OP400
Data Sheet
TYPICAL PERFORMANCE CHARACTERISTICS
3
V
= ±15V
S
T
= 25°C
A
120
110
100
90
V
= ±15V
S
2
1
0
80
–75
–50
–25
0
25
50
75
100
125
0
1
2
3
4
5
TEMPERATURE (°C)
TIME (Minutes)
Figure 7. Input Offset Current vs. Temperature
Figure 4. Warmup Drift
1.1
1.0
0.9
0.8
0.7
0.6
70
60
50
40
30
20
10
V
= ±15V
S
–15
–10
–5
0
5
10
15
–75
–50
–25
0
25
50
75
100
125
COMMON-MODE VOLTAGE (V)
TEMPERATURE (°C)
Figure 8. Input Bias Current vs. Common-Mode Voltage
Figure 5. Input Offset Voltage vs. Temperature
140
2.0
T
V
= 25°C
= ±15V
A
V
= ±15V
S
S
120
100
80
60
40
20
0
1.6
1.2
0.8
0.4
0
1
10
100
1k
10k
100k
–75
–50
–25
0
25
50
75
100
125
FREQUENCY (Hz)
TEMPERATURE (°C)
Figure 9. Common-Mode Rejection vs. Frequency
Figure 6. Input Bias Current vs. Temperature
Rev. I | Page 6 of 15
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