High speed CAN transceiver
INTEGRATED CIRCUITS
DATA SHEET
TJA1050 High speed CAN transceiver
Product specification Supersedes data of 2002 May 16
...
Description
INTEGRATED CIRCUITS
DATA SHEET
TJA1050 High speed CAN transceiver
Product specification Supersedes data of 2002 May 16
2003 Oct 22
Philips Semiconductors
High speed CAN transceiver
Product specification
TJA1050
FEATURES
Fully compatible with the “ISO 11898” standard High speed (up to 1 Mbaud) Very low ElectroMagnetic Emission (EME) Differential receiver with wide common-mode range for
high ElectroMagnetic Immunity (EMI) An unpowered node does not disturb the bus lines Transmit Data (TXD) dominant time-out function Silent mode in which the transmitter is disabled Bus pins protected against transients in an automotive
environment Input levels compatible with 3.3 V and 5 V devices Thermally protected Short-circuit proof to battery and to ground At least 110 nodes can be connected.
GENERAL DESCRIPTION
The TJA1050 is the interface between the Controller Area Network (CAN) protocol controller and the physical bus. The device provides differential transmit capability to the bus and differential receive capability to the CAN controller.
The TJA1050 is the third Philips high-speed CAN transceiver after the PCA82C250 and the PCA82C251. The most important differences are:
Much lower electromagnetic emission due to optimal matching of the output signals CANH and CANL
Improved behaviour in case of an unpowered node No standby mode.
This makes the TJA1050 eminently suitable for use in nodes that are in a power-down situation in partially powered networks....
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