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OPA191_16 Datasheet, PDF (15/49 Pages) Texas Instruments – Low Input Bias Current Op Amp | |||
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www.ti.com
OPA191, OPA2191, OPA4191
SBOS701A â DECEMEBER 2015 â REVISED APRIL 2016
At TA = 25°C, VS = ±18 V, VCM = VS / 2, RL = 10 kΩ connected to VS / 2, and CL = 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±) â 9CM â 9 ± 3 V
4
6
3
4
2
2
1
0
0
-2
VS = ±18 V, (V±) â 9CM â 9 ± 3 V
-1
-4
-2
-6
-3
-8
-4
-10
±75 ±50 ±25
0 25 50 75
Temperature (ÆC)
100 125 150
C001
-5
±75 ±50 ±25
0 25 50 75 100 125 150
Temperature (ÆC)
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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