SMALL-SIGNAL PULSE RESPONSE
600
V_S = ±5V
G = +8V/V
400
R_F = 402W
R_LOAD = 100W
200
0
-200
-400
-600
0 1 2 3 4 5 6 7 8 9 10 11
Time (ns)
Figure 5.
10MHz HARMONIC DISTORTION vs LOAD RESISTANCE
-60
-65
2nd Harmonic
-70
-75
-80
-85 V_S = ±5V
G = +8V/V
-90 R_F = 402W
V_OUT = 2V_PP
-95
1
3rd Harmonic
100
1k
Load Resistance (W)
Figure 7.
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