OP491GS View Datasheet(PDF) - Analog Devices
Part Name
Description
View to exact match
OP491GS Datasheet PDF : 20 Pages
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OP191/OP291/OP491
50
40
30
20
10
0
–10
–20
–30
–40
–50
10
VS = +3V
TA = +25°C
100 1k 10k 100k 1M 10M
FREQUENCY – Hz
160
140
120
100
80
60
40
20
0
–20
–40
100
CMRR
VS = +3V
TA = +25°C
1k
10k 100k 1M
10M
FREQUENCY – Hz
Figure 11. Closed-Loop Gain vs.
Frequency, VS = +3 V
160
140
120
100
80
60
40
20
0
–20
–40
100
±PSRR
VS = +3V
TA = +25°C
+PSRR
–PSRR
1k
10k 100k 1M
10M
FREQUENCY – Hz
Figure 14. PSRR vs. Frequency,
VS = +3 V
0.35
VS = +3V
0.30
0.25
0.20
0.15
0.10
0.05
–40
25
85
125
TEMPERATURE – °C
Figure 17. Supply Current vs.
Temperature, VS = +3 V, +5 V, ±5 V
Figure 12. CMRR vs. Frequency,
VS = +3 V
113
112
111
110
109
108
107
–40
VS = +3V
25
85
125
TEMPERATURE – °C
Figure 15. PSRR vs. Temperature,
VS = +3 V
2.8
2.6
VIN = +2.8Vp-p
VS = +3V
2.4
AV = +1
RL = 100k
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.1 0.5 1.0 10 30 50 70 100 150 200 250 300
FREQUENCY – kHz
Figure 18. Maximum Output Swing
vs. Frequency, VS = +3 V
90
VS = +3V
89
88
87
86
85
84
–40
25
85
125
TEMPERATURE – °C
Figure 13. CMRR vs. Temperature,
VS = +3 V
1.6
VS = +3V
1.4
1.2
1.0
+SR
0.8
0.6
0.4
–SR
0.2
0
–40
25
85
125
TEMPERATURE – °C
Figure 16. Slew Rate vs. Tempera-
ture, VS = +3 V
MKR: 36.2 nV/√Hz
100
90
10
0%
MKR:
0 Hz
1000 Hz
BW:
2.5kHz
15.0 Hz
Figure 19. Voltage Noise Density,
VS = +3 V to ±5 V, AVO = 1000
REV. 0
–7–
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