OP491_15 Datasheet, PDF (8/24 Pages) Analog Devices – Micropower Single-Supply Rail-to-Rail Input/Output Op Amps

OP191/OP291/OP491
TYPICAL PERFORMANCE CHARACTERISTICS
180
V_S = 3V
160 ^TA ^{= 25°C}
BASED ON
1200 OP AMPS
140
120
100
80
60
40
20
0
–0.18
–0.10
–0.02
0.06
0.14
0.22
INPUT OFFSET VOLTAGE (mV)
Figure 7. OP291 Input Offset Voltage Distribution, VS = 3 V
120
V_S = 3V
–40°C < T_A < +125°C
100
BASED ON 600 OP AMPS
80
60
40
20
0
0
1
2
3
4
5
6
7
INPUT OFFSET VOLTAGE (µV/°C)
Figure 8. OP291 Input Offset Voltage Drift Distribution, VS = 3 V
0
–0.02
V_S = 3V
V_CM = 0.1V
–0.04
–0.06
–0.08
V_CM = 0V
V_CM = 3V
–0.10
V_CM = 2.9V
–0.12
–0.14
–40
25
85
125
TEMPERATURE (°C)
Figure 9. Input Offset Voltage vs. Temperature, VS = 3 V
40
V_CM = 3V
30
20
10
V_CM = 2.9V
0
V_S = 3V
–10
–20
V_CM = 0.1V
–30
–40
–50
V_CM = 0V
–60
–40
25
85
125
TEMPERATURE (°C)
Figure 10. Input Bias Current vs. Temperature, VS = 3 V
0
–0.2
–0.4
–0.6
V_S = 3V
–0.8
V_CM = 0.1V
V_CM = 2.9V
V_CM = 3V
–1.0
–1.2
V_CM = 0V
–1.4
–1.6
–1.8
–40
25
85
125
TEMPERATURE (°C)
Figure 11. Input Offset Current vs. Temperature, VS = 3 V
36
V_S = 3V
30
24
18
12
6
0
–6
–12
–18
–24
–30
–36
0
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4
INPUT COMMON-MODE VOLTAGE (V)
2.7 3.0
Figure 12. Input Bias Current vs. Input Common-Mode Voltage, VS = 3 V
Rev. E | Page 8 of 24