OP497GSZ Datasheet, PDF (6/16 Pages) Analog Devices – Precision Picoampere Input Current Quad Operational Amplifier

OP497
±3
±2
T_A = 25°C
V_S = ±15V
V_CM = 0V
±1
0
0
1
2
3
4
5
TIME AFTER POWER APPLIED (Minutes)
Figure 11. Input Offset Voltage Warm-Up Drift
10k
BALANCED OR UNBALANCED
V_S = ±15V
V_CM = 0V
1k
100
T_A = 25°C
10
10
100
1k
10k
100k
1M
10M
SOURCE RESISTANCE (Ω)
Figure 12. Effective Offset Voltage vs. Source Resistance
100
BALANCED OR UNBALANCED
V_S = ±15V
V_CM = 0V
10
1
0.1
100
1k
10k
100k
1M
10M
SOURCE RESISTANCE (Ω)
Figure 13. Effective TCVOS vs. Source Resistance
100M
1k
T_A = 25°C
V_S = ±2V TO ±20V
100
CURRENT NOISE
10
VOLTAGE NOISE
1
1
10
100
1k
FREQUENCY (Hz)
Figure 14. Voltage Noise Density vs. Frequency
10
T_A = 25°C
V_S = ±2V TO ±20V
1
10Hz
1kHz
0.1
0.01
100
1k
10k
100k
1M
10M
SOURCE RESISTANCE (Ω)
Figure 15. Total Noise Density vs. Source Resistance
5mV
1s
100
90
10
0%
VS = ±15V
TA = 25°C
0
2
4
6
8
10
TIME (Seconds)
Figure 16. 0.1 Hz to 10 Hz Noise Voltage
Rev. E | Page 6 of 16