OPA188-Q1 Datasheet, PDF (13/37 Pages) Texas Instruments – Precision, Low-Noise, Rail-to-Rail Output, 36-V, Zero-Drift, Automotive-Grade Operational Amplifier

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OPA188-Q1, OPA2188-Q1
SBOS860 – APRIL 2017
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
120
100
GBW = 2MHz
Dominant Pole @7mHz
0
25
Gain
20
Phase
45
15
80
10
60
90
5
40
0
20
135
-5
0
-10
G = 10
±20
1
180
10
100
1k
10k 100k 1M 10M
-15
G = +1
G = -1
-20
C007
10k
100k
1M
10M
Frequency (Hz)
Figure 7. Open-Loop Gain and Phase vs Frequency
500
I_B+
400
I_B-
300
I_OS
200
100
0
-100
-200
-300
-20 -15 -10
-5 0
5
V_CM (V)
10 15 20
Figure 9. 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)
OPA188-Q1 is specified from T_A = –40°C to +125°C
OPA2188-Q1 is specified from T_A = –40°C to +105°C
Figure 11. Output Voltage Swing vs
Output Current (Maximum Supply)
4000
3000
2000
Figure 8. Closed-Loop Gain vs Frequency
I_B+
I_B-
I_OS
1000
0
-1000
-2000
-55 -35 -15 5
25 45 65 85 105 125
Temperature (°C)
OPA188-Q1 is specified from T_A = –40°C to +125°C
OPA2188-Q1 is specified from T_A = –40°C to +105°C
Figure 10. 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 12. CMRR and PSRR vs Frequency
(Referred-to-Input)
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Product Folder Links: OPA188-Q1 OPA2188-Q1