Datasheet

SN65LBC031, SN65LBC031Q, SN75LBC031
HIGH-SPEED CONTROLLER AREA NETWORK (CAN) TRANSCEIVERS
SLRS048A – MAY 1998 – REVISED APRIL 2000
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
receiver electrical characteristics over recommended ranges of common-mode input voltage,
supply voltage, and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
IT(REC)
Differential input threshold voltage for recessive state
V
IC
= 2Vto7V
500
mV
V
IT(DOM)
Differential input threshold voltage for dominant state
V
IC
= –
2
V
to
7
V
900
mV
V
hys
Recessive-dominant input hysteresis 100 180 mV
V
OH(RX)
High-level output voltage
V
O(DIFF)
= 500 mV,
I
OH
= –400 µA
V
CC
–0.5 V V
CC
V
V
OL(RX)
Low-level output voltage
V
O(DIFF)
= 900 mV,
I
OL
= 1 mA
0 0.5 V
r
I(REC)
CANH and CANL input resistance in recessive state dc, no load 5 50 kΩ
r
I(DIFF)
Differential CANH and CANL input resistance in recessive
state
dc, no load 10 100 kΩ
C
i
CANH and CANL input capacitance 20 pF
C
i(DHL)
Differential CANH and CANL input capacitance 10 pF
NOTE 2: All voltage values, except differential bus voltage, are measured with respect to the ground terminal.
PARAMETER MEASUREMENT INFORMATION
CANH
CANL
V
CC
TX
Input
60 Ω 60 Ω
60 Ω 60 Ω
R
Generator
(see Note A)
RX Output
ASC
V
DIFF
56 pF
15 pF
56 pF
S2
S1
NOTE A: The input pulse is supplied to TX by a generator having a t
r
and t
f
= 5 ns.
Figure 2. Test Circuit