OPA172IDR Datasheet, PDF (10/29 Pages) Texas Instruments – 36-V Single-Supply 10-MHz Rail-to-Rail Output Operational Amplifiers

OPA172
OPA2172
OPA4172
SBOS618 – DECEMBER 2013
www.ti.com
TYPICAL CHARACTERISTICS (continued)
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
Open-Loop Gain
135
80
Phase
60
90
40
20
45
0
±20
1
0
10
100
1k
10k 100k 1M 10M
Frequency (Hz)
C004
Figure 19. OPEN-LOOP GAIN AND PHASE vs FREQUENCY
15.0
10.0
5.0
0.0
±5.0
±10.0
G = +1
±15.0
G = -10
±20.0
G = -1
1000
10k
100k
1M
10M
Frequency (Hz)
C003
Figure 20. CLOSED-LOOP GAIN vs FREQUENCY
2.0
1000
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 21. OPEN-LOOP GAIN vs TEMPERATURE
60
RI = 1 k
50
+
VIN = 100mV
±
40
RF = 1 k
+ 18 V
±
OPA172
+
± 18 V
ROUT
CL
G = -1
30
20
R_OUT = 0
10
RR_OO_UT==2255
0
0p
100p
200p
300p
RR_OO_UT==5500
400p
500p
Capacitive Load (F)
C013
Figure 23. SMALL-SIGNAL OVERSHOOT vs CAPACITIVE
LOAD (100-mV Output Step)
100
10
1
0
10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
C016
Figure 22. OPEN-LOOP OUTPUT IMPEDANCE vs
FREQUENCY
50
G = +1
40
30
20
10
0
0p
100p
R_OUT= 0
RO = 25 R = 25 _OUT
+
VIN = 100mV
±
RR_OO_UT==5500
200p
300p
+ 18 V
±
OPA172
+
± 18 V
ROUT
RL
CL
400p
500p
Capacitive Load (F)
C013
Figure 24. SMALL-SIGNAL OVERSHOOT vs CAPACITIVE
LOAD (100-mV Output Step)
10
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