The ISO1050 is a galvanically isolated CAN transceiver by Texas Instruments (USA) that meets the specifications of ISO 11898-2. The transceiver is characterized for operation over the ambient temperature range of -55 °C to 105 °C.
AS A CAN TRANSCEIVER, THE DEVICE PROVIDES differential transmit capability to the network and differential receive capability to a CAN controller at signaling rates up to 1 Mbit/s. Designed for operation in especially harsh environments, the device features cross-wire, overvoltage and loss of ground protection from –27 V to 40 V and over-temperature shut-down, as well as –12 V to 12 V common-mode range. It’s I/O voltage range supports 3,3 V- and 5 V-microprocessors.
The CAN network has two states during operation: dominant and recessive. A dominant network state, equivalent to logic low, occurs when the network is driven differentially by a driver. A recessive network state is when the network is biased to a common mode of VCC / 2 via the high-resistance internal input resistors of the receiver, equivalent to a logic high. The host microprocessor of the CAN node will use the TXD pin to drive the network and will receive data from the network on the RXD pin.
|Normal & silent mode|
|Bus states (physical bit representation)|
Possible applications include industrial automation, control, sensors and drive systems, building and climate control automation, security systems, and CAN networks, such as CANopen, DeviceNet, NMEA2000, and ARINC825.
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