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Document Number: 81331
4 Rev. 1.6, 04-Nov-10
SFH6755T, SFH6756T, SFH6757T
Vishay Semiconductors
High Speed Optocoupler, 10 MBd,
Dual, SOIC-8 Package
Notes
(1)
For SFH6755T
(2)
For SFH6756T
(3)
For SFH6757T
Fig. 2 - Dual Channel Test Circuit for Common Mode Transient Immunity
Note
• As per IEC 60747-5-5, §7.4.3.8.1, this optocoupler is suitable for “safe electrical insulation” only within the safety ratings. Compliance with
the safety ratings shall be ensured by means of prodective circuits.
COMMON MODE TRANSIENT IMMUNITY
PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT
Common mode transient immunity
(high)
|V
CM
| = 10 V, V
CC
= 5 V, I
F
= 0 mA,
V
O(min.)
= 2 V, R
L
= 350 Ω, T
amb
= 25 °C
(1)
|CM
H
| 100 V/μs
|V
CM
| = 50 V, V
CC
= 5 V, I
F
= 0 mA,
V
O(min.)
= 2 V, R
L
= 350 Ω, T
amb
= 25 °C
(2)
|CM
H
| 5000 10 000 V/μs
|V
CM
| = 1 kV, V
CC
= 5 V, I
F
= 0 mA,
V
O(min.)
= 2 V, R
L
= 350 Ω, T
amb
= 25 °C
(3)
|CM
H
| 15 000 25 000 V/μs
Common mode transient immunity
(low)
|V
CM
| = 10 V, V
CC
= 5 V, I
F
= 7.5 mA,
V
O(max.)
= 0.8 V, R
L
= 350 Ω, T
amb
= 25 °C
(1)
|CM
L
| 100 V/μs
|V
CM
| = 50 V, V
CC
= 5 V, I
F
= 7.5 mA,
V
O(max.)
= 0.8 V, R
L
= 350 Ω, T
amb
= 25 °C
(2)
|CM
L
| 5000 10 000 V/μs
|V
CM
| = 1 kV, V
CC
= 5 V, I
F
= 7.5 mA,
V
O(max.)
= 0.8 V, R
L
= 350 Ω, T
amb
= 25 °C
(3)
|CM
L
| 15 000 25 000 V/μs
SAFETY AND INSULATION RATINGS
PARAMETER TEST CONDITION SYMBOL MIN. TYP. MAX. UNIT
Climatic classification
(according to IEC 68 part 1)
55/100/21
Comparative tracking index CTI 175 399
Peak transient overvoltage V
IOTM
6000 V
Peak insulation voltage V
IORM
560 V
Safety rating - power output P
SO
350 mW
Safety rating - input current I
SI
150 mA
Safety rating - temperature T
SI
165 °C
Creepage distance 5mm
Clearance distance 4mm
Insulation thickness 0.2 mm
V
CM
(peak)
Switch at A: I 0 mA
F
Switch at A: 7.5 mA
F
V
O
(min.
V
O
(max.)
0 V
5 V
V
V
CM
V
O
V
O
0.5
CM
H
CM
L
20133
)
=
I
=
1
2
3
4
8
7
6
5
GND
0.1
µF
bypass
V
CC
R
L
+ 5 V
Output V
O
monitoring
node
+
-
V
CM
B
A
V
FF
I
F
Pulse generator
Z =
50
Ω
O
Dual channel
