AMIS42770ICAW1RG ON Semiconductor, AMIS42770ICAW1RG Datasheet

TRANSCEIVER CAN DUAL HS 20-SOIC

AMIS42770ICAW1RG

Manufacturer Part Number
AMIS42770ICAW1RG
Description
TRANSCEIVER CAN DUAL HS 20-SOIC
Manufacturer
ON Semiconductor
Type
Transceiverr
Datasheet

Specifications of AMIS42770ICAW1RG

Number Of Drivers/receivers
2/2
Protocol
CAN
Voltage - Supply
4.75 V ~ 5.25 V
Mounting Type
Surface Mount
Package / Case
20-SOIC (7.5mm Width)
Operating Supply Voltage
5.25 V
Supply Current
45 mA
Operating Temperature Range
- 40 C to + 125 C
Mounting Style
SMD/SMT
Product
CAN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
766-1010-2

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Part Number:
AMIS42770ICAW1RG
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AMIS-42770
Dual High Speed CAN
Transceiver
General Description
which supports distributed real−time control and multiplexing with high
safety level. Typical applications of CAN−based networks can be found
in automotive and industrial environments.
up to two physical bus lines and the protocol controller and will be
used for serial data interchange between different electronic units at
more than one bus line. It can be used for both 12 V and 24 V systems.
the AMIS−42770 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.
Key Features
*For additional information on our Pb−Free strategy and soldering details, please
© Semiconductor Components Industries, LLC, 2009
January, 2009 − Rev. 3
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
Controller Area Network (CAN) is a serial communication protocol,
The AMIS−42770 Dual−CAN transceiver is the interface between
The circuit consists of following blocks:
Due to the wide common−mode voltage range of the receiver inputs,
Function of the Bus Topology)
Applications
High EMS
Speeds Down to 1 kbit/s
Two differential line transmitters
Two differential line receivers
Interface to the CAN protocol handler
Interface to expand the number of CAN busses
Logic block including repeater function and the feedback suppression
Thermal shutdown circuit (TSD)
Fully Compatible with the ISO 11898−2 Standard
Certified “Authentication on CAN Transceiver Conformance (d1.1)”
Wide Range of Bus Communication Speed (up to 1 Mbit/s in
Allows Low Transmit Data Rate in Networks Exceeding 1 km
Ideally Suited for 12 V and 24 V Industrial and Automotive
Low EME: Common−mode−choke is No Longer Required
Differential Receiver with Wide Common−mode Range (±35 V) for
No Disturbance of the Bus Lines with an Un−powered Node
Prolonged Dominant Time−out Function Allowing Communication
Thermal Protection
Bus Pins Protected against Transients
Short Circuit Proof to Supply Voltage and Ground
This is a Pb−Free Device*
1
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
ORDERING INFORMATION
http://onsemi.com
CASE 751AQ
IC SUFFIX
SOIC 20
Publication Order Number:
AMIS−42770/D

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AMIS42770ICAW1RG Summary of contents

Page 1

... Short Circuit Proof to Supply Voltage and Ground • This is a Pb−Free Device* *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 http://onsemi ...

Page 2

... ORDERING INFORMATION Part Number AMIS42770ICAW1G SOIC−20 300 GREEN AMIS42770ICAW1RG SOIC−20 300 GREEN Table 1. TECHNICAL CHARACTERISTICS Symbol Parameter V DC voltage at pin CANH1/2 CANHx V DC voltage at pin CANL1/2 CANLx V Differential bus output voltage in dominant state o(dif)(bus_dom) CM−range Input common−mode range for comparator V Common− ...

Page 3

TYPICAL APPLICATION Application Description AMIS−42770 is especially designed to provide the link between a CAN controller (protocol IC) and two physical busses able to operate in three different modes: • Dual CAN • A CAN−bus extender • A ...

Page 4

VBAT 5 V−reg C D 100 nF VCC EN1 EN2 Rx0 mC Tx0 CAN Text controller Rint GND Dual OptoCoupler Figure 4. Application Diagram CAN−bus Extender Vref1 C D 100 nF VCC Vref CANH1 CANL1 ...

Page 5

Table 2. PIN DESCRIPTION Pin Name ENB2 3 Text 4 Tx0 5 GND 6 GND 7 Rx0 8 V REF1 9 Rint 10 ENB1 VCC 13 CANH1 14 CANL1 15 GND 16 GND 17 ...

Page 6

Transmitters The transceiver includes two transmitters, one for each bus line, and a driver control circuit. Each transmitter is implemented as a push and a pull driver. The drivers will be active if the transmission of a dominant bit is ...

Page 7

Feedback Suppression The logic unit described in Table 3 constantly ensures that dominant symbols on one bus line are transmitted to the other bus line without imposing any priority on either of the lines. This feature would lead to an ...

Page 8

Table 5. THERMAL CHARACTERISTICS Symbol R Thermal resistance from junction to ambient in SO20 package th(vj−a) R Thermal resistance from junction to substrate of bare die th(vj−s) DC CHARACTERISTICS Table 6. DC AND TIMING CHARACTERISTICS (V = 4.75 to 5.25 ...

Page 9

Table 6. DC AND TIMING CHARACTERISTICS (V = 4. −40 to +150° junc Symbol Parameter BUS LINES (pins CANH1/2 and CANL1/2) V Differential receiver threshold i(dif)(th) voltage V Differential receiver threshold ihcm(dif) (th) ...

Page 10

Measurement Set−ups and Definitions Schematics are given for single CAN transceiver. +5V Text Rint Tx0 Rx0 Figure 6. Test Circuit for Automotive Transients V RxD +5 V Text Rint Tx0 Rx0 Figure 8. Test Circuit for Timing Characteristics 100 nF ...

Page 11

Tx0 Text 0 0 CANHx−BUS V CANHx V CANLx V = DIFF CANHx − V CANLx 0 Rx0 Rint 0 d(Tx−Rx) d(Tx−Rx d(Tx−BUSoff) d(Tx−BUSon) ...

Page 12

... CANHx CANLx CANHx CANLx V CM−peak Figure 11. Common−mode Voltage Peaks (see Measurement Set−up Figure 10) Company or Product Inquiries For more information about ON Semiconductor’s products or services visit our Web site at http://www.onsemi.com. V CM−peak http://onsemi.com 12 recessive V CM−peak ...

Page 13

... Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303− ...

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