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参数资料
| 型号： | 5962-9452101M2A |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 运算放大器 |
| 英文描述： | QUAD OP-AMP, 75 uV OFFSET-MAX, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 1/12页 |
| 文件大小： | 297K |
| 代理商： | 5962-9452101M2A |
REV. D
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
a
OP497
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 2002
Precision Picoampere Input Current
Quad Operational Amplifier
FEATURES
Low Offset Voltage: 50
V max
Low Offset Voltage Drift: 0.5
V/ C max
Very Low Bias Current
25 C: 100 pA max
–55 C to +125 C: 450 pA max
Very High Open-Loop Gain: 2000 V/mV min
Low Supply Current (per Amplifier): 625
A max
Operates from
2 V to
20 V Supplies
High Common-Mode Rejection: 120 dB min
APPLICATIONS
Strain Gage and Bridge Amplifiers
High Stability Thermocouple Amplifiers
Instrumentation Amplifiers
Photo-Current Monitors
High Gain Linearity Amplifiers
Long-Term Integrators/Filters
Sample-and-Hold Amplifiers
Peak Detectors
Logarithmic Amplifiers
Battery-Powered Systems
GENERAL DESCRIPTION
The OP497 is a quad op amp with precision performance in the
space-saving, industry standard 16-lead SOlC package. Its com-
bination of exceptional precision with low power and extremely
low input bias current makes the quad OP497 useful in a wide
variety of applications.
Precision performance of the OP497 includes very low offset,
under 50
V, and low drift, below 0.5 V/°C. Open-loop gain
exceeds 2000 V/mV ensuring high linearity in every application.
Errors due to common-mode signals are eliminated by the OP497’s
common-mode rejection of over 120 dB. The OP497’s power
supply rejection of over 120 dB minimizes offset voltage changes
experienced in battery-powered systems. Supply current of the
OP497 is under 625
A per amplifier, and it can operate with
supply voltages as low as
±2 V.
The OP497 utilizes a superbeta input stage with bias current can-
cellation to maintain picoamp bias currents at all temperatures.
This is in contrast to FET input op amps whose bias currents start
in the picoamp range at 25
°C, but double for every 10°C rise in
temperature, to reach the nanoamp range above 85
°C. Input bias
current of the OP497 is under 100 pA at 25
°C and is under 450
pA over the military temperature range.
Combining precision, low power, and low bias current, the
OP497 is ideal for a number of applications, including instru-
mentation amplifiers, log amplifiers, photo-diode preamplifiers,
and long-term integrators. For a single device, see the OP97; for a
dual device, see the OP297.
PIN CONNECTIONS
16-Lead Wide Body SOIC
(S-Suffix)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
–
+
NC = NO CONNECT
OUT A
–IN A
+IN A
V+
+IN B
–IN B
OUT B
OUT D
–IN D
+IN D
V–
+IN C
–IN C
OUT C
NC
–
+
–
+
–
+
OP497
14-Lead Plastic Dip
(P-Suffix)
14-Lead Ceramic Dip
(Y-Suffix)
1
2
3
4
5
6
7
14
13
12
11
10
9
8
OUT A
–IN A
+IN A
V+
+IN B
–IN B
OUT B
OUT D
–IN D
+IN D
V–
+IN C
–IN C
OUT C
–
+
–
+
–
+
–
+
OP497
VS =
15V
VCM = 0V
1000
100
10
–75
–50
–25
0
25
50
75
100
125
INPUT
CURRENT
–
PA
TEMPERATURE – C
–IB
+IB
IOS
Input Bias, Offset Current vs. Temperature
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| 5962-9455301MCX | QUAD OP-AMP, 350 uV OFFSET-MAX, 4 MHz BAND WIDTH, CDIP14 |
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| 5962-9460202QPA | DUAL OP-AMP, 10500 uV OFFSET-MAX, 9.4 MHz BAND WIDTH, CDIP8 |
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