Product category:
Communications ICs (Wired)
News Release from: AMI Semiconductor | Subject: AMIS-30663
Edited by the Electronicstalk Editorial
Team on 01 July 2004
CAN transceiver keeps it
electromagnetically quiet
A new high-speed CAN transceiver combines true 3.3 or 5.0V logic interfaces, excellent EMC performance, and a new environmentally friendly package.
A new high-speed CAN transceiver combines true 3.3 or 5.0V logic interfaces, excellent EMC performance, and a new environmentally friendly package The AMIS-30663 provides the interface between a CAN controller and the physical bus, and will simplify the design and reduce the component count of 12 and 24V automotive and industrial applications requiring CAN communication at rates up to 1Mbaud
This article was originally published on Electronicstalk on 26 Mar 2001 at 8.00am (UK)
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Fully compatible with the ISO11898-2 standard, the AMIS-30663 provides differential signalling capability to the CANbus via the transmit and receive pins of the CAN controller.
The IC provides designers with the option of 3.3 or 5V logic level interfaces, ensuring compatibility with both existing applications and emerging lower voltage designs.
Carefully matched output signals eliminate the need for a common-mode choke by minimising electromagnetic emissions, and the wide common-mode voltage range of the receiver inputs (135V) ensures high electromagnetic immunity.
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Designed to minimise the need for external components, the AMIS-30663 features a variety of built-in capabilities including a time-out function that prevents bus lines being driven to a permanent dominant state - a situation that can lead to the blocking of all network communication.
Built-in protection includes current-limiting circuitry to protect the transmitter output stage from damage caused by accidental short circuit to either positive or negative supply voltage.
A thermal protection circuit protects the IC from damage by switching off the transmitter when the junction temperature exceeds 160C.
The transceiver withstands all voltage transients associated with the automotive environment.
Discussing the launch of the AMIS-30663, Bob Klosterboer, Senior Vice President Integrated Mixed-Signal Products AMIS, comments: "Industrial and automotive OEMs are looking to simplify design, reduce component count and drive down costs".
"As a result, there are growing demands for peripheral ICs to operate with the same low voltage supplies used by modern microcontroller, memory and logic devices".
"By offering true 3.3 and 5.5V interface options, the AMIS-30663 CAN transceiver can work with existing applications while eliminating the need for the CAN controller to have a 5V-tolerant interface in lower voltage designs".
"In addition, the excellent EMC performance of the device, coupled with integrated protection functionality, will help designers to simplify circuit layout and reduce the number of components required to implement a complete solution".
Available now, the AMIS-30663 is supplied in AMI Semiconductor's SO-8 "green" package, and is priced at $0.73 for 5000 units.
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