AMIS-42671

更新时间： 2024-11-29 03:18:43

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AMI		/
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描述
High-Speed CAN Transceiver

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AMIS-42671 数据手册

AMIS-42671 High-Speed CAN Transceiver

Data Sheet

For Long Networks

1.0 General Description

The AMIS-42671 CAN transceiver with autobaud 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. Due to the wide common-mode voltage range of the receiver inputs, the AMIS-

42671 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-42671 is primarily intended for industrial network 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-42671 allows low transmit data rates down 10 Kbit/s or lower. The autobaud function allows the CAN controller to determine the

incoming baud rate without influencing the CAN communication on the bus.

2.0 Key Features

• Fully compatible with the ISO 11898-2 standard

• Autobaud function

• 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 12V and 24V industrial and automotive applications

• Low electromagnetic emission (EME) common-mode choke is no longer required

• Differential receiver with wide common-mode range (+/- 35V) for high EMS

• No disturbance of the bus lines with an un-powered 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 3.3V devices

• ESD protection for CAN bus at ± 8 kV

3.0 Technical Characteristics

Table 1: Technical Characteristics

Symbol

V_CANH

V_CANL

V_{i(dif)(bus_dom)}

t_pd(rec-dom)

t_pd(dom-rec)

C_M-range

Parameter

DC voltage at pin CANH

DC voltage at pin CANL

Differential bus output voltage in dominant state

Propagation delay TxD to RxD

Input common-mode range for comparator

Conditions

0 < V_CC< 5.25V; no time limit

42.5Ω < R_LT< 60Ω

See Figure 8

Guaranteed differential receiver threshold and

leakage current

Min.

-45

1.5

Max.

+45

245

+35

Unit

100

-35

V_CM-peak

V_CM-step

Common-mode peak

Common-mode step

See Figure 9 and Figure 10 (Notes)

-500

-150

500

150

Note: The parameters V_CM-peakand V_CM-stepguarantee low electromagnetic emission.

4.0 Ordering Information

Ordering Code (Tubes)

Ordering Code (Tape)

Marketing Name

Package

Temp. Range

0ICAB-001-XTD

0ICAB-001-XTP

AMIS 42671AGA

SOIC-8 GREEN

-40°C…125°C

AMI Semiconductor – Oct. 07, Rev. 1.0

www.amis.com Specifications subject to change without notice

12 3 4 5 6 7...12

中文翻译

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与AMIS-42671相关器件

型号	品牌	获取价格	描述	数据表
AMIS-42671AGA	AMI	获取价格	High-Speed CAN Transceiver
AMIS42671ICAB1G	ONSEMI	获取价格	High Speed Autobaud CAN Transceiver
AMIS42671ICAB1RG	ONSEMI	获取价格	High Speed Autobaud CAN Transceiver
AMIS-42673	ONSEMI	获取价格	High-Speed 3.3 V Digital Interface CAN Transceiver
AMIS-42673	AMI	获取价格	High Speed CAN Transceiver
AMIS-42673AGA	AMI	获取价格	High Speed CAN Transceiver
AMIS42673ICAG1G	ONSEMI	获取价格	High-Speed 3.3 V Digital Interface CAN Transceiver
AMIS42673ICAG1RG	ONSEMI	获取价格	High-Speed 3.3 V Digital Interface CAN Transceiver
AMIS-42675	ONSEMI	获取价格	High Speed Low Power CAN Transceiver for Long Wire Networks
AMIS-42675	AMI	获取价格	High-Speed Low Power CAN Transceiver

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