Datasheet

Data Sheet AD8641/AD8642/AD8643
Rev. E | Page 7 of 16
INPUT BIAS CURRENT (pA)
0.1
1
10
100
1000
50 750 25 100 125 150
TEMPERATURE (°C)
05072-008
V
SY
= ±13V
Figure 13. Input Bias Current vs. Temperature
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
INPUT BIAS (pA)
–5 –4 –3 –2 –1 0 1 2 3 4 5
V
CM
(V)
05072-009
V
SY
= +5V OR ±5V
Figure 14. Input Bias Current vs. V
CM
V
OS
(μV)
–15 –13 –11 –9 –7 –5 –3 –1 1 3 5 7 9 11 13 15
V
CM
(V)
05072-010
0
–100
0
200
600
800
1000
400
100
500
700
900
300
V
SY
= ±13V
Figure 15. Input Offset Voltage vs. V
CM
–500
–400
–300
–200
–100
0
100
200
300
400
500
V
OS
(μV)
1.0 1.50 0.5 2.0 2.5
V
CM
(V)
05072-011
V
SY
= 5V
Figure 16. Input Offset Voltage vs. V
CM
OPEN-LOOP GAIN (V/V)
10k
1M
100k
10M
LOAD RESISTANCE (kΩ)
0.1 101 100
05072-012
V
SY
= ±13V
V
SY
= ±2.5V
Figure 17. Open-Loop Gain vs. Load Resistance
A
VO
(V/mV)
1
100
10
1000
–50 –30 –10 10 30 50 70 90 110 130 150
TEMPERATURE (°C)
05072-013
A. V
SY
= ±13V, V
O
= ±11V, R
L
= 10kΩ
B. V
SY
= ±13V, V
O
= ±11V, R
L
= 2kΩ
C. V
SY
= +5V, V
O
= +0.5V/+4.5V, R
L
= 10kΩ
D. V
SY
= +5V, V
O
= +0.5V/+4.5V, R
L
= 2kΩ
E. V
SY
= +5V, V
O
= +0.5V/+4.5V, R
L
= 600Ω
A
B
C
D
E
Figure 18. Open-Loop Gain vs. Temperature