SN65HVD05D
High-output RS-485 transceivers in 8-pin SOIC for communication interfaces
Manufacturer： ['analog-devices', 'ti']
series introduction
# SN65HVD05D Product Series Introduction
## 1. Overview
The SN65HVD05D product series is a high - performance family of transceiver integrated circuits designed specifically for Controller Area Network (CAN) applications. CAN is a widely used communication protocol in automotive, industrial automation, and other fields due to its robustness, reliability, and high - speed data transfer capabilities. The SN65HVD05D series plays a crucial role in enabling CAN communication by providing the necessary interface between the CAN protocol controller and the physical bus.
## 2. Key Features
### 2.1 High - Speed Communication
- The SN65HVD05D supports data transfer rates of up to 1 Mbps, which allows for rapid and efficient communication between nodes on the CAN bus. This high - speed capability is essential for applications where real - time data exchange is required, such as in automotive engine control systems or industrial robotics.
### 2.2 Low Power Consumption
- These transceivers are designed with power efficiency in mind. They have a low quiescent current, which helps to reduce overall power consumption in the system. This is particularly important in battery - powered applications or in systems where energy conservation is a priority, such as in portable industrial monitoring devices.
### 2.3 Robustness and EMC Performance
- The SN65HVD05D series offers excellent electromagnetic compatibility (EMC) performance. It has built - in protection against electrostatic discharge (ESD), electrical fast transients (EFT), and other forms of electrical interference. This makes the transceivers highly reliable in harsh electrical environments, such as those found in automotive engine compartments or industrial factories.
### 2.4 Wide Supply Voltage Range
- The transceivers can operate over a wide supply voltage range, typically from 4.5 V to 5.5 V. This flexibility allows them to be easily integrated into different power supply systems, providing compatibility with a variety of microcontrollers and other components in the CAN network.
### 2.5 Fault Protection
- They are equipped with various fault protection features. For example, they have short - circuit protection on the bus pins, which prevents damage to the transceiver in case of a short - circuit on the CAN bus. Additionally, they can detect over - voltage and under - voltage conditions and take appropriate measures to protect the device and the overall system.
## 3. Functional Block Diagram and Working Principle
### 3.1 Block Diagram
The SN65HVD05D consists of several key functional blocks, including a transmitter, a receiver, a bus interface, and a power management unit. The transmitter takes the digital data from the CAN protocol controller and converts it into differential signals suitable for transmission on 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 controller. The bus interface provides the physical connection to the CAN bus, while the power management unit ensures stable power supply to all the internal components.
### 3.2 Working Principle
When the CAN protocol controller wants to send data, it sends a digital signal to the transmitter of the SN65HVD05D. The transmitter then modulates this signal into a differential voltage signal and sends it out onto the CAN bus. On the receiving end, the receiver of the SN65HVD05D detects the differential voltage signals on the bus, amplifies them, and converts them back into digital signals that can be processed by the CAN protocol controller.
## 4. Applications
### 4.1 Automotive Industry
- In automotive applications, the SN65HVD05D is used in various systems such as engine control units (ECUs), anti - lock braking systems (ABS), and body control modules. It enables reliable communication between
Images for reference
8-SOIC
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