OP281 Analog Devices, OP281 Datasheet - Page 8

• 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
10000
1000
1000
1000
100
100
100
0.1
0.1
0.1
10
10
10
1
1
1
Figure 11. Output Voltage to Supply Rail vs. Load Current
Figure 12. Output Voltage to Supply Rail vs. Load Current
Figure 13. Output Voltage to Supply Rail vs. Load Current
1
1
1
V
T
V
T
V
T
A
S
A
S
S
A
= 5V
= 25°C
= 3V
= 25°C
= ±5V
= 25°C
SOURCE
SOURCE
10
10
10
LOAD CURRENT (µA)
LOAD CURRENT (µA)
LOAD CURRENT (µA)
SOURCE
SINK
SINK
100
100
100
SINK
1000
1000
1000
Rev. D | Page 8 of 20
–10
–20
–30
–10
–20
–30
–10
–20
–30
70
60
50
40
30
20
10
70
60
50
40
30
20
10
70
60
50
40
30
20
10
0
0
0
100
100
100
Figure 14. Open-Loop Gain and Phase vs. Frequency
Figure 15. Open-Loop Gain and Phase vs. Frequency
Figure 16. Open-Loop Gain and Phase vs. Frequency
1k
1k
1k
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
10k
10k
10k
100k
100k
100k
V
T
R
V
T
R
V
T
R
S
A
S
A
S
A
L
L
L
= 5V
= 25°C
= 100kΩ
= 3V
= 25°C
= 100kΩ
= 2.7V
= 25°C
= 100kΩ
1M
1M
1M
45
90
135
180
225
270
45
90
135
180
225
270
45
90
135
180
225
270
0
0
0