OP270
130
120
110
100
90
CMR (dB)
6
8
7
6
5
4
3
2
1
V
S
=
15V
T
A
= 25 C
V
S
= 15V
TOTAL SUPPLY CURRENT (mA)
5
80
70
60
50
40
30
20
10
1
10
100
1k
10k
FREQUENCY (Hz)
100k
1M
4
+125 C
+25 C
3
–55 C
TOTAL SUPPLY CURRENT (mA)
2
0
5
10
15
SUPPLY VOLTAGE (V)
20
0
–75 –50 –25
25
75
0
50
TEMPERATURE ( C)
100 125
TPC 10. CMR vs. Frequency
TPC 11. Total Supply Current
vs. Supply Voltage
TPC 12. Total Supply Current
vs. Temperature
140
T
A
= 25 C
120
140
120
VOLTAGE GAIN (dB)
80
T
A
= 25 C
V
S
= 15V
CLOSED-LOOP GAIN (dB)
T
A
= 25 C
V
S
= 15V
60
100
100
80
60
40
20
0
PSR (dB)
80
60
40
20
+PSR
40
–PSR
20
0
0
1
10
100
1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
1
10
100
1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
–20
1k
10k
100k
1M
FREQUENCY (Hz)
10M
TPC 13. PSR vs. Frequency
TPC 14. Open-Loop Gain vs.
Frequency
TPC 15. Closed-Loop Gain vs.
Frequency
25
20
15
GAIN (dB)
PHASE SHIFT (Degrees)
PHASE MARGIN (Degrees)
PHASE
100
120
140
OPEN-LOOP GAIN (V/mV)
4000
70
7
10
GAIN
5
0
–5
PHASE
MARGIN = 62
3000
60
6
160
180
2000
50
GBP
5
1000
4
–10
1
2
3
4 5
FREQUENCY (Hz)
6 7 8 9 10
0
0
5
10
15
SUPPLY VOLTAGE (V)
20
25
40
–75 –50 –25
0 25 50 75 100 125 150
TEMPERATURE ( C)
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
GAIN BANDWIDTH PRODUCT (MHz)
T
A
= 25 C
V
S
= 15V
80
5000
80
8
AD [ ANALOG DEVICES ]
