OPA191_017 Datasheet, PDF (13/51 Pages) Texas Instruments – 36-V, Low Power, Precision, CMOS, Rail-to-Rail Input/Output, Low Offset Voltage, Low Input Bias Current Op Amp

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OPA191, OPA2191, OPA4191
SBOS701A – DECEMEBER 2015 – REVISED APRIL 2016
At T_A = 25°C, V_S = ±18 V, V_CM = V_S / 2, R_L = 10 kΩ connected to V_S / 2, and C_L = 100 pF, unless otherwise noted.
40
40
30
30
20
20
10
10
0
Offset Voltage Drift (µV/ƒC)
C013
T_A = –40°C to +125°C, SOIC package
Figure 7. Offset Voltage Drift Distribution
125
Average r 3G
100
Average r 1G
75
50
25
0
-25
-50
-75
-100
-125
-75 -50 -25
0 25 50 75 100 125 150
Temperature (qC)
Statistical Distribution
Figure 9. Offset Voltage vs Temperature
25
15
V_CM = ±18.1 V
5
±5
±15
±25
±20 ±15 ±10 ±5
0
5
10
15
Common Mode Voltage (V)
C001
Figure 11. Offset Voltage vs Common-Mode Voltage
0
Offset Voltage Drift (µV/ƒC)
C013
T_A = 0°C to 85°C, SOIC package
Figure 8. Offset Voltage Drift Distribution
125
75
25
±25
±75
±125
±75 ±50 ±25 0
25 50 75
Temperature (ƒC)
4 typical units
100 125 150
C001
Figure 10. Offset Voltage vs Temperature
250
200
150
Transition
100
P-Channel
50
V_CM = -18.1 V
0
±50
±100
N-Channel
V_CM = 18 V
±150
±200
±250
13
14
15
16
17
18
19
Common Mode Voltage (V)
C001
Figure 12. Offset Voltage vs Common-Mode Voltage in
Transition Region
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