Datasheet

AD8538/AD8539 Data Sheet
Rev. B | Page 8 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
AD8538 CHARACTERISTICS
AD8538 only, V
SY
= 5 V or ±2.5 V, unless otherwise noted.
450
0
–10.0
06741-003
INPUT OFFSET VOLTAGE (
µ
V)
NUMBER OF AMPLIFIERS
50
100
150
200
250
300
350
400
V
SY
= 5V
0V < V
CM
< 5V
T
A
= 25°C
–8.4 –6.8
–5.2 –
3.6
–2.0
–0.4 1.2 2.8
4.4 6.0 7.6
9.2
Figure 5. AD8538 Input Offset Voltage Distribution
14
0
0
0.096
06741-004
TCV
OS
(µV/
°C)
NUMBER OF AMPLIFIERS
2
4
6
8
10
12
0.012
0.024 0.036 0.048
0.060 0.072 0.084
V
SY
= 5V
–40°C < T
A
< +125
° C
Figure 6. AD8538 Input Offset Voltage Drift Distribution
10
–10
0 5
06741-005
INPUT COMMON-MODE VOLTAGE (V)
INPUT OFFSET VOLTAGE (µV)
–8
–6
–4
–2
0
2
4
6
8
1 2 3 4
V
SY
= 5V
T
A
= 25°C
Figure 7. AD8538 Input Offset Voltage vs. Input Common-Mode Voltage
700
0
100
200
300
400
500
600
25 45 65 85 105 125
06741-006
TEMPERATURE (°C)
INPUT BIAS CURRENT (pA)
V
SY
= 5V AND 2.7V
Figure 8. AD8538 Input Bias Current vs. Temperature
160
0
0 5
06741-007
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
20
40
60
80
100
120
140
1 2 3 4
T
A
= 25°C
Figure 9. AD8538 Supply Current vs. Supply Voltage
200
0
50
100
150
–40 10 60 110
06741-008
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
V
SY
= 5V
V
SY
= 2.7V
Figure 10. AD8538 Supply Current vs. Temperature