MLX80001 Datasheet, PDF (19/28 Pages) Melexis Microelectronic Systems – 4-channel Master LIN Transceiver

MLX80001
4-channel Master LIN Transceiver
5. Application Hints
5.1 Bus loading requirements
Parameter
Symbol
Min
Operating voltage range
VBAT
8
Voltage drop of reverse protection diode
VDrop_rev
0.4
Voltage drop at the serial diode in pull up path
VSerDiode
0.4
Battery shift voltage
VShift_BAT
0
Ground shift voltage
VShift_GND
0
Master termination resistor
Rmaster
900
Slave termination resistor
Rslave
20
Number of system nodes
N
2
Total length of bus line
LENBUS
Line capacitance
CLINE
Capacitance of master node
CMaster
Capacitance of slave node
CSlave
195
Total capacitance of the bus including slave and master
capacitance
CBUS
0.47
Network Total Resistance
RNetwork
500
Time constant of overall system
τ
1
Typ
Max
Unit
18
V
0.7
1
V
0.7
1
V
0.1
VBAT
0.1
VBAT
1000
1100
Ω
30
60
kΩ
16
40
m
100
150
pF/m
220
pF
220
300
pF
4
10
nF
862
Ω
5
µs
Table 1 - Bus loading requirements
MLX80001 – Datasheet
3901080001
Page 19 of 28
March 2007
Rev 001