SN65HVD73DGSR

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The SN65HVD73DGSR is a differential bus transceiver suitable for use in applications where high data rates are employed and noise immunity of the data signal is desired. The SN65HVD73DGSR is designed to support data transmission over twisted-pair cables. This device is a high-speed, differential bus transceiver that meets the requirements of IEEE Std. 802.3 for 10 Mb/s Ethernet networks.

Application Field

The SN65HVD73DGSR can be used in all kinds of different applications, most notably automotive and communication applications, where high data rates, noise immunity and small board space is desired. It can be used in a variety of applications such as automotive industrial networks like LIN and FlexRay and high-speed Ethernet networks.

It is especially useful as a LIN transceiver, where it is better than using general-purpose CAN transceivers to bridge between CAN and LIN. This transceiver can reliably transmit data at various baud rates, while providing better electrical characteristics than general-purpose CAN transceivers.

Working Principle

The SN65HVD73DGSR has a differential transmission line and receiver which can carry the differential data signals between connected devices. It also has an integrated fault detection feature to detect open or short circuit cases that may occur due to defective cables.

The differential bus transceiver operates with complementary logic signals. A low data signal is sent from the transmitter, a high data signal from the receiver. The receiver retrieves data from the differential inputs and forwards it to the transmitter by driving both the complementary drivers in the opposite state to each other.

The device has an input voltage range of 3 - 12V and an operating supply voltage range of 4 - 10V. It is capable of operating data rates up to 10 Mb/s with a very low jitter. It is compatible with the SAE J1850 bus protocols.

The SN65HVD73DGSR integrates an under-voltage lockout (UVLO) function which is used to detect and shutdown the transceiver when an input voltage below 3.3V is detected. The UVLO also helps protect the transceiver from damage. Another built-in feature is the temperature warning, which is used to detect when the die temperature is too high, and to protect the transceiver from damage resulting from over-temperature.

Overall, the SN65HVD73DGSR can be used in automotive and communication applications to provide high data rates, noise immunity and small board space. It is especially useful as a LIN transceiver as it is more reliable and provides better electrical characteristics than general-purpose CAN transceivers.

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