OP490
60
40
20
0
120
100
80
V
=
15V
S
A
T
A
= 25؇C
T
= 25؇C
NEGATIVE SUPPLY
POSITIVE SUPPLY
60
40
–20
20
10
100
1k
10k
100k
1
10
100
1k
FREQUENCY – Hz
LOAD RESISTANCE –⍀
TPC 7. Closed-Loop Gain vs. Frequency
TPC 10. Power Supply Rejection vs. Frequency
6
140
V+ = 5V, V– = 0V
= 25؇C
V
=
15V
S
A
T
A
T
= 25؇C
5
4
3
2
1
0
120
100
80
60
40
100
1k
10k
100k
0.1
1
10
100
1k
LOAD RESISTANCE –⍀
FREQUENCY – Hz
TPC 8. Output Voltage Swing vs. Load Resistance
TPC 11. Common-Mode Rejection vs. Frequency
16
1k
V
T
=
15V
V
T
=
15
POSITIVE
S
A
S
A
= 25؇C
= 25؇C
14
12
10
8
NEGATIVE
100
6
10
1
4
2
0
100
1k
10k
100k
0.1
1
10
100
1k
FREQUENCY – Hz
LOAD RESISTANCE –⍀
TPC 12. Noise Voltage Density vs. Frequency
TPC 9. Output Voltage Swing vs. Load Resistance
–7–
REV. C
ADI [ ADI ]
