TH8055 Datasheet, PDF (11/20 Pages) Micro Electronics – Single Wire CAN Transceiver

TH8055
Single Wire CAN Transceiver
3.5 Bus loading requirements
Parameter
Symbol
Min
Typ
Max
Unit
Number of system nodes
2
32
Network distance between any two ECU nodes
Bus length
60
m
Node Series Inductor Resistance (if required)
Rind
2.3
Ohm
EMC Inductor voltage drop
Vind
0.3
V
Ground Offset Voltage
Vgoff
0.8
V
Device Capacitance (unit load)
Cul
198
220
242
pF
Network Total Capacitance
Ctl
396
13700
pF
Device Resistance (unit load)
Rul
9009
9100
9191
Ohm
Device Resistance (min load)
Rmin
2000
Ohm
Network Total Resistance
Rtl
270
4596
Ohm
Network Time Constant^[1]
τ
1
Network Time Constant in high speed mode
τ
4
µs
1.5
µs
High Speed Mode Network Resistance to GND
Rload
100
185
Ohm
[1] _{The network time constant incorporates the bus wiring capacitance. The minimum value is selected to limit radiated}
emission. The maximum value is selected to ensure proper communication modes. Not all combinations of R and C are
possible.
TH8055 - Datasheet
3901008055
Page 11 of 20
May 2004
Rev 005