Philips Semiconductors
Preliminary specification
High speed CAN transceiver
TJA1050
CHARACTERISTICS
V
CC
= 4.75 to 5.25 V; T
amb
=
−40
to +125
°C;
R
L
= 60
Ω
unless specified otherwise; all voltages are referenced to GND
(pin 2); positive currents flow into the IC; all parameters are guaranteed over the ambient temperature range by design,
but only 100% tested at T
amb
= 25
°C
unless specified otherwise.
SYMBOL
Supply (V
CC
)
I
CC
supply current
dominant; V
TXD
= 0 V
recessive; V
TXD
= V
CC
Transmitter data input (TXD)
V
IH
V
IL
I
IH
I
IL
C
i(TXD)
V
IH
V
IL
I
IH
I
IL
I
OH
I
OL
V
ref
V
ref
V
CANH(reces)
;
V
CANL(reces)
reference output voltage
−50 µA
< I
Vref
< 50
µA
V
TXD
= V
CC
; no load
−27
V < V
CANH
,
V
CANL
< 32 V;
0 V < V
CC
< 5.25 V
V
TXD
= 0 V
0.45V
CC
2.0
−2.5
0.5V
CC
−
−
0.55V
CC
3.0
+2.5
V
HIGH-level input voltage
LOW-level input voltage
HIGH-level input current
LOW-level input current
TXD input capacitance
output recessive
output dominant
V
TXD
= V
CC
V
TXD
= 0 V
not tested
2.0
−0.3
−30
−100
−
2.0
−0.3
30
−30
tbf
2
−
−
0
−200
−
−
−
60
0
V
CC
+ 0.3 V
+0.8
+30
−300
tbf
V
µA
µA
pF
tbf
tbf
−
−
75
13
mA
mA
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Mode select input (S)
HIGH-level input voltage
LOW-level input voltage
HIGH-level input current
LOW-level input current
silent mode
high speed mode
V
S
= V
CC
V
S
= 0 V
V
RXD
= 0.7 V
CC
V
RXD
= 0.45 V
V
CC
+ 0.3 V
+0.8
100
+30
V
µA
µA
mA
mA
Receiver data output (RXD)
HIGH-level output current
LOW-level output current
tbf
8.5
tbf
20
Bus lines (CANH; CANL)
recessive bus voltage
V
mA
I
o(CANH)(reces)
; recessive output current
I
o(CANL)(reces)
V
o(CANH)
V
o(CANL)
V
i(dif)(bus)
CANH dominant output
voltage
CANL dominant output
voltage
differential bus input voltage
(V
CANH
−
V
CANL
)
2.8
0.5
−
−
−
4.5
2.0
3.0
V
V
V
V
TXD
= 0 V;
42.5 < R
L
< 60
Ω
(dominant)
V
TXD
= V
CC
; no load
(recessive)
1.5
−500
−35
35
−
−
−
+50
−95
150
mV
mA
mA
I
o(sc)(CANH)
I
o(sc)(CANL)
CANH short-circuit output
current
CANL short-circuit output
current
V
CANH
= 0 V;
V
TXD
= 0 V
V
CANL
= 36 V;
V
TXD
= 0 V
6
1999 Sep 27
PHILIPS [ NXP SEMICONDUCTORS ]
