OPA3680 Datasheet, PDF (5/21 Pages) Burr-Brown (TI) – Triple, Wideband, Voltage-Feedback OPERATIONAL AMPLIFIER With Disable

TYPICAL PERFORMANCE CURVES: V_S = ±5V
At T_A = +25°C, G = +2, R_F = 250Ω, and R_L = 100Ω, unless otherwise noted. See Figure 1.
SMALL-SIGNAL FREQUENCY RESPONSE
6
3
V_O = 0.5Vp-p
G = +1
R_F = 25Ω
0
–3
G = +2
–6
–9
G = +5
–12
–15
G = +10
–18
–21
–24
0.5
10
100
500
Frequency (MHz)
15
12
9
6
3
0
–3
–6
–9
–12
–15
0.5
LARGE-SIGNAL FREQUENCY RESPONSE
V_O = 1Vp-p
V_O = 2Vp-p
V_O = 7Vp-p
V_O = 4Vp-p
10
100
500
Frequency (MHz)
400
300
200
100
0
–100
–200
–300
–400
SMALL-SIGNAL PULSE RESPONSE
G = +2
V_O = 0.5Vp-p
Time (5ns/div)
LARGE-SIGNAL PULSE RESPONSE
+4
+3
G = +2
V_O = 5Vp-p
+2
+1
0
–1
–2
–3
–4
Time (5ns/div)
LARGE-SIGNAL DISABLE/ENABLE RESPONSE
6.0
V_DIS
4.0
2.0
0
Output Voltage
2.0
1.6
0.8
0.4
G = +2
V_IN = +1V
0
Time (50ns/div)
DISABLED FEEDTHROUGH vs FREQUENCY
–45
–50
V_DIS = 0
–55
–60
–65
–70
Forward
Reverse
–75
–80
–85
–90
–95
1
10
100
Frequency (MHz)
®
5
OPA3680