SN65HVD11D
3.3V RS-485 differential transceivers in 8-pin SOIC format
Manufacturer： ti
series introduction
# SN65HVD11D Product Series Introduction
## 1. Overview
The SN65HVD11D 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, known for its robustness, reliability, and high - speed data transfer capabilities. The SN65HVD11D 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 SN65HVD11D is capable of supporting data rates up to 1 Mbps. This high - speed data transfer makes it suitable for applications where real - time data communication is crucial, such as in automotive control systems, industrial automation, and robotics. For example, in an automotive engine control unit (ECU), the high - speed data transfer allows for quick and accurate communication between different sensors and actuators, ensuring optimal engine performance.
### 2.2 Low Power Consumption
- It features low power consumption characteristics, which is highly beneficial for battery - powered applications. In portable industrial monitoring devices or electric vehicles, minimizing power consumption helps to extend the battery life. The transceiver has a low - power standby mode, where it consumes minimal current when not actively transmitting or receiving data, further enhancing its energy efficiency.
### 2.3 Robustness and ESD Protection
- The SN65HVD11D is designed to withstand harsh electrical environments. It offers excellent electrostatic discharge (ESD) protection, withstanding up to ±8 kV contact discharge and ±15 kV air discharge according to the IEC 61000 - 4 - 2 standard. This protection ensures the reliability of the transceiver in applications where it may be exposed to static electricity, such as in consumer electronics or industrial settings with high - voltage equipment.
### 2.4 Fault Protection
- It includes various fault protection mechanisms. For instance, it has over - current protection on the bus pins, which prevents damage to the transceiver in case of a short - circuit on the CAN bus. Additionally, it has thermal shutdown protection. When the temperature of the device exceeds a certain threshold, the thermal shutdown feature activates, turning off the transceiver to prevent overheating and potential damage.
## 3. Functional Block Diagram and Working Principle
### 3.1 Block Diagram
The SN65HVD11D consists of several key functional blocks. At the input side, it has a receiver input stage that interfaces with the CAN protocol controller. This stage is responsible for receiving digital signals from the controller and converting them into appropriate electrical signals for transmission on the CAN bus.
The output stage is designed to drive the CAN bus. It takes the processed signals and amplifies them to the appropriate voltage levels required for reliable communication on the bus. There is also a control logic block that manages the overall operation of the transceiver, including the transition between different operating modes (such as normal mode, standby mode, etc.).
### 3.2 Working Principle
When the CAN protocol controller sends a data frame, the SN65HVD11D receives the digital data at its input. The receiver input stage processes this data and prepares it for transmission. The output stage then drives the CAN bus with the appropriate differential signals. On the receiving end, the transceiver detects the differential signals on the CAN bus, converts them back into digital signals, and sends them to the CAN protocol controller.
## 4. Application Areas
### 4.1 Automotive Industry
- In automotive applications, the SN65HVD11D is used in a wide range of systems. It is employed in the in - vehicle network (IVN) for communication between different ECUs,
Images for reference
8-SOIC
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