Datasheet
AD8557
Rev. C | Page 8 of 24
NUMBER OF AMPLIFIERS
T
C
V
OS
(nV/°C)
0
5
10
15
20
25
05
30
35
10 15 20 25 30 35 40 45 50 55 60 65
06013-010
Figure 10. T
C
V
OS
at V
SY
= 2.7 V, −40°C ≤ T
A
≤ +125°C
INPUT BIAS CURRENT
(
n
A
)
TEMPERATURE (°C)
12
14
16
18
25 500–25–50
20
75 100 125 150 175
–I
B
5V
+I
B
5V
06013-011
Figure 11. Input Bias Current at VPOS, VNEG vs. Temperature,
V
SY
= 5 V, 2.7 V
100
0.1
05
COMMON-MODE VOLTAGE (V)
INPUT BIAS CURRENT (nA)
1234
1
10
06013-013
Figure 12. Input Bias Current at VPOS, VNEG
vs. Common-Mode Voltage, T
A
= 25°C
0.5
0.3
0.1
–0.1
–0.3
–0.5
–50 –25 0 25 50 75 100 125 150 175
I
OS
(nA)
TEMPERATURE (°C)
06013-012
Figure 13. Input Offset Current vs. Temperature
3.0
0
05
DIGITAL INPUT VOLTAGE (V)
DIGITAL INPUT CURRENT (µA)
2.5
2.0
1.5
1.0
0.5
1234
06013-014
+25°C
+125°C
–40°C
V
SY
= 5V
Figure 14. Digital Input Current vs. Digital Input Voltage (Pin 4)
1000
10
05
VCLAMP VOLTAGE (V)
VCLAMP CURRENT (nA)
1234
100
06013-015
+25°C
+125°C
–40°C
V
SY
= 5V
Figure 15. VCLAMP Current over Temperature at V
SY
= 5 V
vs. VCLAMP Voltage