SN65MLVD040RGZT

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The SN65MLVD040RGZT is a quad high-speed differential line transceiver which is suitable for a variety of applications. It is used to match the balanced line impedance of bus lines and can accommodate data rates up to 5.6 Gbps. The SN65MLVD040RGZT is designed to comply with multiple standards such as TIA/EIA–485, ISO 8482, MIL–STD–1553 and more. It is also compliant with TIA/EIA–422–B and ISO 11898–2, making it a suitable choice for data transmission in both small and large networks.

As an interface device with four differential line transceivers, the SN65MLVD040RGZT offers the following applications and functions.

Application Field

• Automotive network
• Industrial automation
• Serial communications
• High-speed data transmission
• Multi-point networks

Working Principle

The transceivers of the SN65MLVD040RGZT are designed to match the balanced line impedances of the bus lines. With a maximum data rate of 5.6Gbps, it enables users to achieve quick and reliable data transmission. The device is also power efficient, drawing a maximum of 20mA current at 5V and using a standby current of 1mA while in power-down mode.

Data is transmitted differentially between the four 30-Ohm transceiver lines. The user can configure the four transceivers to act in a half-duplex or full-duplex mode. Full-duplex mode allows for communication in both directions simultaneously, while half-duplex is a one way form of communication. In half-duplex mode, two lines are used for transmission and two lines are used for receiving data.

The output levels of the four transceivers can be configured. The driver output levels can be programmed to either one of three levels, in order to allow for compatibility with different types of systems. The receiver inputs can be programmed for two types of receive thresholds. The receiver thresholds can be adjusted to match the open-circuit voltage of the driving transceiver.

The SN65MLVD040RGZT provides user-friendly features such as fail-safe function, allowing the receiver to output a predefined logic level if the receiver is disabled or the open-circuit voltage is higher than the programmed threshold. The fail-safe function helps reduce the risk of data corruption and improves connection reliability.

The SN65MLVD040RGZT also features protection features such as low-power shutdown, under-voltage lockout, thermal protection and current limit. These features enable the device to operate safely and reliably in a variety of applications.

Overall, the SN65MLVD040RGZT provides a cost-effective solution for high-speed data transmission. Its wide variety of features and configurations make it an ideal choice for both small and large networks.

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