Rainbow Electronics ATA6631 - Manual (Page 20)

20
9165A–AUTO–11/09
ATA6629/ATA6631
8.8
LIN current limitation
V
BUS
= V
Batt_max
LIN I
BUS_LIM
40 120 200 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 when
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
disconnected 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
= 5V LIN V
BUSdom
–27 0.4
×
V
S
V A
9.3 Receiver recessive state V
EN
= 5V LIN V
BUSrec
0.6
×
V
S
40 V A
9.4 Receiver input hysteresis V
hys
= V
th_rec
– V
th_dom
LIN V
BUShys
0.028
×
V
S
0.1 x 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
10.2
Time delay for mode
change from Fail-safe
into Normal Mode via pin
EN
V
EN
= 5V EN t
norm
5 15 20 µs A
10.3
Time delay for mode
change from Normal
Mode to Sleep Mode via
pin EN
V
EN
= 0V EN t
sleep
2 7 15 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