AMIS-30660 American Microsystems, Inc., AMIS-30660 Datasheet

AMIS-30660

Manufacturer Part Number

AMIS-30660

Description

CAN High Speed Transceiver

Manufacturer

American Microsystems, Inc.

Datasheet

1.AMIS-30660.pdf (2 pages)

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Note : The parameters VCM-peak and VCM-step guarantee low electromagnetic emission.

AMIS-30660 High-Speed CAN Transceiver

Product Description

The AMIS-30660 CAN transceiver is the interface

between a Controller Area Network (CAN) protocol

controller and the physical bus and 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-30660 is able to reach

outstanding levels of electromagnetic susceptibility.

Similarly, extremely low electromagnetic emission is

achieved by the excellent matching of the output

signals.

The transceiver is primarily intended for high-speed

automotive applications using baud rates up to 1

Mbaud. It provides differential transmit capability to

the bus and differential receiver capability to the

Important Characteristics

AMI Semiconductor

Key Features

• Fully compatible with the “ISO 11898” standard

• Certified “Authentication on CAN Transceiver

• High speed (up to 1 Mbaud)

• Suitable for 12V and 24V applications

• Low Electromagnetic Emission (EME) common-

• Differential receiver with wide common-mode

• No disturbance of the bus lines with an

• Transmit Data (TXD) dominant time-out function

• Thermal protection

• Bus pins protected against transients in an

• Power down mode in which the transmitter is

• Input levels compatible with 3.3 V devices

• Short-circuit proof to supply voltage & ground

Symbol

Vi(dif)(bus_dom) Differential bus input voltage

Tpd(rec-dom)

& Tpd(dom-rec)

CM-range

CANH

CANL

CM-peak

CM-step

Conformance (d1.1)”

mode-choke is no longer required

range for high Electro Magnetic Susceptibility

(EMS) (+/- 35V)

unpowered node

automotive environment

disabled

Parameter

DC voltage at pin CANH

DC voltage at pin CANL

Propagation delay TxD to RxD See Datasheet

Input common-mode range

for comparator

Common-mode peak

Common-mode step

Conditions

0<VCC<5.25 V; no time limit

Dominant 42.5 Ω <RLT<60 Ω

Guaranteed differential receiver

threshold and leakage current -35

See Datasheet

CAN protocol controller.

A current-limiting circuit protects 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 if the

junction temperature exceeds 160 °C. All other IC

functions continue to operate. The thermal

protection circuit is particularly needed when a bus

line short-circuits. The pins CANH and CANL are

protected from automotive electrical transients .

Control pin S allows two operating modes to be

selected: high-speed mode or silent mode.In the

silent mode, the transmitter is disabled. All other IC

functions continue to operate.

-500

-150

Min

-45

1.5

Max

+45

+35

245

500

150

Unit

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