TJA1050 High speed CAN transceiver
FEATURES
· Fully compatible with the ISO 11898 standard
· High speed (up to 1 Mbaud)
· Transmit Data (TXD) dominant time-out function
· Bus lines protected against transients in an automotive
environment
· Silent mode in which the transmitter is disabled
· Differential receiver with wide common-mode range for
high ElectroMagnetic Immunity (EMI)
· Input levels compatible with 3.3 V devices
· Thermally protected
· Short-circuit proof to battery and ground
· An unpowered node does not disturb the bus lines
· At least 110 nodes can be connected.
GENERAL DESCRIPTION
The TJA1050 is the interface between the 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 TJA1050T is the successor to the PCA82C250 high
speed CAN transceiver. The most important
improvements are:
· Much lower ElectroMagnetic Emission (EME) due to
optimal matching of the CANH and CANL output signals
· Improved behaviour in case of an unpowered node.
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