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參數(shù)資料
| 型號(hào)： | OP249 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Dual, Precision JFET High Speed Operational Amplifier |
| 中文描述： | 雙路，高速精密JFET運(yùn)算放大器 |
| 文件頁數(shù)： | 6/17頁 |
| 文件大?。?/td> | 702K |
| 代理商： | OP249 |
OP249
–6–
REV. C
FREQUENCY – Hz
O
120
1k
100
80
60
40
20
0
–20
10k
100k
1M
10M
100M
0
45
90
135
180
225
T
A
= +25
8
C
V
S
=
6
15V
R
L
= 2k
V
U
m = 55
GAIN
PHASE
P
8
C
Figure 4. Open-Loop Gain, Phase vs.
Frequency
FREQUENCY – Hz
P
1k
120
100
80
60
40
20
0
10k
100k
1M
T
A
= +25
8
C
V
S
=
6
15V
100
10
–PSRR
+PSRR
Figure 7. Power Supply Rejection vs.
Frequency
CAPACITIVE LOAD – pF
S
m
s
35
30
0
25
T
A
= +25
8
C
V
S
=
6
15V
20
15
10
5
100
200
300
400
500
NEGATIVE
POSITIVE
Figure 10. Slew Rate vs. Capacitive
Load
TEMPERATURE –
8
C
P
8
C
65
60
45
–75
55
50
–50
–25
0
25
50
75
100 125
G
10
8
2
6
4
V
S
=
6
15V
GBW
U
m
Figure 5. Gain Bandwidth Product,
Phase Margin vs. Temperature
TEMPERATURE –
8
C
S
m
s
28
26
–75
24
–50
–25
0
25
50
75
100 125
V
S
=
6
15V
R
L
= 2k
V
C
L
= 50pF
+SR
–SR
22
20
18
16
Figure 8. Slew Rate vs. Temperature
0.1%
SETTLING TIME – ns
O
0
T
A
= +25
8
C
V
S
=
6
15V
A
VCL
= +1
–10
200
400
600
800
1000
0.01%
–8
–6
–4
–2
0
2
4
6
8
10
0.1%
0.01%
Figure 11. Settling Time vs. Step
Size
FREQUENCY – Hz
C
140
1k
120
100
80
60
40
20
0
100
10k
100k
1M
10M
T
A
= +25
8
C
V
S
=
6
15V
Figure 6. Common-Mode Rejection
vs. Frequency
DIFFERENTIAL INPUT VOLTAGE – Volts
S
m
s
28
26
0
24
T
A
= +25
8
C
V
S
=
6
15V
R
L
= 2k
V
22
20
18
16
0.2
0.4
0.6
0.8
1.0
Figure 9. Slew Rate vs. Differential
Input Voltage
FREQUENCY – Hz
100
0
100
80
60
40
20
0
T
A
= +25
8
C
V
S
=
6
15V
1k
10k
V
H
Figure 12. Voltage Noise Density vs.
Frequency
–Typical Performance Characteristics
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|---|---|
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