AMIS-42770_14 Datasheet, PDF (8/13 Pages) ON Semiconductor – Dual High Speed CAN Transceiver

AMIS−42770
Table 5. THERMAL CHARACTERISTICS
Symbol
Parameter
Conditions
Value
Unit
R_{th(vj−a)}
Thermal resistance from junction to ambient in SO20 package
In free air
85
K/W
R_{th(vj−s)}
Thermal resistance from junction to substrate of bare die
In free air
45
K/W
DC CHARACTERISTICS
Table 6. DC AND TIMING CHARACTERISTICS
(V_CC = 4.75 to 5.25 V; T_junc = −40 to +150°C; R_LT = 60 W unless specified otherwise.)
Symbol
Parameter
Conditions
Min.
SUPPLY (pin V_CC)
I_CC
Supply current, no loads on di-
gital outputs, both busses en-
abled
Dominant transmitted
Recessive transmitted
PORL_VCC
Power−on−reset level on V_CC
2.2
DIGITAL INPUTS (Tx0, Text, EN1B, EN2B)
V_IH
High−level input voltage
V_IL
Low−level input voltage
I_IH
High−level input current
I_IL
Low−level input current
C_i
Input capacitance
DIGITAL OUTPUTS (pin Rx0, Rint)
V_IN = V_CC
V_IN = 0 V
Not tested
0.7 x V_CC
−0.3
−5
−75
−
I_oh
High−level output current
I_ol
Low−level output current
REFERENCE VOLTAGE OUTPUT (pin V_REF1)
V_REF
Reference output voltage
V_{REF_CM}
Reference output voltage for
full common mode range
BUS LINES (pins CANH1/2 and CANL1/2)
V_o = 0.7 x V_CC
−5
V_o = 0.3 x V_CC
5
−50 mA < I_VREF < +50 mA
−35 V <V_CANHx < +35 V;
−35 V <V_CANLx < +35 V
0.45 x V_CC
0.40 x V_CC
V_{o(reces)(CANHx)} Recessive bus voltage at pin
V_Tx0 = V_CC; no load
2.0
CANH1/2
V_{o(reces)(CANLx)} Recessive bus voltage at pin
V_Tx0 = V_CC; no load
2.0
CANL1/2
I_{o(reces) (CANHx)}
I_{o(reces) (CANLx)}
V_{o(dom) (CANHx)}
Recessive output current at
pin CANH1/2
Recessive output current at
pin CANL1/2
Dominant output voltage at pin
CANH1/2
−35 V < V_CANHx < +35 V;
0 V < V_CC < 5.25 V
−35 V < V_CANLx < +35 V;
0 V < V_CC < 5.25 V
V_Tx0 = 0 V
−2.5
−2.5
3.0
V_{o(dom) (CANLx)} Dominant output voltage at pin
V_Tx0 = 0 V
0. 5
CANL1/2
V_{o(dif) (bus)}
Differential bus output voltage
(V_CANHx − V_CANLx)
V_Tx0 = 0 V; dominant;
42.5 W < R_LT < 60 W
V_TxD = V_CC; recessive;
no load
1.5
−120
I_{o(sc) (CANHx)}
Short circuit output current at
V_CANHx = 0 V;V_Tx0 = 0 V
−45
pin CANH1/2
I_{o(sc) (CANLx)}
Short circuit output current at
V_CANLx = 36 V; V_Tx0 = 0 V
45
pin CANL1/2
Typ.
Max.
Unit
45
137.5
mA
19.5
4.7
V
−
−
0
−200
5
V_CC
V
0.3 x V_CC
V
+5
mA
−350
mA
10
pF
−10
−15
mA
10
15
mA
0.50 x V_CC 0.55 x V_CC
V
0.50 x V_CC 0.60 x V_CC
V
2.5
3.0
V
2.5
3.0
V
−
+2.5
mA
−
+2.5
mA
3.6
4.25
V
1.4
1.75
V
2.25
3.0
V
0
+50
mV
−70
−120
mA
70
120
mA
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