Data Sheet
OP249
500mV
1s
0.1
T
V
V
R
= 25°C
= ±15V
= 10V p-p
= 10kΩ
= 1
A
S
O
L
V
A
+1µV
–1µV
BANDWIDTH (0.1Hz TO 10Hz)
= 25°C, V = ±15V
0.01
20
T
100
1k
10k 20k
A
S
Figure 18. Distortion vs. Frequency
Figure 21. Low Frequency Noise
60
50
40
30
20
10
0
T
V
= 25°C
A
0.1
= ±15V
T
V
V
R
= 25°C
= ±15V
= 10V p-p
= 2kΩ
S
A
S
A
= 100
VCL
O
L
V
A
= 10
A
A
= 10
= 5
VCL
A
VCL
= 1
VCL
–10
–20
1k
10k
100k
1M
10M
100M
0.01
20
100
1k
10k 20k
FREQUENCY (Hz)
Figure 19. Distortion vs. Frequency
Figure 22. Closed-Loop Gain vs. Frequency
50
40
30
20
10
0
T
V
= 25°C
= ±15V
0.1
A
T
V
V
R
A
= 25°C
= ±15V
= 10V p-p
= 600kΩ
= 10
S
A
S
O
L
V
A
= 1
VCL
A
= 10
VCL
A
= 100
10k
VCL
100
1k
100k
1M
10M
0.01
20
100
1k
10k 20k
FREQUENCY (Hz)
Figure 20. Distortion vs. Frequency
Figure 23. Closed-Loop Output Impedance vs. Frequency
Rev. I | Page 9 of 18
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