OP177
4
V
S
= ±15V
140
INPUT BIAS CURRENT (nA)
160
T
A
= 25°C
V
S
= ±15V
OPEN-LOOP GAIN (dB)
3
120
100
80
60
40
00289-015
2
1
00289-012
20
0
0.01
0
–50
0
50
TEMPERATURE (°C)
100
0.1
1
10
100
1k
FREQUENCY (Hz)
10k
100k
1M
Figure 12. Input Bias Current vs. Temperature
2.0
V
S
= ±15V
140
INPUT OFFSET CURRENT (nA)
Figure 15. Open-Loop Frequency Response
150
T
A
= 25°C
1.5
130
CMRR (dB)
00289-013
120
110
100
90
80
1.0
0.5
0
–50
0
50
TEMPERATURE (°C)
100
1
10
100
1k
FREQUENCY (Hz)
10k
100k
Figure 13. Input Offset Current vs. Temperature
100
T
A
= 25°C
V
S
= ±15V
80
CLOSED-LOOP GAIN (dB)
Figure 16. CMRR vs. Frequency
130
T
A
= 25°C
120
110
60
PSRR (dB)
100
90
80
70
60
0.1
40
20
0
00289-014
–20
10
100
1k
10k
100k
FREQUENCY (Hz)
1M
10M
1
10
100
FREQUENCY (Hz)
1k
10k
Figure 14. Closed-Loop Response for Various Gain Configurations
Figure 17. PSRR vs. Frequency
Rev. E | Page 7 of 16
00289-017
00289-016
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