Datasheet

10k
1k
100
10
1
1m
Z ( )W
O
1 10 100 1k 10k 10M
Frequency(Hz)
100k 1M
40
35
30
25
20
15
10
5
0
Overshoot (%)
0 100 200 300 400 500 600 700 800 900 1000
Capacitive Load (pF)
+18 V
-18 V
R
OUT
C
L
Device
R
L
G = +1
R = 0 W
OUT
R = 25 W
OUT
R = 50 W
OUT
R = kW
L
10
25
20
15
10
5
0
5
10
15
20
-
-
-
-
Gain(dB)
10k 10M
Frequency(Hz)
1M100k
G=10
G=+1
G= 1-
3
2.5
2
1.5
1
0.5
0
A ( V/V)m
OL
-55 -35 -15 5 25 125
Temperature( C)°
45 1058565
V =4V,R =10kW
SUPPLY L
V =36V,R =10kW
SUPPLY L
0.5
0.48
0.46
0.44
0.42
0.4
0.38
0.36
0.34
0.32
0.3
I (mA)
Q
-55 -35 -15 5 25 125
Temperature( C)°
45 1058565
V = 18V±
S
V = 2V±
S
1 10 100 1k 10k 100k 1M 10M 100M
−20
0
20
40
60
80
100
120
140
0
45
90
135
180
Frequency (Hz)
Gain (dB)
Phase (°)
Gain
Phase
G001
OPA2188
www.ti.com SBOS525B –AUGUST 2011–REVISED SEPTEMBER 2012
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.
QUIESCENT CURRENT vs TEMPERATURE OPEN-LOOP GAIN AND PHASE vs FREQUENCY
Figure 19. Figure 20.
CLOSED-LOOP GAIN vs FREQUENCY OPEN-LOOP GAIN vs TEMPERATURE
Figure 21. Figure 22.
SMALL-SIGNAL OVERSHOOT vs CAPACITIVE LOAD
OPEN-LOOP OUTPUT IMPEDANCE vs FREQUENCY (100-mV Output Step)
Figure 23. Figure 24.
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