Datasheet

SN65LBC031, SN65LBC031Q, SN75LBC031
HIGH-SPEED CONTROLLER AREA NETWORK (CAN) TRANSCEIVERS
SLRS048A – MAY 1998 – REVISED APRIL 2000
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
transmitter electrical characteristics over recommended ranges of supply and operating free-air
temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
O(CANHR)
V
O(CANLR)
Output voltage (recessive state)
See Figure 2, S1 open
2 0.5V
CC
3 V
V
O(DIFFR)
Differential output voltage (recessive state)
g,
–500 0 50 mV
V
O(CANHD)
Output voltage (dominant state) 2.75 3.5 4.5
V
O(CANLD)
Output voltage (dominant state)
See Figure 2, S1 closed
0.5 1.5 2.25
V
V
O(DIFFD)
Differential output voltage (dominant state) 1.5 2 3
I
IH(TX)
High level in
p
ut current (TX)
V
IH
= 2.4 V –100 –185
µA
I
IH(TX)
High
-
le
v
el
inp
u
t
c
u
rrent
(TX)
V
IH
= V
CC
±2
µ
A
I
IH(ASC)
High level in
p
ut current (ASC)
V
IH
= 2.4 V 100 165
µA
I
IH(ASC)
High
-
le
v
el
inp
u
t
c
u
rrent
(ASC)
V
IH
= V
CC
200 340
µ
A
I
IL(TX)
Low-level input current (TX) V
IL
= 0.4 V –180 –400 µA
I
IL(ASC)
Low-level input current (ASC) V
IL
= 0.4 V 15 25 µA
C
I(TX)
TX input capacitance 8 pF
I
O(ssH)
CANH short circuit output current V
O(CANH)
= –2 V to 20 V –95 –200 mA
I
O(ssL)
CANL short circuit output current V
O(CANL)
= 20 V to –2 V 140 250 mA
NOTE 2: All voltage values, except differential bus voltage, are measured with respect to the ground terminal.
transceiver dynamic characteristics over recommended operating free-air temperature range and
V
CC
= 5 V
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
(l )
Loo
p
time
See Figures 2 and 3,
S1 closed,
V
I(ASC)
= 0 V or open circuit,
S2 open
280 ns
t
(loop)
Loop
time
See Figures 2 and 3,
S1 closed,
V
I(ASC)
= V
CC
,
S2 closed
400 ns
SR
(RD)
Differential-output slew rate
See Figures 2 and 4,
S1 closed,
V
I(ASC)
= 0 or open circuit,
S2 open
35 V/µs
SR
(RD)
(recessive to dominant)
See Figures 2 and 4,
S1 closed,
V
I(ASC)
= V
CC
,
S2 closed
10 V/µs
SR
(DR)
Differential-output slew rate
See Figures 2 and 4,
S1 closed,
V
I(ASC)
= 0 or open circuit,
S2 open
10 V/µs
SR
(DR)
(dominant to recessive)
See Figures 2 and 4,
S1 closed,
V
I(ASC)
= V
CC
,
S2 closed
10 V/µs
t
d(RD)
Differential out
p
ut delay time
See Figure 2
S1 closed
55 ns
t
d(DR)
Differential
-
o
u
tp
u
t
dela
y
time
See
Fig
u
re
2
,
S1
closed
160 ns
t
pd(RECRD)
Receiver propagation delay
See Figures 2 and 5
90 ns
t
pd(RECDR)
gy
time
See
Fig
u
res
2
and
5
55 ns
NOTE 4: Receiver input pulse width should be >50 ns. Input pulses of <30 ns are suppressed.