OP281 Analog Devices, OP281 Datasheet - Page 7

• 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

TYPICAL PERFORMANCE CHARACTERISTICS
2000
1800
1600
1400
1200
1000
800
600
400
200
45
40
35
30
25
20
15
10
50
45
40
35
30
25
20
15
10
0
5
0
5
0
–40
–1.0 –0.8
–1.0 –0.8
V
S
V
T
V
T
Figure 7. Input Offset Voltage vs. Temperature
A
A
S
S
= 5V
= 2.7V
= 25°C
Figure 5. Input Offset Voltage Distribution
= 5V
= 25°C
Figure 6. Input Offset Voltage Distribution
–20
–0.6 –0.4 –0.2
–0.6 –0.4 –0.2
0
INPUT OFFSET VOLTAGE (mV)
INPUT OFFSET VOLTAGE (mV)
20
TEMPERATURE (°C)
40
0
0
0.2
0.2
60
0.4
0.4
80
0.6
0.6
100
0.8
0.8
1.0
1.0
120
Rev. D | Page 7 of 20
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
–4.0
–4.5
–5.0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
–0.1
–0.2
–0.3
–0.4
1.0
0.5
0.5
0.4
0.3
0.2
0.1
0
0
0
–40
–40
Figure 9. Input Bias Current vs. Common-Mode Voltage
0
V
V
V
T
S
S
Figure 10. Input Offset Current vs. Temperature
S
A
= 5V
= 5V
0.5
Figure 8. Input Bias Current vs. Temperature
= 5V
= 25°C
–20
–20
1.0
0
0
COMMON-MODE VOLTAGE (V)
1.5
20
20
TEMPERATURE (°C)
TEMPERATURE (°C)
2.0
40
40
2.5
60
60
3.0
OP281/OP481
3.5
80
80
4.0
100
100
4.5
120
120
5.0