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PDF AMSOP-77GP Data sheet ( Hoja de datos )
| Número de pieza | AMSOP-77GP | |
| Descripción | ULTRA LOW OFFSET VOLTAGE OPERATIONAL AMPLIFIER | |
| Fabricantes | Advanced Monolithic Systems | |
| Logotipo |  |
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Advanced
Monolithic
Systems
AMSOP-77
ULTRA LOW OFFSET VOLTAGE OPERATIONAL AMPLIFIER
FEATURES
• Outstanding Linearity
• Low VOS overTemperature.…………………. 55µV Max
• Excellent VOS Drift………………………. 0.6µV/°C Max
• Ultra High Gain………………………….5000V/mV Min
• High PSRR……………………………………3µV/V Max
• Low Power Consumption…………………….60mW Max
APPLICATIONS
• High-Gain Instrumentation
• Precision Data Acquisition
• Precision Integrators
• Precision Threshold Detectors
• Biomedical Amplifiers
GENERAL DESCRIPTION
The AMSOP-77 is a precision operational amplifier with an ultra low input offset voltage. This device features a wide input
voltage range of ±13V minimum, low input bias current, high impedance, high PSRR, high CMRR, excellent stability of
offsets and gain over time and temperature. Exceptional gain linearity eliminates incorrectable system nonlinearities common
in previous monolithic op amps, and provides superior performance in high closed-loop gain applications.
Low cost, low noise, low offsets and high open-loop gain make the AMSOP-77 an excellent choice particularly for high-gain
instrumentation applications. Other applications include precision data acquisition, precision integrators, threshold detectors
and medical instrumentation.
The AMSOP-77 is operational in the commercial temperature range of 0°C to 70°C and is available in the 8 lead SOIC and
plastic dip (PDIP) packages.
ORDERING INFORMATION:
TOL.
PACKAGE TYPE
8 LEAD SOIC
8 LEAD PDIP
±25µV AMSOP-77ES
±60µV AMSOP-77FS
±100µV AMSOP-77GS
AMSOP-77EP
AMSOP-77FP
AMSOP-77GP
OPERATING
TEMPERATURE RANGE
0 to 70° C
0 to 70° C
0 to 70° C
PIN CONNECTIONS
8 Lead SOIC/ 8Lead PDIP
VOS TRIM 1
-IN 2
+IN 3
V- 4
8 VOS TRIM
7 V+
6 OUT
5 N/C
Top View
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
1 page  
TYPICAL APPLICATIONS
Precision High-Gain Differential Amplifier
R2
+15V
1MΩ
0.1µF
R1
2-
7
1kΩ
R3
1kΩ
6
OP-77E
3+
4 0.1µF
R4
1MΩ
-15V
AMSOP-77
The high gain, gain linearity, CMRR, low TCVOS of the OP-77 make
it possible to obtain performance not previously available in single
stage very high-gain amplifier applications.
For the best CMR, R1 must equal R3 . In this example, with a
R2 R4
10mV differential signal, the maximum errors are as listed.
TYPE
COMMON-MODE VOLTAGE
GAIN LINEARITY, WORST CASE
TCVOS
TCIOS
AMOUNT
0.01%/V
0.02%
0.008%/°C
0.008%/°C
R1
VIN 100kΩ
R2
100kΩ
Basic Current Source
Bilateral Current Source
R3
1kΩ
2-
OP-77
3+
6
R4
990Ω
R5
10Ω
IOUT ≤ 15mA
R1
VIN
R2
These current sources will supply both positive and negative current into a grounded load.
R5 R4 + 1
Note
that
ZO =
R2
R5 + R4 −
R3
and that for ZO to be indefinite,
R5 + R4 must = R3 .
R2 R1
R2 R1
100mA current Source
R3
+15V
2-
OP-77
3+
6 50Ω
R4
2N2222
2N2907
R5
-15V
IOUT ≤ 100mA
IOUT = VIN R3
R1* R5
GIVEN R3= R4+R5, R1=R2
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet AMSOP-77GP.PDF ] | |
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