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AMIS42673ICAG1RG

P1-P3P4-P6P7-P9P10-P11
© Semiconductor Components Industries, LLC, 2009
January, 2009 ï Rev. 3
1 Publication Order Number:
AMISï42673/D
AMIS-42673
High-Speed 3.3 V Digital
Interface CAN Transceiver
Description
The AMISï42673 CAN transceiver is the interface between a
controller area network (CAN) protocol controller and the physical
bus. It may be used in both 12V and 24 V systems. The digital
interface level is powered from a 3.3 V supply providing true I/O
voltage levels for 3.3 V CAN controllers.
The transceiver provides differential transmit capability to the bus
and differential receive capability to the CAN controller. Due to the
wide commonïmode voltage range of the receiver inputs, the
AMISï42673 is able to reach outstanding levels of electromagnetic
susceptibility (EMS). Similarly, extremely low electromagnetic
emission (EME) is achieved by the excellent matching of the output
signals.
The AMISï42673 is primarily intended for applications where long
network lengths are mandatory. Examples are elevators, inïbuilding
networks, process control and trains. To cope with the long bus delay
the communication speed needs to be low. AMISï42673 allows low
transmit data rates down to 10 kbit/s or lower.
Features
• True 3.3 V or 5.0 V Logic Level Interface
• Fully Compatible with the “ISO 11898ï2” Standard
• Wide Range of Bus Communication Speed (0 up to 1 Mbit/s)
• Allows Low Transmit Data Rate in Networks Exceeding 1 km
• Ideally Suited for 12 V and 24 V Applications
• Low Electromagnetic Emission (EME); CommonïModeïChoke is
No Longer Required
• Differential Receiver with Wide CommonïMode Range ($35 V) for
High Electromagnetic Susceptibility (EMS)
• No Disturbance of the Bus Lines with an Unpowered Node
• Thermal Protection
• Bus Pins Protected Against Transients
• Short Circuit Proof to Supply Voltage and Ground
• ESD Protection for CAN Bus at $8 kV
• These are PbïFree Devices*
*For additional information on our PbïFree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
http://onsemi.com
PIN ASSIGNMENT
(Top View)
5
6
7
8
1
2
3
4
TxD
RxD
GND
CANL
AMISï
42673
PC20071003.1
See detailed ordering and shipping information in the package
dimensions section on page 10 of this data sheet.
ORDERING INFORMATION
V
CC
CANH
V
REF
V
33
AMISï42673
http://onsemi.com
2
Table 1. TECHNICAL CHARACTERISTICS
Symbol Parameter Condition Max Max Unit
V
CANH
DC Voltage at Pin CANH 0 < V
CC
< 5.25 V; No Time Limit ï45 +45 V
V
CANL
DC Voltage at Pin CANL 0 < V
CC
< 5.25 V; No Time Limit ï45 +45 V
V
o(dif)(bus_dom)
Differential Bus Output Voltage in
Dominant State
42.5 W < R
LT
< 60 W
1.5 3 V
t
pd(recïdom)
Propagation Delay TxD to RxD 100 230 ns
t
pd(domïrec)
Propagation Delay TxD to RxD 100 245 ns
C
Mïrange
Input CommonïMode Range for
Comparator
Guaranteed Differential Receiver
Threshold and Leakage Current
ï35 +35 V
V
CMïpeak
CommonïMode Peak Figures 7 and 8 (Note 1) ï500 500 mV
V
CMïstep
CommonïMode Step Figures 7 and 8 (Note 1) ï150 150 mV
1. The parameters V
CMïpeak
and V
CMïstep
guarantee low EME.
V
33
CANH
CANL
AMISï42673
GND
RxD
V
CC
2
7
6
5
1
Driver
control
Thermal
shutdown
V
CC
8
4
PC20071003.2
TxD
3
V
REF
COMP
V
cc
/
2
+
R
i(cm)
R
i(cm)
’S’
Figure 1. Block Diagram
Table 2. PIN DESCRIPTION
Pin Name Description
1 TxD Transmit Data Input; Low Input → Dominant Driver; Internal Pullup Current
2 GND Ground
3 V
CC
Supply Voltage
4 RxD Receive Data Output; Dominant Transmitter → Low Output
5 V
REF
Reference Voltage Output
6 CANL LOWïLevel CAN Bus Line (Low in Dominant Mode)
7 CANH HIGHïLevel CAN Bus Line (High in Dominant Mode)
8 V
33
3.3 V Supply for Digital I/O
AMISï42673
http://onsemi.com
3
Table 3. ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Conditions Min Max Unit
V
CC
Supply Voltage ï0.3 +7 V
V
33
I/O Interface Voltage ï0.3 +7 V
V
CANH
DC Voltage at Pin CANH 0 < V
CC
< 5.25 V; No Time Limit ï45 +45 V
V
CANL
DC Voltage at Pin CANL 0 < V
CC
< 5.25 V; No Time Limit ï45 +45 V
V
TxD
DC Voltage at Pin TxD ï0.3 V
CC
+ 0.3 V
V
RxD
DC Voltage at Pin RxD ï0.3 V
CC
+ 0.3 V
V
REF
DC Voltage at Pin V
REF
ï0.3 V
CC
+ 0.3 V
V
tran(CANH)
Transient Voltage at Pin CANH Note 2 ï150 +150 V
V
tran(CANL)
Transient Voltage at Pin CANL Note 2 ï150 +150 V
V
tran(VREF)
Transient Voltage at Pin V
REF
Note 2 ï150 +150 V
V
esd(CANL/
CANH)
Electrostatic Discharge Voltage at
CANH and CANL Pin
Note 4
Note 6
ï8
ï500
+8
+500
kV
V
V
esd
Electrostatic Discharge Voltage at All
Other Pins
Note 4
Note 6
ï4
ï250
+ 4
+250
kV
V
Latchïup Static Latchïup at All Pins Note 5 100 mA
T
stg
Storage Temperature ï55 +155 °C
T
A
Ambient Temperature ï40 +125 °C
T
J
Maximum Junction Temperature ï40 +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 ±4kV.
5. Static latchïup immunity: static latchïup protection level when tested according to EIA/JESD78.
6. Standardized charged device model ESD pulses when tested according to EOS/ESD DS5.3ï1993.
Table 4. THERMAL CHARACTERISTICS
Symbol Parameter Conditions Value Unit
R
th(vjïa)
Thermal Resistance from JunctionïtoïAmbient in
SOï8 Package
In Free Air 145 k/W
R
th(vjïs
) Thermal Resistance from JunctionïtoïSubstrate of
Bare Die
In Free Air 45 k/W
P1-P3P4-P6P7-P9P10-P11

AMIS42673ICAG1RG

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Manufacturer:
ON Semiconductor
Description:
CAN Interface IC HS CAN TRANSCEIVER
Lifecycle:
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