Electrical characteristics (continued) – Rainbow Electronics ATA6631 User Manual
Page 21
21
9165A–AUTO–11/09
ATA6629/ATA6631
10.4
TXD dominant time out
timer
V
TXD
= 0V
TXD
t
dom
27
55
70
ms
A
10.5
Monitoring time for
wake-up over LIN bus
LIN
t
mon
6
10
15
ms
A
10.6
Time delay for mode
change from Silent Mode
into Normal Mode via EN
V
EN
= 5V
EN
t
s_n
5
15
40
µs
A
10.7
Duty cycle 1
TH
Rec(max)
= 0.744
×
V
S
TH
Dom(max)
= 0.581
×
V
S
V
S
= 7.0V to 18V
t
Bit
= 50 µs
D1 = t
bus_rec(min)
/(2
×
t
Bit
)
LIN
D1
0.396
A
10.8
Duty cycle 2
TH
Rec(min)
= 0.422
×
V
S
TH
Dom(min)
= 0.284
×
V
S
V
S
= 7.6V to 18V
t
Bit
= 50 µs
D2 = t
bus_rec(max)
/(2
×
t
Bit
)
LIN
D2
0.581
A
10.9
Duty cycle 3
TH
Rec(max)
= 0.778
×
V
S
TH
Dom(max)
= 0.616
×
V
S
V
S
= 7.0V to 18V
t
Bit
= 96 µs
D3 = t
bus_rec(min)
/(2
×
t
Bit
)
LIN
D3
0.417
A
10.10
Duty cycle 4
TH
Rec(min)
= 0.389
×
V
S
TH
Dom(min)
= 0.251
×
V
S
V
S
= 7.6V to 18V
t
Bit
= 96 µs
D4 = t
bus_rec(max)
/(2
×
t
Bit
)
LIN
D4
0.590
A
10.11
Slope time falling and
rising edge at LIN
V
S
= 7.0V to 18V
LIN
t
SLOPE_fall
t
SLOPE_rise
3.5
22.5
µs
A
11
Receiver Electrical AC Parameters of the LIN Physical Layer
LIN Receiver, RXD Load Conditions: Internal Pull-up; C
RXD
= 20 pF
11.1
Propagation delay of
receiver
V
S
= 7.0V to 18V
t
rx_pd
= max(t
rx_pdr
, t
rx_pdf
)
RXD
t
rx_pd
6
µs
A
11.2
Symmetry of receiver
propagation delay rising
edge minus falling edge
V
S
= 7.0V to 18V
t
rx_sym
= t
rx_pdr
– t
rx_pdf
RXD
t
rx_sym
–2
+2
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