Datasheet

Data Sheet 25 Rev. 1.2, 2007-11-13
TLE7269G
Electrical Characteristics
6.1.65 Duty cycle D1
(for worst case at 20 kBit/s)
D1 0.396 – – – duty cycle 1
6)
TH
Rec
(max) = 0.744 × V
S;
TH
Dom
(max) =0.581 × V
S
;
V
S
= 7.0 … 18 V;
t
bit
= 50 µs;
D1 = t
bus_rec(min)
/2 t
bit
;
LIN Spec 2.1 (Par. 27)
6.1.66 Duty cycle D2
(for worst case at 20 kBit/s)
D2 – – 0.581 – duty cycle 2
6)
TH
Rec
(min)= 0.422 × V
S
;
TH
Dom
(min)= 0.284 × V
S
V
S
= 7.6 … 18 V;
t
bit
= 50 µs;
D2 = t
bus_rec(max)
/2 t
bit
;
LIN Spec 2.1 (Par. 28)
6.1.67 Duty cycle D3
(for worst case at 10.4 kBit/s)
Low Slope Mode
D3 0.417 – – – duty cycle 3
6)
TH
Rec
(max) = 0.778 × V
S;
TH
Dom
(max) =0.616 × V
S
V
S
= 7.0 … 18 V;
t
bit
= 96µs;
D3 = t
bus_rec(min)
/2 t
bit
;
LIN Spec 2.1 (Par. 29)
6.1.68 Duty cycle D4
(for worst case at 10.4 kBit/s)
Low Slope Mode
D4 – – 0.590 – duty cycle 4
6)
TH
Rec
(min) = 0.389 × V
S;
TH
Dom
(min) =0.251 × V
S
V
S
= 7.6 … 18 V;
t
bit
= 96µs;
D4 = t
bus_rec(max)
/2 t
bit
;
LIN Spec 2.1 (Par. 30)
1) Not subject to production test, specified by design
2) Minimum limit specified by design
3) Maximum limit specified by design
4)
V
BUS_CNT
=(V
th_dom
-V
th rec
)/2;
5) V
HYS
=V
BUSrec
- V
BUSdom
6) Bus load concerning LIN Spec 2.1:
Load 1 = 1 nF / 1 kΩ =
C
BUS
/ R
BUS
Load 2 = 6,8 nF / 660 Ω = C
BUS
/ R
BUS
Load 3 = 10 nF / 500 Ω = C
BUS
/ R
BUS
Table 7 Electrical Characteristics (cont’d)
7.0 V <
V
S
< 27 V; R
L
= 500 Ω; V
io
= 5V; -40 °C < T
j
< 125 °C; all voltages with respect to ground; positive current
flowing into pin; unless otherwise specified.
Pos. Parameter Symbol Limit Values Unit Remarks
Min. Typ. Max.