SI845X Datasheet, PDF (23/36 Pages) Silicon Laboratories – LOW POWER FIVE-CHANNEL DIGITAL ISOLATOR

Si8450/51/52/55
2.5. Typical Performance Characteristics
The typical performance characteristics depicted in the following diagrams are for information purposes only. Refer
to Tables 3, 4, and 5 for actual specification limits.
35
35
30
30
5V
25
5V
25
3.3V
20
20
3.3V
15
15
2.70V
10
2.70V
10
5
0
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
d _{Data Rate (Mbps)}
e _{Figure 8. Si8450/55 Typical VDD1 Supply}
d _{Current vs. Data Rate 5, 3.3, and 2.70 V}
n _{s Operation}
5
0
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
Data Rate (Mbps)
Figure 11. Si8450/55 Typical V_DD2 Supply
Current vs. Data Rate 5, 3.3, and 2.70 V
Operation (15 pF Load)
e _{n 35}
m _{ig 30}
25
m ^{s 20}
15
o e 10
5
c ^D ₀
e ⁰
10 20 30 40
5V
3.3V
2.70V
50 60 70 80 90 100 110 120 130 140 150
Data Rate (Mbps)
t R ew Figure 9. Si8451 Typical VDD1 Supply Current
vs. Data Rate 5, 3.3, and 2.70 V Operation
o ^{N (15 pF Load)}
35
30
25
20
15
10
5
0
0
5V
3.3V
2.70V
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
Data Rate (Mbps)
Figure 12. Si8451 Typical V_DD2 Supply Current
vs. Data Rate 5, 3.3, and 2.70 V Operation
(15 pF Load)
N ^{r 35}
35
30
fo ³⁰
25
5V
25
20
5V
20
3.3V
15
15
3.3V
10
2.70V
10
2.70V
5
5
0
0
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
Data Rate (Mbps)
Data Rate (Mbps)
Figure 10. Si8452 Typical V_DD1 Supply Current
vs. Data Rate 5, 3.3, and 2.70 V Operation
(15 pF Load)
Figure 13. Si8452 Typical V_DD2 Supply Current
vs. Data Rate 5, 3.3, and 2.70 V Operation
(15 pF Load)
Rev. 1.5
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