Data Sheet
OP249
180
10k
1k
100
10
1
T
V
= 25°C
= ±15V
A
V
V
= ±15V
S
160
140
120
100
80
S
= 0V
CM
415 × OP249
(830 OP AMPS)
60
40
20
0
–1000 –800 –600 –400 –200
0
200 400 600 800 1000
–75
–50
–25
0
25
50
75
100
125
V
(µV)
TEMPERATURE (°C)
OS
Figure 30. VOS Distribution (N-8)
Figure 33. Input Bias Current vs. Temperature
300
270
240
210
180
150
120
90
4
3
2
1
10
10
10
10
10
T
V
= 25°C
= ±15V
A
V
= ±15V
S
S
–40°C TO +85°C
(830 OP AMPS)
60
30
0
0
0
2
4
6
8
10 12 14 16 18 20 22 24
TCV (µV/°C)
–15
–10
–5
0
5
10
15
OS
COMMON-MODE VOLTAGE (V)
Figure 31. TCVOS Distribution (N-8)
Figure 34. Bias Current vs. Common-Mode Voltage
50
40
30
20
10
0
50
T
V
= 25°C
= ±15V
A
V
= ±15V
S
S
40
30
20
10
0
0
1
2
3
4
5
0
2
4
6
8
10
TIME AFTER POWER APPLIED (Minutes)
TIME AFTER POWER APPLIED (Minutes)
Figure 32. Offset Voltage Warm-Up Drift
Figure 35. Bias Current Warm-Up Drift
Rev. I | Page 11 of 18
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