OP291GP 查看數據表（PDF） - Analog Devices
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OP291GP Datasheet PDF : 20 Pages
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50
40
VS = +3V
TA = 25؇C
30
20
10
0
–10
–20
–30
–40
–50
10 100 1k 10k 100k 1M 10M
FREQUENCY – Hz
TPC 10. 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
TPC 13. PSRR vs. Frequency,
VS = +3 V
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
TPC 11. CMRR vs. Frequency,
VS = +3 V
113
VS = +3V
112
111
110
109
108
107
–40
25
85
125
TEMPERATURE – ؇C
TPC 14. PSRR vs. Temperature,
VS = +3 V
0.35
0.30
VS = +3V
0.25
0.20
0.15
0.10
0.05
–40
25
85
125
TEMPERATURE – ؇C
TPC 16. Supply Current vs.
Temperature, VS = +3 V, +5 V, ±5 V
2.8
2.6
VIN = +2.8V p-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
TPC 17. Maximum Output Swing vs.
Frequency, VS = +3 V
OP191/OP291/OP491
90
VS = +3V
89
88
87
86
85
84
–40
25
85
125
TEMPERATURE – ؇C
TPC 12. CMRR vs. Temperature,
VS = +3 V
1.6
VS = +3V
1.4
1.2
؉SR
1.0
0.8
0.6
0.4
–SR
0.2
0
–40
25
85
125
TEMPERATURE – ؇C
TPC 15. Slew Rate vs. Tempera-
ture, VS = +3 V
MKR: 36.2 nV/ΊHz
100
90
10
0%
MKR:
0 Hz
1000 Hz
BW:
2.5kHz
15.0 Hz
TPC 18. Voltage Noise Density,
VS = +3 V to ±5 V, AVO = 1000
REV. A
–7–
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