Datasheet

AD8641/AD8642/AD8643 Data Sheet
Rev. E | Page 6 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
0
10
20
30
40
50
60
70
FREQUENCY
–0.60 –0.55 –0.50 –0.45 –0.40 –0.35 –0.30 –0.25 –0.20 –0.15 –0.10 –0.05
0
0.05 0.10 0.15 0.20 0.25 0.30
0.35
0.40 0.45 0.50 0.55 0.60
V
OS
(mV) 05072-002
80
V
SY
= ±13V
Figure 7. Input Offset Voltage
NUMBER OF AMPLIFIERS
OFFSET VOLTAGE (μV/°C)
05072-003
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 6.5 7.0 7.5 8.0 8.5 9.0 9.5
10.0
16
14
12
10
8
6
4
2
0
V
SY
= ±13V
Figure 8. Offset Voltage Drift
0
10
20
30
40
50
60
70
FREQUENCY
–0.60 –0.55 –0.50 –0.45 –0.40 –0.35 –0.30 –0.25 –0.20 –0.15 –0.10 –0.05
0
0.05 0.10 0.15 0.20 0.25 0.30
0.35
0.40 0.45 0.50 0.55 0.60
V
OS
(mV)
05072-004
V
SY
= ± 2.5V
Figure 9. Input Offset Voltage
NUMBER OF AMPLIFIERS
T
C
V
OS
(μV/°C)
05072-005
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 6.5 7.0 7.5 8.0 8.5 9.0 9.5
10.0
0
2
4
6
8
10
12
14
16
18
20
V
SY
= 5V
V
CM
= 1.5V
Figure 10. Offset Voltage Drift
–0.5
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
INPUT BIAS (pA)
–15 –13 –11 –9 –7 –5 –3 –1 1 3 5 7 9 11 13 15
V
CM
(V)
05072-006
V
SY
= ±13V
T
A
= 25°C
Figure 11. Input Bias Current vs. V
CM
– 0.4
– 0.3
– 0.2
– 0.1
0
0.1
INPUT BIAS (pA)
0.2
0.3
0.4
–15.0 –12.5 –10.0 –7.5 –5.0 –2.5 0 2.5 5.0 7.5 10.0 12.5 15.0
V
CM
(V)
05072-007
V
SY
= ±13V
T
A
= 25°C
0.5
– 0.5
Figure 12. Input Bias Current vs. V
CM