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L9638D

P1-P3P4-P6P7-P9P10-P12P13-P14
Obsolete Product(s) - Obsolete Product(s)
L9638
4/14
2.10 d
VLIN/dt
Slew rate falling edge From 90% to 10% of V
LIN
-3 -2 -1 V/µs
2.11 t
sym
Rising/ Falling edge
symmetry
t
sym
= t
slope_fall
- t
slope_rise
-5 -5 µs
2.12 t
trans_pd
Propagation delay of
transmitter
See Fig.2
t
trans_pd
= max (t
trans_pdr,
trans_pdf
)
4 µs
2.13 t
rec_pd
Propagation delay of
receiver
See Fig.2
t
rec_pd
= max (t
rec_pdr, trec_pdf
)
6 µs
2.14 t
rec_sym
Symmetry of receiver
propagation delay rising
edge w.r.t. falling edge
See Fig.2
t
rec_sym
= (t
rec_pdf -trec_pdr
)
-2 2 µs
2.15 t
trans_sym
Symmetry of transmitter
propagation delay rising
edge w.r.t. falling edge
See Fig.2
t
trans_sym
= (t
trans_pdf -ttrans_pdr
)
-2 2 µs
2.16 t
LINgs
Bus wake-up glitch
suppression time
See Fig.3 V
LIN
= V
LINLow
40 100 µs
3
Transmission Input TxD
3.1 VT
xDLow
Input Voltage dominant
state
1.5 V
3.2 VT
xDHigh
Input Voltage recessive
state
3.5 V
3.3 RT
xD
TxD pull up resistor 5 10 25 KΩ
4
Receive Output RxD
4.1 VR
xDLow
Output Voltage dominant
state
I
RxD
= 2mA 1.5 V
4.2 VR
xDHigh
Output Voltage recessive
state
I
RxD
≥10µA4.5V
4.3 R
RxD
RxD pull up resistor 5 10 25 kΩ
5
Inhibit Output INH
5.1 R
ON(INH)
Switch on resistance
between Vs and INH
I
INH
=-15mA; Vs=13.5V 20 40 Ω
5.2 I
ON(INH)
INH output current Normal or stand-by mode 15 30 50 mA
5.3 R
OFF(INH)
Switch off INH pull down
resistor
51025kΩ
6
Wake Up Input WUP
6.1 V
WUPLow
Low level input voltage 1.5 V
6.2 V
WUPHigh
High level input voltage 3.5 Vs+0.
3
V
Table 5. Electrical Characteristics (continued)
(V
S
= 6V to 26V; T
J
= -40 to 150 °C unless otherwise specified)
Item Symbol Parameter Test Condition Min. Typ. Max. Unit
Obsolete Product(s) - Obsolete Product(s)
Obsolete Product(s) - Obsolete Product(s)
5/14
L9638
Note: 1. Room temperature evaluated - no 100% tested
6.3 t
WUPgs
Remote wake-up delay time Transitioning on WUP 40 100 µs
7
Enable Input EN
7.1 VEN
Low
Low level input voltage 1.5 V
7.2 VEN
High
High level input voltage 3.5 V
7.3 R
EN
EN pull down resistor 5 10 25 KΩ
7.4 tgts Go to sleep delay time V
EN
= V
ENlow
40 100 µs
7.5 t
ENgs
EN wake-up glitch
suppression time
V
EN
= V
ENhigh
40 100 µs
8
AC Timing Parameters
8.1 D1 Duty Cycle 1 TH
Rec(max)
= 0.744 x V
SUP
;
TH
Dom(max)
= 0.581 x V
SUP
;
Vsup = 7.0 to 18V; t
bit
= 50µs;
D1 = t
Bus_rec(min)
/2 x t
Bit
(C
BUS
; R
BUS
) 1nF; 1kΩ/6.8nF;
660Ω/10nF; 500Ω
0.396
8.2 D2 Duty Cycle 2 TH
Rec(min)
= 0.284 x V
SUP
;
TH
Dom(min)
= 0.422 x V
SUP
;
Vsup = 7.6 to 18V; t
bit
= 50µs;
D2 = t
Bus_rec(min)
/2 x t
Bit
(C
BUS
; R
BUS
) 1nF; 1kΩ/6.8nF;
660Ω/10nF; 500Ω
0.581
8.3 D3 Duty Cycle 3 TH
Rec(max)
= 0.778 x V
SUP
;
TH
Dom(max)
= 0.616 x V
SUP
;
Vsup = 7.0 to 18V; t
bit
= 96µs;
D3 = t
Bus_rec(min)
/2 x t
Bit
(C
BUS
; R
BUS
) 1nF; 1kΩ/6.8nF;
660Ω/10nF; 500Ω
0.417
8.4 D4 Duty Cycle 4 TH
Rec(min)
= 0.251 x V
SUP
;
TH
Dom(min)
= 0.389 x V
SUP
;
Vsup = 7.6 to 18V; t
bit
= 96µs;
D4 = t
Bus_rec(min)
/2 x t
Bit
(C
BUS
; R
BUS
) 1nF; 1kΩ/6.8nF;
660Ω/10nF; 500Ω
0.591
9
Fault Conditions
9.1 I
LIN_NO_GND
LIN current with GND
disconnected
GND = Vs = 12V
0V< V
LIM
< 18V (1)
-1 1 mA
9.2 I
LIN_NO_Vs
LIN current with V
S
grounded
V = GND, 0V < V
LIN
< 18V
(1)
100 µA
Table 5. Electrical Characteristics (continued)
(V
S
= 6V to 26V; T
J
= -40 to 150 °C unless otherwise specified)
Item Symbol Parameter Test Condition Min. Typ. Max. Unit
Obsolete Product(s) - Obsolete Product(s)
Obsolete Product(s) - Obsolete Product(s)
L9638
6/14
3 TIMING DIAGRAM
Figure 3. Definition of Bus Timing Parameters
Obsolete Product(s) - Obsolete Product(s)
P1-P3P4-P6P7-P9P10-P12P13-P14

L9638D

Mfr. #:
Buy L9638D
Manufacturer:
STMicroelectronics
Description:
IC TXRX CAN 8SO
Lifecycle:
New from this manufacturer.
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