OPA140 Datasheet, PDF (12/44 Pages) Texas Instruments – 11-MHz JFET Op Amp

OPA140, OPA2140, OPA4140
SBOS498B – JULY 2010 – REVISED NOVEMBER 2015
www.ti.com
Typical Characteristics (continued)
at T_A = 25°C, V_S = ±18 V, R_L = 2 kΩ connected to midsupply, V_CM = V_OUT = midsupply, unless otherwise noted.
40
R_OUT = 0W
G = +1
35
+15V
ROUT
OPA140
30
-15V
RL
CL
50
45
40
R_OUT = 0W
35
R_OUT = 24W
25
R_OUT = 24W
30
20
25
15
10
5
0
0
R_OUT = 51W
200 400 600 800 1000 1200 1400 1600
20
15
10
5
0
0
R_OUT = 51W
500
1000
RI = 2kW
RF = 2kW
+15V
OPA140
-15V
G = -1
ROUT
CL
1500
2000
Capacitive Load (pF)
Capacitive Load (pF)
Figure 19. Small-Signal Overshoot vs Capacitive Load
(100-mV Output Step)
Output
+18V
OPA140
-18V
37VPP
Sine Wave
(±18.5V)
Output
Time (0.4ms/div)
Figure 20. Small-Signal Overshoot vs Capacitive Load
(100-mV Output Step)
35
30
V_S = ±15V
25
Maximum output
voltage range
without slew-rate
induced distortion
20
15
10
V_S = ±5V
5
V_S = ±2.25V
0
10k
100k
1M
10M
Frequency (Hz)
Figure 21. No Phase Reversal
V_OUT
Figure 22. Maximum Output Voltage vs Frequency
V_IN
V_IN
2kW
V_IN
20kW
OPA140
V_OUT
G = -10
Time (0.4ms/div)
Figure 23. Positive Overload Recovery
V_OUT
2kW
V_IN
20kW
OPA140
V_OUT
G = -10
Time (0.4ms/div)
Figure 24. Negative Overload Recovery
12
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