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PDF AMIS-42670 Data sheet ( Hoja de datos )
| Número de pieza | AMIS-42670 | |
| Descripción | High-Speed CAN Transceiver | |
| Fabricantes | ON Semiconductor | |
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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
www.DataSLheoentg4Uer.cRomequired
• 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*
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PIN ASSIGNMENT
TxD 1
GND 2
VCC 3
RxD 4
8S
7 CANH
6 CANL
5 VREF
PC20041204.3
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2009
January, 2009 − Rev. 3
1
Publication Order Number:
AMIS−42670/D
1 page  
AMIS−42670
ELECTRICAL CHARACTERISTICS
Definitions
All voltages are referenced to GND (Pin 2). Positive currents flow into the IC. Sinking current means the current is flowing
into the pin; sourcing current means the current is flowing out of the pin.
Table 6. DC CHARACTERISTICS VCC = 4.75 V to 5.25 V, TA = −40°C to +150°C; RLT = 60 W unless specified otherwise.
Symbol
Parameter
Conditions
Min Typ Max
SUPPLY (Pin VCC)
ICC Supply Current
TRANSMITTER DATA INPUT (Pin TxD)
Dominant; VTXD = 0V
Recessive; VTXD = VCC
25 45 65
248
VIH High−Level Input Voltage
Output Recessive
2.0 − VCC +
0.3
VIL Low−Level Input Voltage
IIH High−Level Input Current
IIL Low−Level Input Current
Ci Input Capacitance
MODE SELECT (Pin S)
Output Dominant
VTxD = VCC
VTxD = 0 V
Not Tested
−0.3
−1
−75
−
−
0
−200
5
+0.8
+1
−350
10
VIH High−Level Input Voltage
Silent Mode
2.0 − VCC +
0.3
VIL Low−Level Input Voltage
IIH High−Level Input Current
IIL Low−Level Input Current
RECEIVER DATA OUTPUT (Pin RxD)
High−Speed Mode
VS = 2 V
VS = 0.8 V
−0.3 − +0.8
20 30 50
15 30 45
VOH High−Level Output Voltage
VOL Low−Level Output Voltage
REFERENCE VOLTAGE OUTPUT (Pin VREF)
VREF
Reference Output Voltage
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Reference Output Voltage for Full Common
Mode Range
BUS LINES (Pins CANH and CANL)
IRXD = −10 mA
IRXD = 6 mA
0.6 x
VCC
0.75 x
VCC
0.25
0.45
−50 mA < IVREF < +50 mA
−35 V < VCANH < +35 V;
−35 V < VCANL < +35 V
0.45 x
VCC
0.40 x
VCC
0.50 x
VCC
0.50 x
VCC
0.55 x
VCC
0.60 x
VCC
Vo(reces)(CANH)
Vo(reces)(CANL)
Io(reces)(CANH)
Recessive Bus Voltage at Pin CANH
Recessive Bus Voltage at Pin CANL
Recessive Output Current at Pin CANH
Io(reces)(CANL)
Recessive Output Current at Pin CANL
Vo(dom)(CANH)
Vo(dom)(CANL)
Vo(dif)(bus)
Dominant Output Voltage at Pin CANH
Dominant Output Voltage at Pin CANL
Differential Bus Output Voltage
(VCANH − VCANL)
VTxD = VCC; No Load
VTxD = VCC; No Load
−35 V < VCANH < +35 V;
0 V < VCC < 5.25 V
−35 V <VCANL < +35 V;
0 V <VCC < 5.25 V
VTxD = 0 V
VTxD = 0 V
VTxD = 0 V; Dominant;
42.5 W < RLT < 60 W
VTxD = VCC; Recessive;
No Load
2.0 2.5 3.0
2.0 2.5 3.0
−2.5 − +2.5
−2.5 − +2.5
3.0 3.6 4.25
0. 5 1.4 1.75
1.5 2.25 3.0
−120
0
+50
Io(sc)(CANH)
Io(sc)(CANL)
Short Circuit Output Current at Pin CANH
Short Circuit Output Current at Pin CANL
VCANH = 0 V; VTxD = 0 V
−45 −70 −95
VCANL = 36 V; VTxD = 0 V
45
70 120
Unit
mA
V
V
mA
mA
pF
V
V
mA
mA
V
V
V
V
V
V
mA
mA
V
V
V
mV
mA
mA
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5
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| PDF Descargar | [ Datasheet AMIS-42670.PDF ] | |
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