OP281 Datasheet, PDF (8/16 Pages) Analog Devices – Ultralow Power, Rail-to-Rail Output Operational Amplifiers

OP281/OP481
5
4
V_S = 5V
3 ^VIN ^{= 4V p-p}
R_L = INFINITE
T_A = 25؇C
2
1
0
10
100
1k
10k
100k
FREQUENCY – Hz
TPC 19. Maximum Output
Swing vs. Frequency
4.5
V_S = 5V
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–40 –20 0 20 40 60 80 100 120
TEMPERATURE – ؇C
TPC 22. Supply Current/Amplifier
vs. Temperature
3
V_S = 3V
V_IN = 2V p-p
R_L = INFINITE
T_A = 25؇C
2
1
0
10
100
1k
10k
100k
FREQUENCY – Hz
TPC 20. Maximum Output
Swing vs. Frequency
4.0
V_S = 3V
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–40 –20 0 20 40 60 80 100 120
TEMPERATURE – ؇C
TPC 21. Supply Current/Amplifier
vs. Temperature
3.50
3.25
3.00
T_A = 25؇C
2.75
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0.00
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
SUPPLY VOLTAGE – ؎V
TPC 23. Supply Current/Amplifier
vs. Supply Voltage
A2
100
90
0mV
V_S = 2.5V
A_V = 1
R_L = 100k⍀
C_L = 50pF
T_A = +25؇C
10
0%
50mV
100µs
TPC 24. Small Signal Transient
Response
A2
100
90
0mV
V_S = 1.35V
A_V = 1
R_L = 100k⍀
C_L = 50pF
T_A = +25؇C
A2
100
90
2.50V
V_S = 5V
A_V = 1
R_L = 100k⍀
C_L = 50pF
T_A = 25؇C
A2
100
90
0.50V
V_S = 2.75V
A_V = 1
R_L = 100k⍀
C_L = 50pF
T_A = 25؇C
10
0%
50mV
100µs
TPC 25. Small Signal Transient
Response
10
0%
1V
100µs
TPC 26. Large Signal Transient
Response
10
0%
500mV
100µs
TPC 27. Large Signal Transient
Response
–8–
REV. B