OPA188_13 Datasheet, PDF (10/33 Pages) Texas Instruments – Precision, Low-Noise, Rail-to-Rail Output,36-V, Zero-Drift Operational Amplifiers

OPA188
SBOS642A – MARCH 2013 – REVISED MARCH 2013
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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
120
100
GBW = 2MHz
Dominant Pole @7mHz
0
25
Gain
20
Phase
45
15
80
60
40
20
0
±20
1
90
135
180
10
100
1k
10k 100k 1M 10M
C007
Figure 8. OPEN-LOOP GAIN AND PHASE vs FREQUENCY
10
5
0
-5
-10
G = 10
-15
G = +1
G = -1
-20
10k
100k
1M
10M
Frequency (Hz)
Figure 9. CLOSED-LOOP GAIN vs FREQUENCY
500
I_B+
400
I_B-
300
I_OS
200
100
0
-100
-200
-300
-20 -15 -10 -5 0
5 10 15 20
V_CM (V)
Figure 10. I_B AND I_OS vs COMMON-MODE VOLTAGE
(V+) + 2
(V+) + 1
(V+)
(V+) - 1
(V+) - 2
(V+) - 3
(V+) - 4
-40°C
+25°C
+125°C
(V-) + 4
(V-) + 3
(V-) + 2
(V-) + 1
(V-)
(V-) - 1
(V-) - 2
0 2 4 6 8 10 12 14 16 18 20 22 24
Output Current (mA)
Figure 12. OUTPUT VOLTAGE SWING vs
OUTPUT CURRENT (Maximum Supply)
4000
I_B+
3000
I_B-
I_OS
2000
1000
0
-1000
-2000
-55 -35 -15 5
25 45 65 85 105 125
Temperature (°C)
Figure 11. INPUT BIAS CURRENT vs TEMPERATURE
160
140
120
100
80
60
40
20
0
1
+PSRR
-PSRR
CMRR
10
100
1k
10k
100k
1M
Frequency (Hz)
Figure 13. CMRR AND PSRR vs FREQUENCY
(Referred-to-Input)
10
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