TJA1051T/3,112

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TJA1051T/3,112 Application Field and Working Principle

The TJA1051T/3,112 is a flexible, multi-standard, differential bus transceiver with integrated termination resistors. The transceiver belongs to the family of driver, receiver, and transceiver interfaces and is suitable for applications such as Local Interconnect Network (LIN) applications. It is based on CAN (Controller Area Network) specifications.

Bus Transceiver Application

The device supports multiple serial bus types including CAN 2.0A, CAN 2.0B, J1850, UART, LIN 2.x and ISO9141-2. The TJA1051T/3,112 is an integrated differential line transceiver for bidirectional communication. It is designed to support low cost fast interconnect networks. The transceiver is fully compliant with ISO 11898-2, the CAN standard. The integrated polarization resistors eliminate the need for external components and increase the reliability of the network.

Working Principle

The TJA1051T/3,112 is an integrated silicon differential line transceiver. It consists of an integrated differential line driver, a differential line receiver, a control logic, and a supply voltage control interface. The line driver drives a current onto the data line in order to modify the line voltage and produce the output signal. The differential line receiver can receive an input signal from the line and de-codes it in order to restore the bit transmitted. The control logic provides the interface between the line driver and the local logic. The supply voltage control interface provides an adjustable supply voltage for the line transceiver.

The line transceiver has an integrated high quality digital filter which prevents interference from low-frequency noise. The transceiver also has a low power consumption with sleep mode operation. The transmit and receive delay times are programmable for different bit rates. The device features low power consumption and fast switching speed, allowing for low latency applications. In addition, the device features integrated voltage clamping for compliance with common electro-magnetic interference (EMI) requirements.

Conclusion

The TJA1051T/3,112 is an excellent choice for Local Interconnect Network (LIN) applications due to its flexibility and integrated termination resistors. The device can be used in multiple serial bus types, including CAN 2.0A, CAN 2.0B, J1850, UART, LIN 2.x and ISO9141-2. The device includes an integrated high quality digital filter and low power consumption with sleep mode operation. The integrated voltage clamping feature allows the device to be compliant with common EMI requirements.

The integrated line driver and differential line receiver provide reliable communication with built-in error detection. The adjustable supply voltage and programmable transmit and receive delay times enable the device to be well suited for low latency applications. This makes the TJA1051T/3,112 an excellent choice for high data transmission networks.

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