SN65HVD08D
RS-485 transceivers for differential signaling in 3.3/5V systems
Manufacturer： ['rochester', 'ti']
series introduction
# SN65HVD08D Product Series Introduction
## 1. Overview
The SN65HVD08D is a remarkable product series that belongs to the realm of high - speed CAN (Controller Area Network) transceivers. CAN is a widely used communication protocol in various industries, especially in automotive, industrial automation, and aerospace, due to its robustness, reliability, and high - speed data transfer capabilities. The SN65HVD08D series is designed to interface the CAN protocol controller with the physical bus, enabling seamless communication between different nodes in a CAN network.
## 2. Key Features
### 2.1 High - Speed Performance
- The SN65HVD08D is capable of supporting high - speed data transmission rates up to 1 Mbps. This high - speed operation makes it suitable for applications where real - time data transfer is crucial, such as in automotive engine control units (ECUs) where quick and accurate communication between different sensors and actuators is required.
- It ensures that data can be transmitted and received rapidly, reducing latency in the network and enabling efficient system operation.
### 2.2 Low Power Consumption
- In today's energy - conscious world, power efficiency is a top priority. The SN65HVD08D series is designed with low power consumption in mind. It has a low quiescent current, which means that it consumes minimal power when in standby or idle mode.
- This feature is particularly beneficial in battery - powered applications, such as portable industrial monitoring devices or electric vehicles, where reducing power consumption can extend the battery life and improve the overall system efficiency.
### 2.3 Robustness and ESD Protection
- The transceivers in the SN65HVD08D series are built to withstand harsh electrical environments. They offer excellent electrostatic discharge (ESD) protection, which helps prevent damage to the device from static electricity.
- Additionally, they are designed to handle high - voltage transients and electromagnetic interference (EMI). This robustness makes them suitable for use in industrial environments where electrical noise and interference are common, as well as in automotive applications where the electrical system can be subject to various electrical disturbances.
### 2.4 Wide Operating Temperature Range
- The SN65HVD08D series can operate over a wide temperature range, typically from - 40°C to + 125°C. This wide temperature tolerance allows it to be used in a variety of environments, from extremely cold outdoor industrial settings to the high - temperature under - hood environment in automotive applications.
- It ensures reliable performance even in the most challenging temperature conditions, making it a versatile choice for different industries.
## 3. Functional Block Diagram and Working Principle
### 3.1 Functional Block Diagram
The SN65HVD08D consists of several key functional blocks, including a transmitter, a receiver, a power supply management block, and a bus interface. The transmitter takes the digital data from the CAN protocol controller and converts it into differential signals suitable for transmission over the CAN bus. The receiver, on the other hand, receives the differential signals from the bus and converts them back into digital data for the CAN controller.
### 3.2 Working Principle
When the CAN controller sends data, the transmitter in the SN65HVD08D modulates the data onto the differential bus lines (CAN_H and CAN_L). The differential signaling helps to reduce the effects of electromagnetic interference and noise on the bus. On the receiving end, the receiver detects the differential voltage between the CAN_H and CAN_L lines and decodes the data back into a digital format that can be processed by the CAN controller.
## 4. Applications
### 4.1 Automotive Industry
- In automotive applications, the SN65HVD08D is used in a
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