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OPA2680 Datasheet, PDF (9/22 Pages) Burr-Brown (TI) – Dual Wideband, Voltage Feedback OPERATIONAL AMPLIFIER With Disable | |||
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TYPICAL PERFORMANCE CURVES: VS = +5V
At TA = +25°C, G = +2, RF = 402â¦, and RL = 100â¦, unless otherwise noted. See Figure 2.
SMALL-SIGNAL FREQUENCY RESPONSE
6
3 VO = 0.5Vp-p
G = +1
RF = 25â¦
0
â3
G = +2
â6
â9
G = +5
â12
â15
G = +10
â18
â21
â24
0.5
10
100
500
Frequency (MHz)
12
9
6
3
0
â3
â6
â9
â12
â15
â18
0.5
LARGE-SIGNAL FREQUENCY RESPONSE
VO = 0.5Vp-p
VO = 1Vp-p
VO = 2Vp-p
VO = 3Vp-p
10
100
500
Frequency (MHz)
SMALL-SIGNAL PULSE RESPONSE
2.9
G = +2
2.8
VO = 0.5Vp-p
2.7
2.6
2.5
2.4
2.3
2.2
2.1
Time (5ns/div)
LARGE-SIGNAL PULSE RESPONSE
4.1
G = +2
3.7
VO = 2Vp-p
3.3
2.9
2.5
2.1
1.7
1.3
0.9
Time (5ns/div)
70
60
50
40
30
20
10
0
1
RECOMMENDED RS vs CAPACITIVE LOAD
Noise Gain = 2.6
10
100
Capacitive Load (pF)
FREQUENCY RESPONSE vs CAPACITIVE LOAD
12
Signal Gain = +2
9 Noise Gain = 2.6
6
CL = 47pF
CL = 10pF
CL = 22pF
3
CL = 100pF
+5V
0
â3
VI
â6
â9
â12
â15
0.1µF
714â¦
1/2
RS
58â¦
714⦠714⦠OPA2680
402â¦
0.1µF
402â¦
VO
CL
â18
0
100MHz
Frequency (20MHz/div)
200MHz
®
9
OPA2680
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