OPA3690_14 Datasheet, PDF (12/39 Pages) Texas Instruments – Triple, Wideband, Voltage-Feedback OPERATIONAL AMPLIFIER

OPA3690
SBOS237G – MARCH 2002 – REVISED MARCH 2010
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TYPICAL CHARACTERISTICS: +5V
At T_A = +25°C, G = +2, R_F = 402Ω, and R_L = 100Ω (see Figure 37 for ac performance only), unless otherwise noted.
SMALL−SIGNAL
FREQUENCY RESPONSE
LARGE−SIGNAL
FREQUENCY RESPONSE
6
9
V_O = 0.5V_PP
G = +1
R_F = 25W
3
6
V_O = 2V_PP
G = +2
V_O = 3V_PP
0
3
G = +5
V_O = 1V_PP
-3
0
G = +10
-6
-3
-9
0.7 1
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
50
45
40
35
30
25
20
15
10
5
0
1
10
100
700
Frequency (Hz)
Figure 26.
SMALL-SIGNAL
PULSE RESPONSE
G = +2
V_O = 0.5V_PP
Time (5ns/div)
Figure 28.
RECOMMENDED R_S
vs CAPACITIVE LOAD
10
100
Capacitive Load (pF)
Figure 30.
1000
-6
0.5 1
10
100
500
Frequency (MHz)
Figure 27.
LARGE-SIGNAL
PULSE RESPONSE
4.1
G = +2
3.7
V_O = 2V_PP
3.3
2.9
2.5
2.1
1.7
1.3
0.9
Time (5ns/div)
Figure 29.
FREQUENCY RESPONSE
vs CAPACITIVE LOAD
9
6
C_L = 100pF
3
C_L = 10pF
0
+5V
-3
V_IN ^0.1mF
58W
714W
714W
1/3
714W _OPA3690
-6
402W +5V
R_{S VOUT}
C_L
C_L = 22pF
C_L = 47pF
402W
-9
0 20 40 60 80 100 120 140 160 180 200
Frequency (20MHz/div)
Figure 31.
12
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