Electrical characteristics (continued) – Rainbow Electronics ATA6630 User Manual
Page 25
25
9117C–AUTO–10/09
ATA6628/ATA6630 [Preliminary]
8.3
Driver dominant voltage
V
VS
= 18V
R
load
= 500
Ω
LIN
V
_HiSUP
2
V
A
8.4
Driver dominant voltage
V
VS
= 7.0V
R
load
= 1000
Ω
LIN
V
_LoSUP_1k
0.6
V
A
8.5
Driver dominant voltage
V
VS
= 18V
R
load
= 1000
Ω
LIN
V
_HiSUP_1k
0.8
V
A
8.6
Pull-up resistor to VS
The serial diode is
mandatory
LIN
R
LIN
20
30
47
k
Ω
A
8.7
Voltage drop at the serial
diodes
In pull-up path with R
slave
I
SerDiode
= 10 mA
LIN
V
SerDiode
0.4
1.0
V
D
8.8
LIN current limitation
V
BUS
= V
Batt_max
LIN
I
BUS_LIM
70
120
200
mA
A
8.9
Input leakage current at
the receiver including
pull-up resistor as
specified
Input leakage current
Driver off
V
BUS
= 0V
V
Batt
= 12V
LIN
I
BUS_PAS_dom
–1
–0.35
mA
A
8.10
Leakage current LIN
recessive
Driver off
8V < V
Batt
< 18V
8V < V
BUS
< 18V
V
BUS
≥
V
Batt
LIN
I
BUS_PAS_rec
10
20
µA
A
8.11
Leakage current at GND
loss, control unit
disconnected from ground.
Loss of local ground must
not affect communication
in the residual network.
GND
Device
= V
S
V
Batt
= 12V
0V < V
BUS
< 18V
LIN
I
BUS_NO_gnd
–10
+0.5
+10
µA
A
8.12
Leakage current at loss of
battery. Node has to
sustain the current that
can flow under this
condition. Bus must
remain operational under
this condition.
V
Batt
disconnected
V
SUP_Device
= GND
0V < V
BUS
< 18V
LIN
I
BUS_NO_bat
0.1
2
µA
A
9
LIN Bus Receiver
9.1
Center of receiver
threshold
V
BUS_CNT
=
(V
th_dom
+ V
th
_
rec
)/2
LIN
V
BUS_CNT
0.475
×
V
S
0.5
×
V
S
0.525
×
V
S
V
A
9.2
Receiver dominant state
V
EN
= V
CC
LIN
V
BUSdom
0.4
×
V
S
V
A
9.3
Receiver recessive state
V
EN
= V
CC
LIN
V
BUSrec
0.6
×
V
S
V
A
9.4
Receiver input hysteresis V
hys
= V
th_rec
– V
th_dom
LIN
V
BUShys
0.028
×
V
S
0.1
×
V
S
0.175
×
V
S
V
A
9.5
Pre_Wake detection LIN
High-level input voltage
LIN
V
LINH
V
S
– 2V
V
S
+ 0.3V
V
A
9.6
Pre_Wake detection LIN
Low-level input voltage
Activates the LIN receiver
LIN
V
LINL
–27
V
S
– 3.3V
V
A
10
Internal Timers
10.1
Dominant time for
wake-up via LIN bus
V
LIN
= 0V
LIN
t
bus
30
90
150
µs
A
9.
Electrical Characteristics (Continued)
5V < V
S
< 27V, –40°C < T
j
< 150°C, unless otherwise specified. All values refer to GND pins
No.
Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
Type*
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter