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(yè)數(shù)： 3/17頁(yè)
文件大小： 702K
代理商： OP249
–3–
REV. C
OP249
OP249G
Min
Parameter
Symbol
Conditions
Typ
Max
Units
Open Loop Output Resistance
Voltage Noise
Voltage Noise Density
R
O
e
n
p-p
e
n
35
2
75
26
17
16
0.003
±
15
μ
V p-p
nV/
√
Hz
nV/
√
Hz
nV/
√
Hz
nV/
√
Hz
pA/
√
Hz
V
0.1 Hz to 10 Hz
f
O
= 10 Hz
f
O
= 100 Hz
f
O
= 1 kHz
f
O
= 10 kHz
f
O
= 1 kHz
Current Noise Density
Voltage Supply Range
i
n
V
S
±
4.5
±
18
NOTES
1
Guaranteed by CMR test.
2
Guaranteed by design.
Specifications subject to change without notice.
ELECTRICAL CHARACTERISTICS
Symbol Conditions
OP249A
Min
OP249E
Min
OP249F
Min
Parameter
Typ
Max
Typ
Max
Typ
Max
Units
Offset Voltage
Offset Voltage Temperature
Coefficient
Input Bias Current
Input Offset Current
Input Voltage Range
V
OS
0.12
1.0
0.1
0.5
0.5
1.1
mV
TCV
OS
I
B
I
OS
IVR
1
4
0.04
+12.5
5
20
4
1
0.25
0.01
+12.5
3
3.0
0.7
2.2
0.3
0.02
+12.5
6
4.0
1.2
μ
V/
°
C
nA
nA
V
V
V
dB
μ
V/V
V/mV
V
V
V
(Note 1)
(Note 1)
(Note 2)
±
11
±
11
±
11
–12.5
110
5
1400
+12.5
–12.5
100
5
1400
+12.5
–12.5
90
7
1200
+12.5
Common-Mode Rejection
Power-Supply Rejection Ratio
Large-Signal Voltage Gain
Output Voltage Swing
CMR
PSRR
A
VO
V
O
V
CM
=
±
11 V
V
S
=
±
4.5 V to
±
18 V
R
L
= 2 k
; V
O
=
±
10 V 500
R
L
= 2 k
76
86
80
50
50
100
750
250
±
12.0
±
12.0
±
12.0
–12.5
–12.5
–12.5
Short-Circuit Current Limit
Supply Current
I
SC
Output Shorted to
Ground
No Load, V
O
= 0 V
±
10
±
60
7.0
±
18
±
60
7.0
±
18
±
60
7.0
mA
mA
I
SY
5.6
5.6
5.6
NOTES
1
T
= +85
°
C for E/F Grades; T
J
= +125
°
C for A Grade.
2
Guaranteed by CMR test.
Specifications subject to change without notice.
ELECTRICAL CHARACTERISTICS
(@ V
S
=
6
15 V, –40
8
C
≤
T
A
≤
+85
8
C for E/F grades, and –55
8
C
≤
T
A
≤
+125
8
C for
A grade unless otherwise noted)
OP249G
Min
Parameter
Symbol
Conditions
Typ
Max
Units
Offset Voltage
Offset Voltage Temperature
Coefficient
Input Bias Current
Input Offset Current
Input Voltage Range
V
OS
1.0
3.6
mV
TCV
OS
I
B
I
OS
IVR
6
0.5
0.04
+12.5
25
4.5
1.5
μ
V/
°
C
nA
nA
V
V
V
dB
μ
V/V
V/mV
V
V
V
(Note 1)
(Note 1)
(Note 2)
±
11
–12.5
95
10
1200
+12.5
Common-Mode Rejection
Power-Supply Rejection Ratio
Large-Signal Voltage Gain
Output Voltage Swing
CMR
PSRR
A
VO
V
O
V
CM
=
±
11 V
V
S
=
±
4.5 V to
±
18 V
R
L
= 2 k
; V
O
=
±
10 V
R
L
= 2 k
76
100
250
±
12.0
–12.5
Short-Circuit Current Limit
Supply Current
I
SC
Output Shorted to
Ground
No Load, V
O
= 0 V
±
18
±
60
7.0
mA
mA
I
SY
5.6
NOTES
1
T
= +85
°
C .
2
Guaranteed by CMR test.
Specifications subject to change without notice.
(@ V
S
=
6
15 V, –40
8
C
≤
T
A
≤
+85
8
C for unless otherwise noted)
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