OPA171_11 Datasheet, PDF (10/30 Pages) Texas Instruments – 36V, Single-Supply, SOT553, General-Purpose OPERATIONAL AMPLIFIERS

OPA171
OPA2171
OPA4171
SBOS516C – SEPTEMBER 2010 – REVISED JUNE 2011
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TYPICAL CHARACTERISTICS (continued)
V_S = ±18V, V_CM = V_S/2, R_LOAD = 10kΩ connected to V_S/2, and C_L = 100pF, unless otherwise noted.
OPEN-LOOP GAIN AND PHASE vs FREQUENCY
CLOSED-LOOP GAIN vs FREQUENCY
180
180
25
Gain
135
90
20
135
Phase
15
10
90
5
45
45
0
-5
0
-45
1
0
-45
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
-10
-15
-20
10k
G = 10
G=1
G = -1
100k
1M
10M
Frequency (Hz)
Figure 19.
Figure 20.
100M
OPEN-LOOP GAIN vs TEMPERATURE
3
5 Typical Units Shown
2.5
V_S = 2.7V
V_S = 4V
V_S = 36V
2
1.5
1
0.5
0
-75 -50 -25
0 25 50 75
Temperature (°C)
Figure 21.
100 125 150
OPEN-LOOP OUTPUT IMPEDANCE vs FREQUENCY
1M
100k
10k
1k
100
10
1
1m
1
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
Figure 22.
SMALL-SIGNAL OVERSHOOT vs CAPACITIVE LOAD
(100mV Output Step)
50
R_L = 10kW
45
40
35
30
25
20
G = +1
15
R_OUT = 0W
+18V
ROUT
10
R_OUT = 25W
OPA171
-18V
RL
CL
5
R_OUT = 50W
0
0 100 200 300 400 500 600 700 800 900 1000
Capacitive Load (pF)
Figure 23.
SMALL-SIGNAL OVERSHOOT vs CAPACITIVE LOAD
(100mV Output Step)
50
45
R_OUT = 0W
40
R_OUT = 25W
35
R_OUT = 50W
30
25
20
15
10
5
0
0
RI = 10kW
RF = 10kW
+18V
OPA171
-18V
G = -1
ROUT
CL
100 200 300 400 500 600 700 800 900 1000
Capacitive Load (pF)
Figure 24.
10
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