OPA4188 Datasheet, PDF (11/35 Pages) Texas Instruments – Zero-Drift Operational Amplifiers

www.ti.com
OPA4188
SBOS641C – JUNE 2012 – REVISED NOVEMBER 2015
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.
500
+I_B
400
-I_B
300
I_OS
4000
I_B+
3000
I_B-
I_OS
2000
200
100
1000
0
-100
-200
0
-1000
-300
-20 -15 -10
-5 0
5
V_CM (V)
10 15 20
-2000
-55 -35 -15
5 25 45 65 85 105 125 150
Temperature (°C)
Figure 7. I_B and I_OS vs Common-Mode Voltage
20
19
-40°C
18
+85°C
17
+125°C
16
15
14
-14
-15
-16
-17
-18
-19
-20
0 2 4 6 8 10 12 14 16 18 20 22 24
Output Current (mA)
Figure 8. 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 9. Output Voltage Swing vs Output Current
(Maximum Supply)
40
(V-) < V_CM < (V+) - 1.5 V
35
(V-) + 0.5 V < V_CM < (V+) - 1.5 V
30
V_SUPPLY = ±2 V
25
20
15
10
5
0
-55 -35 -15
5 25 45 65 85 105 125 150
Temperature (°C)
Figure 10. CMRR and PSRR vs Frequency
(Referred-to-Input)
8
(V-) < V_CM < (V+) - 1.5 V
7
(V-) + 0.5 V < V_CM < (V+) - 1.5 V
6
V_SUPPLY = ±18 V
5
4
3
2
1
0
-55 -35 -15
5 25 45 65 85 105 125 150
Temperature (°C)
Figure 11. CMRR vs Temperature
Figure 12. CMRR vs Temperature
Copyright © 2012–2015, Texas Instruments Incorporated
Product Folder Links: OPA4188
Submit Documentation Feedback
11