OP270
130
120
110
100
90
6
5
4
3
2
8
7
6
5
4
3
2
1
0
T
V
= 25؇C
= ؎15V
A
V
= ؎15V
S
S
80
70
+125؇C
+25؇C
–55؇C
60
50
40
30
20
10
1
10
100
1k
10k
100k
1M
0
؎5
؎10
؎15
؎20
–75 –50 –25
0
25
50
75 100 125
FREQUENCY (Hz)
SUPPLYVOLTAGE (V)
TEMPERATURE (؇C)
TPC 10. CMR vs. Frequency
TPC 11. Total Supply Current
vs. Supply Voltage
TPC 12. Total Supply Current
vs. Temperature
140
120
100
80
80
140
T
V
= 25؇C
= ؎15V
T
V
= 25؇C
= ؎15V
S
T
= 25؇C
A
A
A
S
120
100
80
60
40
20
0
60
40
20
0
–PSR
60
+PSR
40
20
0
–20
1
10 100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
1k
10k
100k
FREQUENCY (Hz)
1M
10M
1
10 100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
TPC 13. PSR vs. Frequency
TPC 14. Open-Loop Gain vs.
Frequency
TPC 15. Closed-Loop Gain vs.
Frequency
25
80
5000
4000
3000
2000
1000
0
80
70
T
V
= 25؇C
= ؎15V
A
8
7
6
5
4
S
20
15
10
5
100
120
140
160
180
PHASE
GAIN
⌽
PHASE
MARGIN = 62؇
60
0
GBP
50
–5
–10
40
1
2
3
4
5
6 7 8 910
–75 –50 –25
0
25 50 75 100 125 150
0
؎5
؎10
؎15
؎20
؎25
FREQUENCY (Hz)
TEMPERATURE ( C)
؇
SUPPLY VOLTAGE (V)
TPC 16. Open-Loop Gain Phase
Shift vs. Frequency
TPC 17. Open-Loop Gain vs.
Supply Voltage
TPC 18. Gain-Bandwidth Phase
Margin vs. Temperature
–6–
REV. C
ADI [ ADI ]
