OPA197 Datasheet, PDF (14/41 Pages) Texas Instruments – Operational Amplifiers

OPA197, OPA2197, OPA4197
SBOS737 – JANUARY 2016
www.ti.com
at T_A = 25°C, 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)
3000
I_B-
I_B+
I_OS
2000
(V-) + 5
(V-) + 4
+125°C
+85°C
(V-) + 3
1000
0
(V-) + 2
(V-) + 1
(V-)
25°C
-40°C
-1000
-75 -50 -25
0 25 50
Temperature (qC)
75 100 125
(V-) - 1
0
10 20 30 40 50 60 70 80
Output Current (mA)
C001
Figure 13. Input Bias Current vs Temperature
(V+) + 1
(V+)
(V+) - 1
(V+) - 2
(V+) - 3
+125°C
25°C
-40°C
(V+) - 4
(V+) - 5
0
+85°C
10 20 30 40 50 60 70 80
Output Current (mA)
C001
Figure 14. Output Voltage Swing from Negative Power
Supply vs Output Current (Maximum Supply)
160.0
140.0
120.0
100.0
80.0
60.0
40.0
20.0
0.0
1
+PSRR
CMRR
-PSRR
10
100
1k
10k 100k 1M
Frequency (Hz)
C012
Figure 15. Output Voltage Swing from Positive Power
Supply vs Output Current (Maximum Supply)
10
8
6
4
2
V_S = ±2.25 V
0
±2
±4
V_S = ±18 V
±6
±8
±10
±75 ±50 ±25
0 25 50 75
Temperature (ƒC)
100 125 150
C001
Figure 16. CMRR and PSRR vs Frequency
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
±75 ±50 ±25
0 25 50 75 100 125 150
Temperature (ƒC)
C001
Figure 17. CMRR vs Temperature
Figure 18. PSRR vs Temperature
14
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