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AMI SEMICONDUCTOR

AMIS-42675 Datasheet Preview

AMIS-42675 Datasheet

High-Speed Low Power CAN Transceiver

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AMIS-42675 High-Speed Low Power CAN Transceiver
For Long Networks
Data Sheet
1.0 General Description
The AMIS-42675 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 24V systems. The transceiver provides differential transmit capability to the bus and differential receive
capability to the CAN controller.
The AMIS-42675 is the low power member of the CAN high-speed transceiver family and offers the following additional features:
Ideal passive behaviour when supply voltage is removed
Wake-up over bus
Extremely low current standby mode
Due to the wide common-mode voltage range of the receiver inputs, the AMIS-42675 is able to reach outstanding levels of electro-
magnetic susceptibility (EMS). Similarly, extremely low electromagnetic emission (EME) is achieved by the excellent matching of the
output signals.
The AMIS-42675 is the industrial version of the AMIS-42665 and primarily 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-42675 allows low transmit data rates down 10 Kbit/s or lower.
2.0 Key Features
Compatible with the ISO 11898 standard (ISO 11898-2, ISO 11898-5 and SAE J2284)
Wide range of bus communication speed (0 up to 1 Mbit/s)
Ideally suited for 12V and 24V industrial and automotive applications
Allows low transmit data rate in networks exceeding 1 km
Extremely low current standby mode with wake-up via the bus
Low electromagnetic emission (EME): common-mode choke is no longer required
Differential receiver with wide common-mode range (+/- 35V) for high EMS
Voltage source via VSPLIT pin for stabilizing the recessive bus level (further EMC improvement)
No disturbance of the bus lines with an un-powered node
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Bus pins protected against transients
Power down mode in which the transmitter is disabled
Bus and VSPLIT pins short circuit proof to supply voltage and ground
Logic level inputs compatible with 3.3V devices
At least 110 nodes can be connected to the same bus
3.0 Ordering Information
Table 1: Ordering Information
Ordering Code (Tubes)
0ICAA-001-XTD
Ordering Code (Tape)
0ICAA-001-XTP
Marketing Name
AMIS 42675AGA
Package
SOIC-8 GREEN
Temp. Range
-40°C…125°C
AMI Semiconductor –October 07, Rev. 1.0
www.amis.com
Specifications subject to change without notice
1




AMI SEMICONDUCTOR

AMIS-42675 Datasheet Preview

AMIS-42675 Datasheet

High-Speed Low Power CAN Transceiver

No Preview Available !

AMIS-42675 High-Speed Low Power CAN Transceiver
For Long Networks
Data Sheet
4.0 Technical Characteristics
Table 2: Technical Characteristics
Symbol
VCC
VSTB
VTxD
VRxD
VCANH
VCANL
VSPLIT
VO(dif)(bus_dom)
CM-range
Parameter
Power supply voltage
DC voltage at pin STB
DC voltage at pin TxD
DC voltage at pin RxD
DC voltage at pin CANH
DC voltage at pin CANL
DC voltage at pin VSPLIT
Differential bus output voltage in dominant state
Input common-mode range for comparator
VCM-peak
Common-mode peak
Cload
Load capacitance on IC outputs
tpd(rec-dom)
Propagation delay TxD to RxD
t pd(dom-rec)
Propagation delay TxD to RxD
VCM-step
Common-mode step
Tjunc Junction temperature
Note: The parameters VCM-peak and VCM-step guarantee low EME.
Conditions
0 < VCC < 5.25V; no time limit
0 < VCC < 5.25V; no time limit
0 < VCC < 5.25V; no time limit
42.5< RLT < 60
Guaranteed differential receiver threshold and
leakage current
Note
Min.
4.75
-0.3
-0.3
-0.3
-35
-35
-35
1.5
-35
-500
See Figure 5
See Figure 5
Note
70
100
-150
-40
Max.
5.25
VCC
VCC
VCC
+35
+35
+35
3
+35
500
15
230
245
150
150
Unit
V
V
V
V
V
V
V
V
V
mV
pF
ns
ns
mV
°C
5.0 Block Diagram
www.DataSheet4U.com
VCC AMIS- 42675
POR
TxD
1
VCC
Thermal
shutdown
STB 8
Mode &
wake -up
control
Driver
control
VCC
3
VCC
VSPLIT
7 CANH
5 VSPLIT
6 CANL
RxD 4
GND 2
Wake - up
Filter
COMP
COMP
Figure 1: Block Diagram
PC20071005.2
AMI Semiconductor –October 07, Rev. 1.0
www.amis.com
Specifications subject to change without notice
2


Part Number AMIS-42675
Description High-Speed Low Power CAN Transceiver
Maker AMI SEMICONDUCTOR
PDF Download

AMIS-42675 Datasheet PDF






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