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參數(shù)資料
| 型號(hào)： | op297 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Dual Low Bias Current Precision Operational Amplifier(低偏置電流精密雙運(yùn)放) |
| 中文描述： | 雙低偏置電流高精度運(yùn)算放大器（低偏置電流精密雙運(yùn)放） |
| 文件頁(yè)數(shù)： | 5/16頁(yè) |
| 文件大?。?/td> | 193K |
| 代理商： | OP297 |
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8/21/97 4:00 PM
OP297
–5–
REV. D
INPUT OFFSET VOLTAGE (
μ
V)
N
400
300
200
100
0
20
40 60 80 100
1200 UNITS
T
A
= +25
°
C
V
S
=
±
15V
V
CM
= 0V
Figure 4. Typical Distribution of Input
Offset Voltage
TEMPERATURE (
°
C)
I
60
40
20
0
20
–40
–60
–75 –50 –25
0
25
50
75
100 125
V
S
=
±
15V
V
CM
= 0V
I
B
–
I
B
+
I
OS
Figure 7. Input Bias, Offset Current
vs. Temperature
SOURCE RESISTANCE (
)
E
μ
V
10
100
1k
10k
100k
1M
10M
10000
1000
100
10
BALANCED OR UNBALANCED
V
S
=
±
15V
V
CM
= 0V
–55
°
C
≤
T
A
≤
125
°
C
T
A
= +25
°
C
Figure 10. Effective Offset Voltage
vs. Source Resistance
Typical Performance Characteristics–
INPUT BIAS CURRENT (pA)
N
–100 –80 –60 –40 –20
0
20 40
60 80 100
250
200
150
100
50
0
1200
UNITS
T
A
= +25
°
C
V
S
=
±
15V
V
CM
= 0V
Figure 5. Typical Distribution of Input
Bias Current
COMMON-MODE VOLTAGE (VOLTS)
I
60
40
20
0
–20
–40
–60
–15
–10
–5
0
5
10
15
T
A
= +25
°
C
V
S
=
±
15V
I
B
–
I
B
+
I
OS
Figure 8. Input Bias, Offset Current
vs. Common-Mode Voltage
SOURCE RESISTANCE (
)
E
μ
V
°
C
100
100M
1k
10k
100k
1M
10M
100
10
1
0.1
BALANCED OR UNBALANCED
V
S
=
±
15V
V
CM
= 0V
Figure 11. Effective TCV
OS
vs. Source
Resistance
INPUT OFFSET CURRENT (pA)
N
400
300
200
100
0
–100 –80 –60 –40 –20 0
20 40
60 80 100
1200 UNITS
T
A
= +25
°
C
V
S
=
±
15V
V
CM
= 0V
Figure 6. Typical Distribution of In-
put Offset Current
TIME AFTER POWER APPLIED (MINUTES)
D
μ
V
±
3
±
2
±
1
0
0
1
2
3
4
5
T
A
= +25
°
C
V
S
=
±
15V
V
CM
= 0V
Figure 9. Input Offset Voltage Warm-
Up Drift
TIME FROM OUTPUT SHORT (MINUTES)
0
1
2
3
4
S
35
30
25
20
15
10
5
0
–5
–10
–15
–20
–25
–30
–35
T
A
= –55
°
C
T
A
= +25
°
C
T
A
= +125
°
C
V
=
±
15V
OUTPUT SHORTED
TO GROUND
T
A
= +125
°
C
T
A
= +25
°
C
T
A
= –55
°
C
Figure 12. Short Circuit Current vs.
Time, Temperature
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相關(guān)代理商/技術(shù)參數(shù) |
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| OP-297 | 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:DUAL LOW BIAS CURRENT PRECISION OPERATIONAL AMPLIFIER |
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