OP27_06 Datasheet, PDF (9/20 Pages) Analog Devices – Low Noise, Precision Operational Amplifier

5
T_A = 25°C
4
3
2
AT 10Hz
AT 1kHz
1
0
10
20
30
40
TOTAL SUPPLY VOLTAGE, V+ – V–, (V)
Figure 10. Voltage Noise Density vs. Supply Voltage
10.0
1.0
I/F CORNER = 140Hz
0.1
10
100
1k
10k
FREQUENCY (Hz)
Figure 11. Current Noise Density vs. Frequency
5.0
4.0
T_A = +125°C
3.0
T_A = –55°C
2.0
T_A = +25°C
1.0
5
15
25
35
45
TOTAL SUPPLY VOLTAGE (V)
Figure 12. Supply Current vs. Supply Voltage
OP27
60
OP27C
50
40
30
OP27A
20
10
OP27A
0
–10
OP27A
–20
–30
–40
TRIMMING WITH
–50 _{10kΩ POT DOES}
–60
NOT CHANGE
TCV_OS
–70
–75 –50 –25 0
OP27C
25 50 75 100 125 150 175
TEMPERATURE (°C)
Figure 13. Offset Voltage Drift of Five Representative Units vs. Temperature
6
4
2
0
–2
–4
–6
6
4
2
0
–2
–4
–6
0
1
2
3
4
5
6
7
TIME (Months)
Figure 14. Long-Term Offset Voltage Drift of Six Representative Units
T_A = 25°C
V_S = 15V
10
5
OP27 C/G
OP27 F
OP27 A/E
1
0
1
2
3
4
5
TIME AFTER POWER ON (Min)
Figure 15. Warm-Up Offset Voltage Drift
Rev. F | Page 9 of 20