Datasheet

LTC4274A/LTC4274C
26
4274acfc
APPLICATIONS INFORMATION
Figure 16. Opto-Isolating the I
2
C Bus
4274AC F16
V
DD
INT
SCL
SDAIN
SDAOUT
AD0
AD1
AD2
AD3
DGND
AGND
LTC4274A/
LTC4274C
0.1µF
10µF
2k
2k
0.1µF
0.1µF
2001
2001
2001
2001
U2
U3
U1
HCPL-063L
HCPL-063L
V
DD
CPU
SCL
SDA
SMBALERT
GND CPU
U1: FAIRCHILD NC7WZ17
U2, U3: AGILENT HCPL-063L
TO
CONTROLLER
ISOLATED
3.3V
ISOLATED
GND
+