OPA191_017 Datasheet, PDF (15/51 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.
0
140
40qC
-2
25qC
-4
85qC
120
125qC
-6
100
-8
-10
-12
-14
-16
-18
-20
0
20
40
60
80
100
Output Current (mA)
Sinking
80
60
40
20
0
0.1
CMRR
+PSRR
±PSRR
1.0 10.0 100.0 1k 10k 100k 1M 10M
Frequency (Hz)
C004
Figure 19. Output Voltage Swing vs Output Current
Figure 20. CMRR and PSRR vs Frequency
10
5
8 ^VS ^{= ±2.25 V, (V±) ” 9}CM ^{” 9 ± 3 V}
4
6
3
4
2
2
1
0
0
-2
V_S = ±18 V, (V±) ” 9_CM ” 9 ± 3 V
-1
-4
-2
-6
-3
-8
-4
-10
±75 ±50 ±25
0 25 50 75
Temperature (ƒC)
100 125 150
C001
-5
±75 ±50 ±25
0 25 50 75 100 125 150
Temperature (ƒC)
C001
Figure 21. CMRR vs Temperature
Figure 22. PSRR vs Temperature
100
Time (1 s/div)
Figure 23. 0.1-Hz to 10-Hz Noise
10
1
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
C002
Figure 24. Input Voltage Noise Spectral Density
vs Frequency
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