OPA140
OPA2140, OPA4140
SBOS498A –JULY 2010–REVISED AUGUST 2010
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TYPICAL CHARACTERISTICS (continued)
At TA = +25°C, VS = ±18V, RL = 2kΩ connected to midsupply, VCM = VOUT = midsupply, unless otherwise noted.
SMALL-SIGNAL OVERSHOOT
SMALL-SIGNAL OVERSHOOT
vs CAPACITIVE LOAD (100mV Output Step)
vs CAPACITIVE LOAD (100mV Output Step)
40
35
30
25
20
15
10
5
50
45
40
35
30
25
20
15
10
5
ROUT = 0W
G = +1
+15V
ROUT
ROUT = 0W
OPA140
RL
CL
ROUT = 24W
-15V
ROUT = 24W
ROUT = 51W
RF = 2kW
RI = 2kW
G = -1
+15V
ROUT
ROUT = 51W
OPA140
CL
-15V
0
0
0
200
400
600
800 1000 1200 1400 1600
0
500
1000
1500
2000
Capacitive Load (pF)
Capacitive Load (pF)
Figure 20.
Figure 21.
NO PHASE REVERSAL
MAXIMUM OUTPUT VOLTAGE vs FREQUENCY
35
30
25
20
15
10
5
Maximum output
voltage range
VS = ±15V
without slew-rate
induced distortion
Output
+18V
OPA140
VS = ±5V
Output
-18V
37VPP
VS = ±2.25V
Sine Wave
(±18.5V)
0
Time (0.4ms/div)
10k
100k
Frequency (Hz)
1M
10M
Figure 22.
Figure 23.
POSITIVE OVERLOAD RECOVERY
NEGATIVE OVERLOAD RECOVERY
VOUT
VIN
20kW
20kW
2kW
2kW
VIN
VOUT
OPA140
VOUT
OPA140
VIN
VIN
VOUT
G = -10
G = -10
Time (0.4ms/div)
Time (0.4ms/div)
Figure 24.
Figure 25.
10
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