參數(shù)資料
型號： OPA27
英文描述： Ultra-Low-Noise Precision Operational Amplifier
中文描述： 超低噪聲精密運(yùn)算放大器
文件頁數(shù)： 2/13頁
文件大小： 213K
代理商： OPA27
2
OPA27, 37
SPECIFICATIONS
At V
CC
=
±
15V and
T
A
= +25
°
C
, unless otherwise noted.
OPA27/37G
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT NOISE
(6)
Voltage, f
O
= 10Hz
f
O
= 30Hz
f
O
= 1kHz
f
B
= 0.1Hz to 10Hz
Current,
(1)
f
O
= 10Hz
f
O
= 30Hz
f
O
= 1kHz
3.8
3.3
3.2
0.09
1.7
1.0
0.4
8.0
5.6
4.5
0.25
nV/
√
Hz
nV/
√
Hz
nV/
√
Hz
μ
Vp-p
pA/
√
Hz
pA/
√
Hz
pA/
√
Hz
0.6
OFFSET VOLTAGE
(2)
Input Offset Voltage
Average Drift
(3)
Long Term Stability
(4)
±
25
±
0.4
0.4
±
100
±
1.8
(6)
2.0
μ
V
T
A MIN
to T
A MAX
μ
V/
°
C
μ
V/mo
Supply Rejection
±
V
CC
= 4 to 18V
±
V
CC
= 4 to 18V
94
120
±
1
dB
μ
V/V
±
20
BIAS CURRENT
Input Bias Current
±
15
±
80
nA
OFFSET CURRENT
Input Offset Current
10
75
nA
IMPEDANCE
Common-Mode
2 || 2.5
G
|| pF
VOLTAGE RANGE
Common-Mode Input Range
Common-Mode Rejection
±
11
100
±
12.3
122
V
dB
V
IN
=
±
11VDC
R
L
≥
2k
R
L
≥
1k
OPEN-LOOP VOLTAGE GAIN, DC
117
124
124
dB
dB
FREQUENCY RESPONSE
Gain-Bandwidth Product
(5)
OPA27
OPA37
V
O
=
±
10V,
R
= 2k
OPA27, G = +1
OPA37, G = +5
OPA27, G = +1
OPA37, G = +5
5
(6)
45
(6)
8
MHz
MHz
63
Slew Rate
(5)
1.7
(6)
11
(6)
1.9
11.9
25
25
V/
μ
s
V/
μ
s
μ
s
μ
s
Settling Time, 0.01%
RATED OUTPUT
Voltage Output
R
L
≥
2k
R
≥
600
DC, Open Loop
R
L
= 0
±
12
±
10
±
13.8
±
12.8
70
25
V
V
Output Resistance
Short Circuit Current
60
(6)
mA
POWER SUPPLY
Rated Voltage
Voltage Range,
Derated Performance
Current, Quiescent
±
15
VDC
±
4
±
22
5.7
VDC
mA
I
O
= 0mADC
3.3
TEMPERATURE RANGE
Specification
Operating
–40
–40
+85
+85
°
C
°
C
NOTES: (1) Measured with industry-standard noise test circuit (Figures 1 and 2). Due to errors introduced by this method, these current noise specifications should
be used for comparison purposes only. (2) Offset voltage specification are measured with automatic test equipment after approximately 0.5 seconds from power turn-
on. (3) Unnulled or nulled with 8k
to 20k
potentiometer. (4) Long-term voltage offset vs time trend line does not include warm-up drift. (5) Typical specification only
on plastic package units. Slew rate varies on all units due to differing test methods. Minimum specification applies to open-loop test. (6) This parameter guaranteed by
design.
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