THS4281 Datasheet, PDF (17/37 Pages) Texas Instruments – VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMPLIFIER

THS4281
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SLOS432A – APRIL 2004 – REVISED NOVEMBER 2009
TYPICAL CHARACTERISTICS (continued)
LARGE-SIGNAL
TRANSIENT RESPONSE
3
2.5
Output
2
1.5
1
0.5
Input
0
−0.5
−1
−1.5
−2
−2.5
−3
Gain = 2
R_L = 1 kΩ
R_F = 2.5 kΩ
V_S = ± 5 V
0 100 200 300 400 500 600 700 800
t − Time − ns
Figure 64.
(V_S = 5 V)
OVERDRIVE RECOVERY TIME
6
Gain = 2
5 RL = 1 kΩ
R_F = 2.5 kΩ
4
V_S = 5 V
4.25
3.75
3.25
3
2.75
2
Output
2.25
1
1.75
0
−1
0 0.5
Input
1 1.5 2 2.5
t − Time − µs
1.25
0.75
3 3.5
Figure 65.
(V_S = ±5 V)
OVERDRIVE RECOVERY TIME
6
Gain = 2
5
R_L = 1 kΩ
4 _{RF = 2.5 kΩ}
3 VS = ± 5 V
2
1
0
−1
−2
Output
−3
−4
−5
Input
−6
0 0.5 1 1.5 2 2.5 3
t − Time − µs
3
2
1
0
−1
−2
−3
3.5
Figure 66.
OVERDRIVE RESPONSE
OUTPUT VOLTAGE
vs TIME
3
6
VS = ±2.5 V
V_O
2
Gain = 2,
RL = 1 kΩ,
RF = 2 kΩ
4
1
2
0
V_I
0
−1
−2
−2
−4
−3
0
−6
20
40
60
80 100
t − Time − ms
Figure 67.
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