Philips Semiconductors
Preliminary specification
High speed CAN transceiver
TJA1050
SYMBOL
Vdif(th)
PARAMETER
CONDITIONS
MIN.
0.5
TYP.
0.7
MAX.
0.9
UNIT
differential receiver threshold −12 V < VCANH,
V
voltage
VCANL < 12 V; see Fig.5
Vi(dif)(hys)
differential receiver input
voltage hysteresis
see Fig.5
100
10
−
200
50
mV
kΩ
%
Ri(cm)(CANH)
Ri(cm)(CANL)
Ri(cm)(m)
;
CANH; CANL common
mode input resistance
25
−
matching between CANH
and CANL common mode
input resistance
VCANH = VCANL
−3
+3
Ri(dif)
Ci(CANH)
Ci(CANL)
differential input resistance
20
50
100
20
kΩ
;
CANH; CANL input
capacitance
VTXD = VCC; not tested
−
−
pF
Ci(dif)
differential input capacitance
−
−
−
−
10
pF
ILI(CANH)
ILI(CANL)
;
CANH; CANL input leakage VCC = 0 V;
current VCANH = VCANL = 5 V
500
µA
Thermal shutdown
Tj(sd) shutdown junction
temperature
155
165
180
°C
Timing characteristics (see Figs 3 and 4)
td(TXD-BUSon) delay TXD to bus active
td(TXD-BUSoff) delay TXD to bus inactive
td(BUSon-RXD) delay bus active to RXD
td(BUSoff-RXD) delay bus inactive to RXD
VS = 0 V
tbf
tbf
tbf
tbf
150
100
ns
ns
1999 Sep 27
7
NXP [ NXP ]
