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参数资料
| 型号： | OP297GSZ |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 运算放大器 |
| 英文描述： | Dual Low Bias Current Precision Operational Amplifier; Package: SOIC; No of Pins: 8; Temperature Range: Industrial |
| 中文描述： | DUAL OP-AMP, 400 uV OFFSET-MAX, 0.5 MHz BAND WIDTH, PDSO8 |
| 封装： | LEAD FREE, MS-012AA, SOIC-8 |
| 文件页数： | 10/16页 |
| 文件大小： | 335K |
| 代理商： | OP297GSZ |
OP297
Rev. G | Page 3 of 16
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
@ VS = ±15 V, TA = 25°C, unless otherwise noted.
Table 1.
OP297E
OP297F
OP297G
Parameter
Symbol
Conditions
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
Input Offset Voltage
VOS
25
50
100
80
200
μV
Long-Term Input Voltage
Stability
0.1
μV/month
Input Offset Current
IOS
VCM = 0 V
20
100
35
150
50
200
pA
Input Bias Current
IB
VCM = 0 V
+20
±100
+35
±150
+50
±200
pA
Input Noise Voltage
en p-p
0.1 Hz to 10 Hz
0.5
μV p-p
Input Noise Voltage Density
en
fOUT = 10 Hz
20
nV/√Hz
fOUT = 1000 Hz
17
nV/√Hz
Input Noise Current Density
in
fOUT = 10 Hz
20
fA/√Hz
Input Resistance
Differential Mode
RIN
30
MΩ
Common-Mode
RINCM
500
GΩ
Large Signal Voltage Gain
AVO
VOUT = ±10 V,
RL = 2 kΩ
2000
4000
1500
3200
1200
3200
V/mV
Input Voltage Range1
VCM
±13
±14
±13
±14
±13
±14
V
Common-Mode Rejection
CMRR
VCM = ±13 V
120
140
114
135
114
135
dB
Power Supply Rejection
PSRR
VS = ±2 V to
±20 V
120
130
114
125
114
125
dB
Output Voltage Swing
VOUT
RL = 10 kΩ
±13
±14
±13
±14
±13
±14
V
RL = 2 kΩ
±13
±13.7
±13
±13.7
±13
±13.7
V
Supply Current per Amplifier
ISY
No load
525
625
525
625
525
625
μA
Supply Voltage
VS
Operating range
±2
±20
±2
±20
±2
±20
V
Slew Rate
SR
0.05
0.15
0.05
0.15
0.05
0.15
V/μs
Gain Bandwidth Product
GBWP
AV = +1
500
kHz
Channel Separation
CS
VOUT = 20 V p-p,
fOUT = 10 Hz
150
dB
Input Capacitance
CIN
3
pF
1 Guaranteed by CMR test.
@ VS = ±15 V, 40°C ≤ TA ≤ +85°C, unless otherwise noted.
Table 2.
OP297E
OP297F
OP297G
Parameter
Symbol
Conditions
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
Input Offset Voltage
VOS
35
100
80
300
110
400
μV
Average Input Offset Voltage Drift
TCVOS
0.2
0.6
0.5
2.0
0.6
2.0
μV/°C
Input Offset Current
IOS
VCM = 0 V
50
450
80
750
80
750
pA
Input Bias Current
IB
VCM = 0 V
+50
±450
+80
±750
+80
±750
pA
Large Signal Voltage Gain
AVO
VOUT = ±10 V,
RL = 2 kΩ
1200
3200
1000
2500
800
2500
V/mV
Input Voltage Range1
VCM
±13
±13.5
±13
±13.5
±13
±13.5
V
Common-Mode Rejection
CMRR
VCM = ±13
114
130
108
130
108
130
dB
Power Supply Rejection
PSRR
VS = ±2.5 V to
±20 V
114
108
dB
Output Voltage Swing
VOUT
RL = 10 kΩ
±13
±13.4
±13
±13.4
±13
±13.4
V
Supply Current per Amplifier
ISY
No load
550
750
550
750
550
750
μA
Supply Voltage
VS
Operating range
±2.5
±20
±2.5
±20
±2.5
±20
V
1 Guaranteed by CMR test.
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