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Número de pieza | OP97 | |
Descripción | Low-Power / High-Precision Operational Amplifier | |
Fabricantes | Analog Devices | |
Logotipo | ||
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FEATURES
Low Supply Current: 600 A Max
OP07 Type Performance
Offset Voltage: 20 V Max
Offset Voltage Drift: 0.6 V/؇C Max
Very Low Bias Current
25؇C: 100 pA Max
–55؇C to +125؇C: 250 pA Max
High Common-Mode Rejection: 114 dB Min
Extended Industrial Temperature Range: –40؇C to +85؇C
Available In Die Form
Low-Power, High-Precision
Operational Amplifier
OP97
PIN CONNECTIONS
Epoxy Mini-DIP (P Suffix)
8-Pin Cerdip
(Z Suffix)
8-Pin SO (S Suffix)
NULL 1
–IN 2
+IN 3
V– 4
OP97 8 NULL
7 V+
6 OUT
5 OVER
COMP
GENERAL DESCRIPTION
The OP97 is a low power alternative to the industry-standard
OP07 precision amplifier. The OP97 maintains the standards of
performance set by the OP07 while utilizing only 600 µA supply
current, less than 1/6 that of an OP07. Offset voltage is an
ultralow 25 µV, and drift over temperature is below 0.6 µV/°C.
External offset trimming is not required in the majority of circuits.
Improvements have been made over OP07 specifications in
several areas. Notable is bias current, which remains below
250 pA over the full military temperature range. The OP97 is
ideal for use in precision long-term integrators or sample-and-
hold circuits that must operate at elevated temperatures.
Common-mode rejection and power supply rejection are also
improved with the OP97, at 114 dB minimum over wider
ranges of common-mode or supply voltage. Outstanding
PSR, a supply range specified from ± 2.25 V to ± 20 V and the
OP97’s minimal power requirements combine to make the
OP97 a preferred device for portable and battery-powered
instruments.
The OP97 conforms to the OP07 pinout, with the null potenti-
ometer connected between Pins 1 and 8 with the wiper to V+.
The OP97 will upgrade circuit designs using 725, OP05, OP07,
OP12, and 1012 type amplifiers. It may replace 741-type ampli-
fiers in circuits without nulling or where the nulling circuitry has
been removed.
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.
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
1 page 450
NO LOAD
425
400
TA = +125 C
375 TA = +25 C
350
TA = –55 C
325
300
0
؎5 ؎10 ؎15
SUPPLY VOLTAGE – V
؎20
TPC 10. Supply Current vs. Supply
Voltage
140
TA = 25 C
120
VS = 15V
VCM = 10V
100
80
60
40
20
0
1 10 100 1k 10k 100k 1M
FREQUENCY – Hz
TPC 11. Common-Mode Rejection
vs. Frequency
OP97
140
TA = 25 C
VS = 15V
120 ⌬VS = 10V p–p
100
–PSR
80
+PSR
60
40
20
0.1 1 10 100 1k 10k 100k 1M
FREQUENCY – Hz
TPC 12. Power-Supply Rejection
vs. Frequency
10000
VS = 15V
VO = 10V
1000
TA = –55 C
TA = +25 C
TA = +125 C
100
1
2 5 10
LOAD RESISTANCE – k⍀
20
TPC 13. Open-Loop Gain vs. Load
Resistance
1000
TA = 25 C
VS = 2V TO 20V
1000
100
CURRENT NOISE
100
10
1/f CORNER
2.5Hz
VOLTAGE NOISE
10
1/f CORNER
120Hz
11
1k 10k 100k 1M 10M 100M
FREQUENCY – Hz
TPC 14. Noise Density vs.
Frequency
10
TA = 25 C
VS = 2V TO 20V
1
R
R
0.1 RS = 2R
10Hz
1kHz
1kHz
10Hz
0.01
102
RESISTOR NOISE
103 104 105 106 107
SOURCE RESISTANCE – ⍀
108
TPC 15. Total Noise Density vs.
Source Resistance
RL = 10k⍀
VS = 15V
VCM = 0V
TA = +125 C
TA = +25 C
TA = –55 C
–15 –10 –5 0 5 10
OUTPUT VOLTAGE – V
15
Figure 16. Open-Loop Gain Linearity
35
TA = 25 C
30 VS = 15V
AVCL = +1
1% THD
25 fO = 1kHz
20
15
10
5
1
10 100 1k 10k
LOAD RESISTANCE – ⍀
TPC 17. Maximum Output Swing
vs. Load Resistance
35
TA = 25 C
30 VS = 15V
AVCL = 1
1% THD
25 Rl = 10k⍀
20
15
10
5
1
100
1k 10k
FREQUENCY – Hz
100k
TPC 18. Maximum Output Swing
vs. Frequency
REV. D
–5–
5 Page OP97
Revision History
Location
Page
Data Sheet changed from REV. C to REV. D.
Edits to ABSOLUTE MAXIMUM RATINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Edits to ORDERING GUIDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Deleted DICE CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Deleted WAFER TEST LIMITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Edits to APPLICATION INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
REV. D
–11–
11 Page |
Páginas | Total 12 Páginas | |
PDF Descargar | [ Datasheet OP97.PDF ] |
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