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| OPA191_017 Datasheet, PDF (16/51 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 â DECEMEBER 2015 â REVISED APRIL 2016
www.ti.com
At TA = 25°C, VS = ±18 V, VCM = VS / 2, RL = 10 kΩ connected to VS / 2, and CL = 100 pF, unless otherwise noted.
1
G = -1, 2k- Load
-40
G = -1, 10k- Load
G = +1, 2k- Load
0.1
G = +1, 10k- Load
-60
0.5
G = 1 V/V, RL = 2 k:
G = 1 V/V, RL = 10 k:
G = 1 V/V, RL = 2 k:
G = 1 V/V, RL = 10 k:
0.1
0.01
-80
0.001
-100
0.01
0.0001
0.00001
20
200
2k
Frequency (Hz)
-120
-140
20k
C004
200
180
160
140
120
100
80
60
40
20
0
0
Figure 25. THD+N vs Frequency
VS = r2.25 V
VS = r18 V
2 4 6 8 10 12 14 16 18 20
Supply Voltage (V)
0.001
0.0005
0.01
0.1
1
Output Amplitude (VRMS)
10 20
Figure 26. THD+N vs Output Amplitude
200
180
160
VS = ±18 V
140
VS = ±2.25 V
120
100
80
60
40
20
0
±75 ±50 ±25
0 25 50 75
Temperature (ÆC)
100 125 150
C001
Figure 27. Quiescent Current vs Supply Voltage
5.0
4.0
3.0
2.0
1.0
VS = ±2.25 V
0.0
±1.0
VS = ±18 V
±2.0
±3.0
±4.0
±5.0
±75 ±50 ±25
0 25 50 75
Temperature (ÆC)
RL = 10k Ω
100 125 150
C001
Figure 29. Open-Loop Gain vs Temperature
Figure 28. Quiescent Current vs Temperature
5.0
4.0
3.0
2.0
1.0
0.0
±1.0
±2.0
±3.0
±4.0
±5.0
±75 ±50 ±25
VS = ±2.25 V
VS = ±18 V
0 25 50 75
Temperature (ÆC)
RL = 2k Ω
100 125 150
C001
Figure 30. Open-Loop Gain vs Temperature
16
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Product Folder Links: OPA191 OPA2191 OPA4191
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