SN65HVD31DR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Transceiver
Protocol:	RS422, RS485
Number of Drivers/Receivers:	1/1
Duplex:	Full
Receiver Hysteresis:	50mV
Data Rate:	5Mbps
Voltage - Supply:	3 V ~ 3.6 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:	SN65HVD31

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Overview

The SN65HVD31DR is a high-speed transceiver with a half-duplex operation, allowing data to be transmitted and received simultaneously. It is widely used in telecommunications and industrial applications. The device is simple to use with minimal design complexity, allowing for straightforward implementation in a variety of applications.

Features

The SN65HVD31DR is an open-collector transceiver, providing the benefits of both driver and receiver functionality in a single package. It is capable of transmitting data up to a rate of 50 Mbps, depending on the environment. The device also features a slew rate control, which prevents data corruption during high-speed transmission.The SN65HVD31DR features 3.3V CMOS logic levels, allowing direct connection to a microcontroller. The device also incorporates data scrambling, which enhances EMI reduction. Furthermore, the device features built-in short-circuit protection, allowing it to remain operational despite short-circuit conditions.The device is designed with a wide temperature range, allowing it to be used in environments with wide temperature variations. Additionally, the device\'s low power requirements allow for it to be used in battery-powered or portable applications.

Application Field

The SN65HVD31DR is typically used in high-speed applications such as digital TV, cable modems, and Gigabit Ethernet. It can also be used in industrial applications such as high-speed data acquisition or for automated processes. Furthermore, the device has the versatility to be used in consumer applications, such as portable data storage or digital audio.

Working Principle

The SN65HVD31DR works by using two separate pins to both drive and receive data. When the driver output is enabled, the device transmits data by pulling the data-signal low. When the receiver is active, the device pulls the output to a high state in order to receive data. This process is referred to as a “half-duplex” operation.The SN65HVD31DR also utilizes data scrambling during transmission. Data scrambling adds a random “noise” to the data stream, which reduces EMI radiation. Additionally, the device features a slew rate control to limit the speed at which the data is transmitted, preventing data errors.

Conclusion

The SN65HVD31DR is a high-speed transceiver, allowing data to be both transmitted and received simultaneously. It is used for a variety of applications, ranging from digital TV to industrial automation. The device incorporates various features, such as data scrambling and slew rate control, which ensure reliable operation and low EMI.

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