SI8410-B-IS Silicon Laboratories Inc, SI8410-B-IS Datasheet - Page 22
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SI8410-B-IS
Manufacturer Part Number
SI8410-B-IS
Description
IC ISOLATOR 1CH 2.5KV 10M 8SOIC
Manufacturer
Silicon Laboratories Inc
Series
ISOpror
Datasheet
1.SI8410-A-IS.pdf
(28 pages)
Specifications of SI8410-B-IS
Inputs - Side 1/side 2
1/0
Number Of Channels
1
Voltage - Supply
2.7 V ~ 5.5 V
Data Rate
150Mbps
Propagation Delay
6ns
Output Type
Logic
Package / Case
8-SOIC (3.9mm Width)
Operating Temperature
-40°C ~ 125°C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Isolation Rating
-
Other names
336-1355
SI8410-B-IS
SI8410-B-IS
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SI8410-B-IS
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Si8410/20/21
4.4. RF Immunity and Common Mode Transient Immunity
The Si841x and Si842x families have very high common mode transient immunity while transmitting data. This is
typically measured by applying a square pulse with very fast rise/fall times between the isolated grounds.
Measurements show no failures up to 30 kV/µs. During a high surge event, the output may glitch low for up to
20–30 ns, but the output corrects immediately after the surge event.
The Si841x and Si842x families pass the industrial requirements of CISPR24 for RF immunity of 3 V/m using an
unshielded evaluation board. As shown in Figure 14, the isolated ground planes form a parasitic dipole antenna,
while Figure 15 shows the RMS common mode voltage versus frequency above which the Si841x becomes
susceptible to data corruption. To avoid compromising data, care must be taken to keep RF common-mode voltage
below the envelope specified in Figure 15. The PCB should be laid-out to not act as an efficient antenna for the RF
frequency of interest. RF susceptibility is also significantly reduced when the end system is housed in a metal
enclosure, or otherwise shielded.
22
5
4
3
2
1
0
500
Figure 15. RMS Common Mode Voltage vs. Frequency
GND1
Figure 14. Dipole Antenna
1000
Preliminary Rev. 0.12
Frequency (MHz)
Antenna
Dipole
Isolator
GND2
1500
2000