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OP281 Datasheet, PDF (6/16 Pages) Analog Devices – Ultralow Power, Rail-to-Rail Output Operational Amplifiers
OP281/OP481–Typical Performance Characteristics
45
40
VS = 2.7V
TA = 25؇C
35
30
25
20
15
10
5
0
–1.0 –0.8 –0.6–0.4 –0.2 0 0.2 0.4 0.6 0.8 1.0
INPUT OFFSET VOLTAGE – mV
TPC 1. Input Offset Voltage
Distribution
50
45 VS = 5V
TA = 25؇C
40
35
30
25
20
15
10
5
0
–1.0 –0.8 –0.6–0.4 –0.2 0 0.2 0.4 0.6 0.8 1.0
INPUT OFFSET VOLTAGE – mV
TPC 2. Input Offset Voltage
Distribution
0
–0.5
VS = 5V
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
–4.0
–4.5
–5.0
–40 –20 0 20 40 60 80 100 120
TEMPERATURE – ؇C
TPC 4. Input Bias Current
vs. Temperature
1.0
0.5 VS = 5V
TA = 25؇C
0.0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
COMMON-MODE VOLTAGE – V
TPC 5. Input Bias Current
vs. Common-Mode Voltage
10,000
1,000
VS = 3V
TA = 25؇C
100
SOURCE
10
SINK
1.0
0.1
1
10
100
LOAD CURRENT – µA
1000
TPC 7. Output Voltage to
Supply Rail vs. Load Current
1,000
VS = 5V
TA = 25؇C
100
SOURCE
10
SINK
1.0
0.1
1
10
100
LOAD CURRENT – µA
1000
TPC 8. Output Voltage to
Supply Rail vs. Load Current
2000
1800
1600
VS = 5V
1400
1200
1000
800
600
400
200
0
–40 –20 0 20 40 60 80 100 120
TEMPERATURE – ؇C
TPC 3. Input Offset Voltage
vs. Temperature
0.5
VS = 5V
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–40 –20 0 20 40 60 80 100 120
TEMPERATURE – ؇C
TPC 6. Input Offset Current
vs. Temperature
1,000
VS = 5V
TA = +25؇C
100
SOURCE
10
SINK
1.0
0.1
1
10
100
LOAD CURRENT – µA
1000
TPC 9. Output Voltage to
Supply Rail vs. Load Current
–6–
REV. B