TH8065
Voltage Regulator with LIN Transceiver and Watchdog
2.3.2. LIN Bus Interface
Parameter
Symbol
Condition
General
Pull up current BUS (recessive)
Pull up resistor BUS
Reverse current BUS (recessive)
Reverse current BUS (loss of battery)
Reverse current BUS (loss of ground)
I
INBUSpu
R
BUSpu
V
BUS
= 18 V, V
SUP
= 6V
V
SUP
= 12V, V
BUS
= 0V
20
-1
20
-1
1
30
20
47
μA
kΩ
mA
µA
mA
A
A
A
A
A
Min
Typ
Max
Unit T
[1]
-I
INBUSrev
V
SUP
= 12V, V
BUS
= 0V
I
INBUS_lob
V
SUP
= 0V, 0V
≤
V
BUS
≤
18V
I
INBUS_log
V
SUP
= 12V, 0V
≤
V
BUS
≤
18V
Receiver
V
thr_rec
,
V
thr_dom
V
thr_cnt
V
thr_hys
Transmitter
7.0 V
≤
V
SUP
≤
18 V
Receive threshold
Centre point of receive threshold
V
thr_cnt
= (V
thr_rec
+V
thr_dom
)/2
Hysteresis of receive threshold
V
thr_hys
= V
thr_rec
-V
thr_dom
0.4
0.475
0.5
0.15
0.6
0.525
0.175
A
V
SUP
A
A
Output voltage BUS (dominant)
Current limitation BUS
V
BUSdom_1
I
LIM
I
BUS
= 40mA
V
BUS
= V
SUP
, TxD = 0V
Input TxD
41
120
1.2
200
V
mA
A
A
Pull-up resistor
Input voltage low TxD
Input voltage high TxD
R
pu_TxD
V
IL
V
IH
V
IN
= 0V
9.5
15
21
0.3
kΩ
A
V
CC
A
V
CC
A
0.7
Output RxD
Output voltage Low RxD
Output voltage High RxD
V
OL
V
OH
I
OUT
= 1 mA
I
OUT
= -1 mA
V
CC
- 0.8
0.8
V
V
A
A
[1]
A = 100% serial test, B = Operating parameter, C = only used for data characterization (cpk), D = Value guaranteed by design
TH8065 – Datasheet
3901008065
Page 8 of 40
May 2006
Rev 003
MELEXIS [ Melexis Microelectronic Systems ]
