SN65HVD82D

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Transceiver
Protocol:	RS422, RS485
Number of Drivers/Receivers:	1/1
Duplex:	Half
Receiver Hysteresis:	60mV
Data Rate:	250kbps
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	SN65HVD82

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Introduction

The SN65HVD82D is a half-duplex differential bus transceiver designed specifically for high-speed data communication in noisy industrial environments. It is capable of transmitting and receiving differential data in either single or dual-channel mode. The SN65HVD82D supports common-mode operation up to 5.5V, and it is suitable for bi-directional communication in applications such as industrial fieldbuses, networks, and motor control systems, as well as other applications requiring high-speed communication in noisy environments.

Application Field

The SN65HVD82D has a wide variety of applications, due to its high-speed differential data communication capability, common-mode voltage support up to 5.5V, and its low power consumption. The SN65HVD82D is commonly used in industrial fieldbuses and networks. It is typically used in extended-distance networks where high data rates, long signal propagation time, noisy environments and/or low voltage levels typically occur. These applications include, but are not limited to, industrial fieldbuses, networks, motion control systems, power distribution systems, and factory/process automation. In addition, the SN65HVD82D is suitable for use in motor control systems because of its fast switching capability and its ability to support multiple devices in a single bus. It is commonly used in stepper motor and AC/DC motor applications.The SN65HVD82D is also often used in signal transmission systems, such as factory audio/video systems and distributed audio systems. It is ideally suited for point-to-point communication, as it can provide a low-cost, Robust link between two points. Lastly, the SN65HVD82D has applications in consumer electronics, including hard drives, disk drives, DVDs, camcorders, monitors, printers, and video game consoles.

Working Principle

The SN65HVD82D features two integrated differential receiver and driver pairs, allowing bidirectional communication within a single device. Each differential pair consists of two logic-level inputs and two complementary differential outputs, with the receiver and driver combined on a single input terminal, eliminating the need for extra logic gates. The SN65HVD82D also features a low-power shutdown mode, in which the differential inputs and outputs are disabled, and the device draws very low current.The SN65HVD82D offers several key features that make it suitable for use in noisy industrial environments. First, it supports common-mode operation up to 5.5V, allowing signals to be transmitted across long distances and providing exceptional noise immunity. Second, its low power consumption, coupled with its high speed, make it highly energy efficient. The SN65HVD82D also provides excellent ESD protection. It is rated for up to 4 kV H(Human Body Mode) and 15 kV contact discharge, making it highly resistant to electrostatic discharge. Additionally, the SN65HVD82D features two independent control pins (EN1 and EN2) which allow users to enable or disable each receiver/driver pair individually. This ensures that only the necessary components are in operation at any point in time, reducing power consumption and prolonging the life of the device. Overall, the SN65HVD82D provides a robust, low-cost solution for high-speed data communication in noisy industrial environments. Its features, including its low power consumption, common-mode operation up to 5.5V, and its ESD protection, make it an ideal choice for applications such as industrial fieldbuses, networks, motor control systems, and signal transmission systems.

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