OPA197_16 Datasheet, PDF (13/39 Pages) Texas Instruments – 36-V, Precision, Rail-to-Rail Input/Output, Low Offset Voltage Operational Amplifiers

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OPA197, OPA2197, OPA4197
SBOS737A – JANUARY 2016 – REVISED JULY 2016
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)
100
200
75
150
50
100
25
50
0
0
-25
-50
-50
-100
-75
-150
-100
13
14
15
16
17
18
19
Common-Mode Voltage (V)
-200
-2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5
Common-Mode Voltage (V)
6 typical units
Figure 7. Offset Voltage vs Common-Mode Voltage
100
75
50
25
0
-25
-50
-75
-100
0 2 4 6 8 10 12 14 16 18 20
Power-Supply Voltage (V)
6 typical units
Figure 9. Offset Voltage vs Power Supply
60
G = 100 V/V
G = +1 V/V
G = 10 V/V
40
G = -1 V/V
20
0
-20
1k
10k
100k
1M
Frequency (Hz)
10M 50M
6 typical units
Figure 8. Offset Voltage vs Common-Mode Voltage
140
280
Open Loop Gain
120
Phase
240
100
200
80
160
60
120
40
80
20
40
0
0
-20
1
-40
10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
C_LOAD = 15 pF
Figure 10. Open-Loop Gain and Phase vs Frequency
1000
800
600
400
200
0
±200
±400
±600
±800
±1000
±20.0 ±15.0 ±10.0 ±5.0 0.0 5.0
V_CM (V)
10.0 15.0 20.0
C001
Figure 11. Closed-Loop Gain and Phase vs Frequency
Figure 12. Input Bias Current vs Common-Mode Voltage
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