OP281 Analog Devices, OP281 Datasheet - Page 10

• Manufacturer Part Number: OP281
• Description: Ultralow Power, Rail-to-Rail Output Operational Amplifier (Dual)
• Manufacturer: Analog Devices

Specifications of OP281

• -3db Bandwidth: 105kHz
• Slew Rate: 28mV/µs
• Vos: 100µV
• Ib: 3nA
• # Opamps Per Pkg: 2
• Input Noise (nv/rthz): 75nV/rtHz
• Vcc-vee: 2.7V to 12V
• Isy Per Amplifier: 5µA
• Packages: SOIC,SOP

OP281/OP481
4
3
2
1
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
5
0
2
1
3
0
10
0
10
–40
Figure 25. Supply Current/Amplifier vs. Temperature
Figure 23. Maximum Output Swing vs. Frequency
Figure 24. Maximum Output Swing vs. Frequency
V
S
= 3V
–20
100
100
0
FREQUENCY (Hz)
20
TEMPERATURE (°C)
FREQUENCY (Hz)
40
1k
1k
60
80
10k
10k
V
V
T
R
V
V
T
R
A
S
IN
L
100
S
IN
A
L
= 5V
= 25°C
= ∞
= 4V p-p
= 3V
= 25°C
= ∞
= 2V p-p
120
100k
100k
Rev. D | Page 10 of 20
100
3.50
3.25
3.00
2.75
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0%
90
10
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
–40
0
Figure 27. Supply Current/Amplifier vs. Supply Voltage
50mV
Figure 26. Supply Current/Amplifier vs. Temperature
T
A2
A
V
0.5
= 25°C
S
Figure 28. Small-Signal Transient Response
= 5V
–20
1.0
0mV
1.5
0
2.0
SUPPLY VOLTAGE (±V)
20
TEMPERATURE (°C)
2.5
40
3.0
3.5
60
100µs
4.0
80
4.5
V
A
R
C
T
S
A
V
L
L
= ±2.5V
= 1
= 100kΩ
= 50pF
= 25°C
100
5.0
5.5
120
6.0