OPA172-Q1 Datasheet, PDF (12/36 Pages) Texas Instruments – 36-V, Single-Supply, 10-MHz, Rail-to-Rail Output Automotive Grade Operational Amplifiers

OPA172-Q1, OPA2172-Q1, OPA4172-Q1
SBOS809 – NOVEMBER 2016
Typical Characteristics (continued)
at V_S = ±18 V, V_CM = V_S / 2, R_LOAD = 10 kΩ connected to V_S / 2, and C_L = 100 pF (unless otherwise noted)
140
180
25.0
C_LOAD = 15 pF
120
20.0
100
80
60
40
20
0
±20
1
Open-Loop Gain
135
Phase
90
45
0
10
100
1k
10k 100k 1M 10M
Frequency (Hz)
C004
15.0
10.0
5.0
0.0
±5.0
±10.0
±15.0
±20.0
1000
G = +1
G = -10
G = -1
10k
100k
1M
Frequency (Hz)
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10M
C003
Figure 19. Open-Loop Gain and Phase vs Frequency
2.0
1.5
1.0
V_s = 4.5 V
0.5
V_s = 36 V
0.0
R_L = 10kŸ
±0.5
±75 ±50 ±25
0 25 50 75 100 125 150
Temperature (ƒC)
C001
Figure 20. Closed-Loop Gain vs Frequency
1000
100
10
1
0
10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
C016
Figure 21. Open-Loop Gain vs Temperature
60
RI = 1 k
50
+
VIN = 100 mV
-
40
RF = 1 k
+ 18 V
-
+
- 18 V
ROUT
CL
G = -1
30
20
10
0
0p
100p
200p
300p
Capacitive Load (F)
R_OUT = 0 Ω
RR_OO_UT==2255 Ω
RR_OO_UT==5500 Ω
400p
500p
C013
Figure 23. Small-Signal Overshoot vs Capacitive Load
(100-mV Output Step)
Figure 22. Open-Loop Output Impedance vs Frequency
50
40
30
20
10
0
0p
100p
R_OUT= 0
RR_OO_UT==2255
RR_OO_UT==5500
+
VIN = 100mV
-
200p
300p
Capacitive Load (F)
+ 18 V
-
ROUT
+
- 18 V
RL
CL
400p
500p
C013
Figure 24. Small-Signal Overshoot vs Capacitive Load
(100-mV Output Step)
12
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