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IL711/712
ISOLOOP®
7
RHOPOINT COMPONENTS Hurst Green, Oxted, Surrey RH8 9AX UK
Telephone: +44 (0) 870 608 1188
Fax: +44 (0) 870 241 2255
Internet: www.rhopointcomponents.com
+V
ISO
+V
DD1
GND
ISO
GND
1
CANH
CANL
R
S
V
REF
TXD
RXD
VCC
GND
TXD
RXD
PCA82C251
IL712
R
RE
DE
D
A
B
R
T
+V
ISO
+V
DD1
GND
ISO
GND
1
D
DE
V
CC
GND
R
RTSAS
IL710
IL711
RE
Isolated PROFIBUS / RS-485
Isolated DeviceNet / CAN Transceiver
Applications
RS-485 Truth Table
DDE
A
B
R
10
Z
Z
X
00
Z
Z
X
11
1
0
1
01
0
1
0
65ALS176 (-40°C to +85°C)
75ALS176 (0°C to +70°C)
V
DD1 and VISO should be decoupled with a 10nF capacitor
at the IL710 supply pins and a 47 nF capacitor at the IL711.
TXD
CANH
CANL
BUS
RXD
0
high
low
dominant
0
1
floating floating
recessive
1
V
DD
1 and VISO should be decoupled with 47nF capacitors
at the IL712 supply pins.