OP490–Typical Performance Characteristics
0.4
90
80
70
60
50
40
30
V
S
= 15V
0.3
0.2
0.1
0
V
V
=
=
15V
S
1.5V
S
–75
–50
–25
0
25
50
75
125
–75
–50
–25
0
25
50
75
125
TEMPERATURE – ؇C
TEMPERATURE – ؇C
TPC 1. Input Offset Voltage vs. Temperature
TPC 4. Total Supply Current vs. Temperature
1.6
600
T
= 25؇C
= 10k⍀
A
L
V
S
= 15V
R
1.4
1.2
1.0
0.8
0.6
0.4
0.2
500
400
300
200
100
0
25؇C
85؇C
125؇C
0
5
10
15
20
25
30
–75
–50
–25
0
25
50
75
125
SINGLE-SUPPLYVOLTAGE –V
TEMPERATURE – ؇C
TPC 5. Open-Loop Gain vs. Single-Supply Voltage
TPC 2. Input Offset Current vs. Temperature
140
4.8
V
= 15V
S
A
L
V
S
= 15V
T
= 25؇C
120
100
80
60
40
20
0
4.6
4.4
4.2
4.0
3.8
3.6
R
= 10k⍀
0
GAIN
45
90
135
180
0.1
1
10
100
1k
10k
100k
–75
–50
–25
0
25
50
75
125
FREQUENCY – Hz
TEMPERATURE – ؇C
TPC 6. Open-Loop Gain and Phase Shift vs. Frequency
TPC 3. Input Bias Current vs. Temperature
–6–
REV. C