Datasheet

Data Sheet ADuM1440/ADuM1441/ADuM1442/ADuM1445/ADuM1446/ADuM1447
Rev. E | Page 19 of 25
0
10
20
30
40
50
60
70
80
90
100
–40 –20 0 20 40 60 80 100 120 140
SUPPLY CURRENT/CHANNEL (µA)
TEMPERATURE (°C)
OUTPUT
INPUT
11845-119
Figure 23. Typical Input and Output Supply Current per Channel vs.
Temperature for V
DDx
= 2.5 V, Data Rate = 1000 kbps
0
10
20
30
40
50
60
70
80
90
100
–40 –20 0 20 40 60 80 100 120 140
SUPPLY CURRENT/CHANNEL (µA)
TEMPERATURE (°C)
OUTPUT
INPUT
11845-120
Figure 24. Typical Input and Output Supply Current per Channel vs.
Temperature for V
DDx
= 3.3 V, Data Rate = 1000 kbps
0
20
40
60
80
100
120
140
–40 –20
0 20406080100120140
PROPAG
A
TION DEL
A
Y (ns)
TEMPERATURE (°C)
V
DDx
= 2.5V
V
DDx
= 3.3V
11845-121
Figure 25. Typical Propagation Delay vs. Temperature for
V
DDx
= 3.3 V or V
DDx
= 2.5 V
0
20
40
60
80
100
120
2.0 2.5 3.0 3.5 4.0
GLITCH FILTER WIDTH (ns)
TRANSMITTER V
DDx
(V)
11845-017
Figure 26. Typical Glitch Filter Operation Threshold
0
20
40
60
80
100
120
140
–40 –20
0 20 40 60 80 100 120 140
REFRESH PERIOD (µs)
TEMPERATURE (°C)
V
DDx
= 2.5V
V
DDx
= 3.3V
11845-122
Figure 27. Typical Refresh Period vs. Temperature for
3.3 V and 2.5 V Operation
0
20
40
60
80
100
120
2.0 2.5 3.0 3.5 4.0
REFRESH PERIOD (µs)
V
DDx
VOLTAGE (V)
11845-123
Figure 28. Typical Refresh Period vs. V
DDX
Voltage