SN65HVD1781QDRQ1

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The SN65HVD1781QDRQ1 is part of Texas Instrument\'s High-Speed CAN transceivers. CAN (Controller Area Network) is a serial communication protocol used in the automotive industry and a range of other industries which has the primary purpose of providing reliable data communication between devices and enabling effective control over a network. The SN65HVD1781QDRQ1 is a high speed CAN physical layer (PHY) transceiver designed to operate with the ISO 11898-2 standard, which is the general standard for data communication in the automotive industry.

The SN65HVD1781QDRQ1 is mainly used in the automotive industry to enable communication and control between different onboard electronic systems. This includes communication between body electronic modules, powertrain electronic modules, and electronic control units. The ability to control multiple module functions with a single-chip provides superior system cost efficiency and performance. It is also commonly used in industries such as industrial automation, machine-to-machine communications, medical instrumentation, and consumer electronics.

The SN65HVD1781QDRQ1 provides superior communication performance for high-speed CAN network nodes. It is designed to meet stringent automotive electric requirements, including high-voltage transient protection, high-speed data rates up to 1 megabit per second (Mbps) and low power consumption. It is an externally powered device and provides an active-high SLEEP_N pin to indicate the device is in standby (low-power) mode.

The SN65HVD1781QDRQ1 follows the ISO11898-2/-4 standard which requires a dominant (1) level during the start of the transmission, successive recessive (0) levels during the data and identification phase. To ensure the signal paths operate with optimal performance and are safely isolated, the device provides differential transmit and receive buses isolated by integrated galvanic isolation.

At the heart of the SN65HVD1781QDRQ1 is its transceiver, which is comprised of a differential driver and a differential receiver. The driver accepts a differential input voltage, converts it to a single-ended signal and transmits it for receiving by the other node. The differential receiver accepts the differential signal from the other node, converts it to a single-ended signal, and transmits it back to the other node. The SN65HVD1781QDRQ1’s high-impedance inputs and its ability to reduce electromagnetic interference (EMI) are its distinguishing features.

The SN65HVD1781QDRQ1’s integrated protection circuitry was designed to protect the transceiver against over-voltage, under-voltage, and current overload, while its integrated common-mode glitch filter reduces EMI. To ensure minimal power consumption, the devices are integration programmable low-power modes. These features provide system designers with the ability to implement high speed CAN-based control networks with superior signal integrity and applications.

In conclusion, the SN65HVD1781QDRQ1 is a high-speed CAN transceiver designed to meet the requirements of the automotive industry. Its integrated protection circuitry, integrated common-mode glitch filter, low-power modes and its ability to reduce EMI make it ideal for use in such applications as automotive body electronics, and systems, industrial automation, machine-to-machine communications, and consumer electronics.

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