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AMIS42670ICAH2RG

P1-P3P4-P6P7-P9P10-P10
© Semiconductor Components Industries, LLC, 2009
January, 2009 − Rev. 3
1 Publication Order Number:
AMIS−42670/D
AMIS-42670
High-Speed CAN
Transceiver for Long
Networks
Description
The AMIS−42670 CAN transceiver is the interface between a
controller area network (CAN) protocol controller and the physical
bus and may be used in both 12 V and 24 V systems. The transceiver
provides differential transmit capability to the bus and differential
receive capability to the CAN controller. Due to the wide
common−mode voltage range of the receiver inputs, the AMIS−42670
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 AMIS−42670 is the industrial version of the AMIS−30660 and
primarily intended for applications where long network lengths are
mandatory. Examples are elevators, in−building networks, process
control and trains. To cope with the long bus delay the communication
speed needs to be low. AMIS−42670 allows low transmit data rates
down 10 kbit/s or lower.
Features
• Fully Compatible with the ISO 11898−2 Standard
• Certified “Authentication on CAN Transceiver Conformance (d1.1)”
• Wide Range of Bus Communication Speed (0 Mbit/s up to 1 Mbit/s)
• Allows Low Transmit Data Rate in Networks Exceeding 1 km
• Ideally Suited for 12 V and 24 V Industrial and Automotive
Applications
• Low Electromagnetic Emission (EME) Common−Mode Choke is No
Longer Required
• Differential Receiver with Wide Common−Mode Range ($35 V) for
High EMS
• No Disturbance of the Bus Lines with an Unpowered Node
• Thermal Protection
• Bus Pins Protected Against Transients
• Silent Mode in which the Transmitter is Disabled
• Short Circuit Proof to Supply Voltage and Ground
• Logic Level Inputs Compatible with 3.3 V Devices
• These are Pb−Free Devices*
*For additional information on our Pb−Free 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
S
GND
CANL
AMIS−
42670
PC20041204.3
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
ORDERING INFORMATION
V
CC
CANH
V
REF
AMIS−42670
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 −45 +45 V
V
CANL
DC Voltage at Pin CANL 0 < V
CC
< 5.25 V; no time limit −45 +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(rec−dom)
Propagation Delay TxD to RxD See Figure 6 70 245 ns
t
pd(dom−rec)
Propagation Delay TxD to RxD See Figure 6 100 245 ns
C
M−range
Input Common−Mode Range for
Comparator
Guaranteed Differential Receiver Threshold
and Leakage Current
−35 +35 V
V
CM−peak
Common−Mode Peak See Figures 7 and 8 (Note 1) −500 500 mV
V
CM−step
Common−Mode Step See Figures 7 and 8 (Note 1) −150 150 mV
1. The parameters V
CM−peak
and V
CM−step
guarantee low electromagnetic emission.
CANH
CANL
AMIS−42670
GND
RxD
V
CC
2
7
6
5
S
1
Driver
Control
Thermal
Shutdown
V
CC
8
4
TxD
3
V
REF
COMP
V
cc
/
2
+
R
i(cm)
R
i(cm)
Figure 1. Block Diagram
PD20070831.4
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 Low−Level CAN Bus Line (Low in Dominant Mode)
7 CANH High−Level CAN Bus Line (High in Dominant Mode)
8 S Silent Mode Control Input; Internal Pulldown Current
AMIS−42670
http://onsemi.com
3
Table 3. ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Conditions Min. Max. Unit
V
CC
Supply 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
V
S
DC Voltage at Pin S −0.3 V
CC
+ 0.3 V
V
REF
DC Voltage at Pin V
REF
−0.3 V
CC
+ 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
esd
Electrostatic Discharge Voltage at All Pins Note 3
Note 5
−4
−750
+4
+750
kV
V
Latch−up Static Latch−up at All Pins Note 4 100 mA
T
stg
Storage Temperature −55 +155 °C
T
A
Ambient Temperature −40 +125 °C
T
J
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 3).
3. Standardized human body model ESD pulses in accordance to MIL883 method 3015.7.
4. Static latch−up immunity: static latch−up protection level when tested according to EIA/JESD78.
5. Standardized charged device model ESD pulses when tested according to EOS/ESD DS5.3−1993.
Table 4. THERMAL CHARACTERISTICS
Symbol Parameter Conditions Value Unit
R
th(vj−a)
Thermal Resistance from Junction−to−Ambient in
SOIC−8 Package
In Free Air 150 k/W
R
th(vj−s
) Thermal Resistance from Junction−to−Substrate
of Bare Die
In Free Air 45 k/W
APPLICATION INFORMATION
AMIS−
42670
CANH
CANL
GND
RxD
TxD
VREF
2
1
3
45
6
7
8
PC20070831.3
V
CC
S
CAN
controller
VBAT
5V−reg
IN OUT
47 nF
60 W
60 W
CAN
BUS
47 nF
60 W
60 W
V
CC
GND
Figure 2. Application Diagram
P1-P3P4-P6P7-P9P10-P10

AMIS42670ICAH2RG

Mfr. #:
Buy AMIS42670ICAH2RG
Manufacturer:
ON Semiconductor
Description:
CAN Interface IC HS CAN TRANSCEIVER
Lifecycle:
New from this manufacturer.
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