si8405 Silicon Laboratories, si8405 Datasheet - Page 12

• Manufacturer Part Number: si8405
• Description: Bidirectional I 2c Isolators With Unidirectional Digital Channels
• Manufacturer: Silicon Laboratories

Si840x
Table 8. IEC 60747-5-2 Insulation Characteristics for Si84xxxB*
12
Table 9. IEC Safety Limiting Values
Maximum Working Insulation Voltage
Input to Output Test Voltage
Highest Allowable Overvoltage (Transient
Overvoltage, t
Pollution Degree (DIN VDE 0110, Table 1)
Insulation Resistance at T
*Note: The Si840x is suitable for basic electrical isolation within the safety limit data. Maintenance of the safety data is
Case Temperature
Safety Input Current
Device Power Dissipation
Notes:
1. Maximum value allowed in the event of a failure. Refer to the thermal derating curve in Figure 8 and Figure 9.
2. The Si840x is tested with AVDD, BVDD = 5.5 V; T
ensured by protective circuits. The Si840x provides a climate classification of 40/125/21.
50% duty cycle square wave.
TR
Parameter
= 10 sec)
Parameter
S
2
, V
IO
= 500 V
1
Symbol
V
V
V
Preliminary Rev. 0.1
IORM
R
PR
TR
S
Symbol
J
P
= 150 ºC; C
T
I
S
S
D
(V
(V
After Input and/or Safety Test
(V
IORM
Production Test, t
IORM
After Environmental Tests
Partial Discharge < 5 pC)
Partial Discharge < 5 pC)
Partial Discharge < 5 pC)
IORM
AVDD, BVDD = 5.5 V,
SOIC-16), 140 °C/W
x 1.6 = V
x 1.2 = V

Test Condition
1
JA
x 1.875 = V
Subgroup 2/3
, C
Test Condition
Subgroup 1
Method b1
(NB SOIC-8)
Method a
T
= 105 °C/W (NB
2
T
J
= 0.1 µF; C
A
= 150 °C,
= 25 °C
PR
PR
, t
, t
m
m
m
PR
= 1 sec,
= 60 sec,
= 60 sec,
, 100%
3
= 15 pF; R1, R2 = 3kinput 1 MHz
SOIC-8
150
160
220
NB
Characteristic
1050
4000
>10
560
896
672
SOIC-16
2
9
150
210
275
NB
V peak
V peak
V peak
Unit
Unit
mA
°C
W
