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AMIS30663CANG2RG

P1-P3P4-P6P7-P9P10-P11
AMIS−30663
http://onsemi.com
4
Functional Description
General
The AMIS−30663 is the interface between the CAN
protocol controller and the physical bus. It is intended for
use in automotive and industrial applications requiring baud
rates up to 1 Mbaud. It provides differential transmit
capability to the bus and differential receiver capability to
the CAN protocol controller. It is fully compatible to the
“ISO 11898−2” standard.
Operating Modes
AMIS−30663 only operates in high−speed mode as
illustrated in Table 4.
The transceiver is able to communicate via the bus lines.
The signals are transmitted and received to the CAN
controller via the pins TxD and RxD. The slopes on the bus
lines outputs are optimised to give extremely low EME.
Table 4. Function Table (X = don’t care)
Mode
Pin Bus
TxD RxD State CANH CANL
4.75 V < Vcc < 5.25 V
High
Speed
0 0 Dominant High Low
1 1 Recessive 0.5 Vcc 0.5 Vcc
Vcc < PORL
− X 1 Recessive 0 < V
CANH
< V
CC
0 < V
CANL
< V
CC
PORL < Vcc < 4.75 V
−
> V
IH
1 Recessive 0 < V
CANH
< V
CC
0 < V
CANL
< V
CC
Over−temperature Detection
A thermal protection circuit protects the IC from damage
by switching off the transmitter if the junction temperature
exceeds a value of approximately 160°C. Because the
transmitter dissipates most of the power, the power
dissipation and temperature of the IC is reduced. All other
IC functions continue to operate. The transmitter off−state
resets when pin TxD goes HIGH. The thermal protection
circuit is particularly needed when a bus line short circuits.
TxD Dominant Time−out Function
A TxD dominant time−out timer circuit prevents the bus
lines from being driven to a permanent dominant state
(blocking all network communication) if pin TxD is forced
permanently LOW by a hardware and/or software
application failure. The timer is triggered by a negative edge
on pin TxD. If the duration of the LOW−level on pin TxD
exceeds the internal timer value t
dom
, the transmitter is
disabled, driving the bus into a recessive state. The timer is
reset by a positive edge on pin TxD.
Fail−safe Features
A current−limiting circuit protects the transmitter output
stage from damage caused by accidental short−circuit to
either positive or negative supply voltage − although power
dissipation increases during this fault condition.
The pins CANH and CANL are protected from
automotive electrical transients (according to “ISO 7637”;
see Figure 4).
Should TxD become disconnected, this pin is pulled high
internally.
When the Vcc supply is removed, pins TxD and RxD will
be floating. This prevents the AMIS−30663 from being
supplied by the CAN controller through the I/O pins.
3.3 V Interface
AMIS−30663 may be used to interface with 3.3 V or 5 V
controllers by use of the V
33
pin. This pin may be supplied
with 3.3 V or 5 V to have the corresponding digital interface
voltage levels.
When the V
33
pin is supplied at 2.5 V, even interfacing
with 2.5 V CAN controllers is possible. See also Digital
Output Characteristics @ V
33
= 2.5 V, Table 8. In this case
a pull resistor from TxD to V
33
is necessary.
Electrical Characteristics
Definitions
All voltages are referenced to GND (pin 2). Positive
currents flow into the IC. Sinking current means that the
current is flowing into the pin. Sourcing current means that
the current is flowing out of the pin.
Absolute Maximum Ratings
Stresses above those listed in Table 5 may cause
permanent device failure. Exposure to absolute maximum
ratings for extended periods may effect device reliability.
AMIS−30663
http://onsemi.com
5
Table 5. Absolute Maximum Ratings
Symbol Parameter Conditions Min. Max. Unit
V
CC
Supply voltage −0.3 +7 V
V
33
I/O interface voltage −0.3 +7 V
V
CANH
DC voltage at pin CANH 0 < V
CC
< 5.25 V; no time limit −45 +45 V
V
CANL
DC voltage at pin CANL 0 < V
CC
< 5.25 V; no time limit −45 +45 V
V
TxD
DC voltage at pin TxD −0.3 V
CC
+ 0.3 V
V
RxD
DC voltage at pin RxD −0.3 V
CC
+ 0.3 V
VREF DC voltage at pin VREF −0.3 VCC + 0.3 V
V
tran(CANH)
Transient voltage at pin CANH (Note 2) −150 +150 V
V
tran(CANL)
Transient voltage at pin CANL (Note 2) −150 +150 V
V
tran(VREF)
Transient voltage at pin VREF (Note 2) −150 +150 V
V
esd(CANL/CANH)
Electrostatic discharge voltage at
CANH and CANL pin
(Note 3)
(Note 6)
−8
−500
+8
+500
kV
V
V
esd
Electrostatic discharge voltage at all
other pins
(Note 4)
(Note 6)
−4
−250
+ 4
+250
kV
V
Latch−up Static latch−up at all pins (Note 5) 100 mA
T
stg
Storage temperature −55 +155 °C
T
amb
Ambient temperature −40 +125 °C
T
junc
Maximum junction temperature −40 +150 °C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
2. Applied transient waveforms in accordance with “ISO 7637 part 3”, test pulses 1, 2, 3a and 3b (see Figure 4).
3. Standardized human body model system ESD pulses in accordance to IEC 1000.4.2.
4. Standardized human body model ESD pulses in accordance to MIL883 method 3015. Supply pin 8 is ±4 kV.
5. Static latch−up immunity: static latch−up protection level when tested according to EIA/JESD78.
6. Standardized charged device model ESD pulses when tested according to EOS/ESD DS5.3−1993.
Table 6. Thermal Characteristics
Symbol Parameter Conditions Value Unit
R
th(vj−a)
Thermal resistance from junction to ambient in SO8 package In free air 145 K/W
R
th(vj−s)
Thermal resistance from junction to substrate of bare die In free air 45 K/W
Table 7. DC Characteristics
(V
CC
= 4.75 to 5.25 V; V
33
= 2.9 V to 3.6 V; T
junc
= −40 to +150°C; R
LT
= 60 W unless specified otherwise.)
Symbol
Parameter Conditions Min. Typ. Max. Unit
Supply (pin V
CC
and pin V
33
)
I
CC
Supply current
Dominant; V
TXD
= 0 V
Recessive;
V
TXD
= V
CC
45
4
65
8
mA
I
33
I/O interface current V
33
= 3.3 V;
C
L
= 20 pF; recessive
1
mA
I
33
I/O interface current (Note 7) V
33
= 3.3 V;
C
L
= 20 pF; 1 Mbps
170
mA
Transmitter Data Input (pin TxD)
V
IH
HIGH−level input voltage Output recessive 2.0 − V
CC
V
V
IL
LOW−level input voltage Output dominant −0.3 − +0.8 V
I
IH
HIGH−level input current V
TxD
= V
33
−1 0 +1
mA
I
IL
LOW−level input current V
TxD
= 0 V −50 −200 −300
mA
7. Not tested on ATE.
AMIS−30663
http://onsemi.com
6
Table 7. DC Characteristics
(V
CC
= 4.75 to 5.25 V; V
33
= 2.9 V to 3.6 V; T
junc
= −40 to +150°C; R
LT
= 60 W unless specified otherwise.)
Symbol UnitMax.Typ.Min.ConditionsParameter
Transmitter Data Input (pin TxD)
C
i
Input capacitance (Note 7) − 5 10 pF
Receiver Data Output (pin RxD)
V
OH
HIGH−level output voltage I
RXD
= − 10 mA 0.7 x
V
33
0.75 x
V
33
V
V
OL
LOW−level output voltage I
RXD
= 5 mA 0.18 0.35 V
I
oh
HIGH−level output current (Note 7) V
RxD
= 0.7 x V
33
−10 −15 −20 mA
I
ol
LOW−level output current (Note 7) V
RxD
= 0.45 V 5 10 15 mA
Reference Voltage Output (pin V
REF
)
V
REF
Reference output voltage
−50 mA < I
VREF
< +50 mA
0.45 x
V
CC
0.50 x
V
CC
0.55 x
V
CC
V
V
REF_CM
Reference output voltage for full
common−mode range
−35 V < V
CANH
< +35 V;
−35 V <
V
CANL
< +35 V
0.40 x
V
CC
0.50 x
V
CC
0.60 x
V
CC
V
Bus Lines (pins CANH and CANL)
V
o(reces)(CANH)
Recessive bus voltage at pin CANH V
TxD
= V
CC
; no load 2.0 2.5 3.0 V
V
o(reces)(CANL)
Recessive bus voltage at pin CANL V
TxD
= V
CC
; no load 2.0 2.5 3.0 V
I
o(reces)
(CANH)
Recessive output current at pin CANH
−35 V < V
CANH
< +35 V;
0 V < V
CC
< 5.25 V
−2.5 − +2.5 mA
I
o(reces)
(CANL)
Recessive output current at pin CANL
−35 V < V
CANL
< +35 V;
0 V < V
CC
< 5.25 V
−2.5 − +2.5 mA
V
o(dom)
(CANH)
Dominant output voltage at pin CANH V
TxD
= 0 V 3.0 3.6 4.25 V
V
o(dom)
(CANL)
Dominant output voltage at pin CANL V
TxD
= 0 V 0. 5 1.4 1.75 V
V
o(dif)
(bus)
Differential bus output voltage
(V
CANH
− V
CANL
)
V
TxD
= 0 V; dominant;
42.5 W < R
LT
< 60 W
1.5 2.25 3.0 V
V
TxD
= V
CC
;
recessive; no load
−120 0 +50 mV
I
o(sc)
(CANH)
Short circuit output current at pin CANH V
CANH
= 0 V; V
TxD
= 0 V −45 −70 −95 mA
I
o(sc)
(CANL)
Short circuit output current at pin CANL V
CANL
= 36 V; V
TxD
= 0 V 45 70 120 mA
V
i(dif)(th)
Differential receiver threshold voltage
−5 V < V
CANL
< +12 V;
−5 V <
V
CANH
< +12 V;
see Figure 5
0.5 0.7 0.9 V
V
ihcm(dif)
(th)
Differential receiver threshold voltage
for high common−mode
−35 V < V
CANL
< +35 V;
−35 V < V
CANH
< +35 V;
see Figure 5
0.25 0.7 1.05 V
V
i(dif)
(hys)
Differential receiver input voltage
hysteresis
−35 V < V
CANL
< +35 V;
−35 V < V
CANH
< +35 V;
see Figure 5
50 70 100 mV
Bus Lines (pins CANH and CANL)
R
i(cm)(CANH)
Common−mode input resistance at pin
CANH
15 25 37
KW
R
i(cm)
(CANL)
Common−mode input resistance at pin
CANL
15 25 37
KW
R
i(cm)(m)
Matching between pin CANH and pin
CANL common−mode input resistance
V
CANH
= V
CANL
−3 0 +3 %
7. Not tested on ATE.
P1-P3P4-P6P7-P9P10-P11

AMIS30663CANG2RG

Mfr. #:
Buy AMIS30663CANG2RG
Manufacturer:
ON Semiconductor
Description:
CAN Interface IC HS CAN TRANSC 3.3V
Lifecycle:
New from this manufacturer.
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