OP481_15 Datasheet, PDF (9/20 Pages) Analog Devices – Ultralow Power, Rail-to-Rail Output Operational Amplifiers

70
V_S = ±5V
60
T_A = 25°C
R_L = 100kΩ TO GROUND
50
40
0
30
45
20
90
10
135
0
180
–10
225
–20
270
–30
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 17. Open-Loop Gain and Phase vs. Frequency
60
50
40
30
20
10
0
–10
–20
–30
–40
10
V_S = 5V
T_A = 25°C
R_L = ∞
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 18. Closed-Loop Gain vs. Frequency
V_S = 5V
T_A = 25°C
MARKER @ 67nV/√Hz
0
2
4
6
8
10
FREQUENCY (kHz)
Figure 19. Voltage Noise Density vs. Frequency
OP281/OP481
90
V_S = ±5V
80
T_A = 25°C
70
60 V_S = +5V
50
V_S = +3V
40
30
20
10
0
–10
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 20. CMRR vs. Frequency
160
140
120
100
80
60
40
20
0
–20
–40
10
V_S = ±5V, +5V, +3V, +2.7V
T_A = 25°C
R_L = ∞
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 21. PSRR vs. Frequency
50
V_S = +5V
45 ^VIN ^{= ±50mV}
R_L = 100kΩ
40 ^TA ^{= 25°C}
–OS
35
+OS
30
25
20
15
10
5
0
10
100
1000
LOAD CAPACITANCE (pF)
Figure 22. Small-Signal Overshoot vs. Load Capacitance
Rev. D | Page 9 of 20