SN75HVD12P

Product Overview

Category

The SN75HVD12P belongs to the category of integrated circuits (ICs) specifically designed for use in communication systems.

Use

This IC is commonly used as a transceiver in various communication protocols, including Controller Area Network (CAN) bus systems.

Characteristics

• The SN75HVD12P is a high-speed transceiver that supports data rates up to 1 Mbps.
• It operates with a wide supply voltage range of 3.3V to 5V, making it compatible with different systems.
• This transceiver features a low standby current consumption, making it energy-efficient.
• It provides excellent electromagnetic compatibility (EMC) performance, ensuring reliable data transmission in noisy environments.

Package

The SN75HVD12P is available in a small outline package (SOP) with eight pins. The package dimensions are 5mm x 4.4mm x 1.65mm.

Essence

The essence of the SN75HVD12P lies in its ability to facilitate bidirectional data transfer between a microcontroller and a CAN bus network.

Packaging/Quantity

The SN75HVD12P is typically sold in reels or tubes, containing a quantity of 250 units per package.

Specifications

• Supply Voltage: 3.3V to 5V
• Data Rate: Up to 1 Mbps
• Operating Temperature Range: -40°C to +85°C
• Standby Current: 370µA (typical)
• ESD Protection: ±16kV (Human Body Model)

Detailed Pin Configuration

The SN75HVD12P has the following pin configuration:

1. VCC - Power supply input
2. GND - Ground reference
3. CANH - CAN bus high-level input/output
4. CANL - CAN bus low-level input/output
5. RS - Receiver output enable
6. NC - No connection
7. VREF - Reference voltage output
8. TXD - Transmitter input

Functional Features

• Bidirectional data transmission between microcontroller and CAN bus network.
• Built-in protection against electrostatic discharge (ESD).
• Receiver output enable for power-saving mode.
• High noise immunity for reliable communication in harsh environments.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems.
• Low standby current consumption for energy efficiency.
• Excellent EMC performance ensures reliable data transmission.
• Compact package size enables space-saving designs.

Disadvantages

• Limited to a maximum data rate of 1 Mbps, which may not be suitable for high-speed applications.
• Lack of additional features such as integrated termination resistors.

Working Principles

The SN75HVD12P operates based on the principles of differential signaling. It uses the CAN protocol to transmit and receive data over a twisted pair of wires. The transceiver converts the digital signals from the microcontroller into differential voltages suitable for transmission on the CAN bus. It also receives differential signals from the bus and converts them back into digital signals for the microcontroller to process.

Detailed Application Field Plans

The SN75HVD12P finds application in various fields, including:

1. Automotive: Used in automotive electronics for communication between different control units in vehicles.
2. Industrial Automation: Enables reliable communication in industrial automation systems, connecting sensors, actuators, and controllers.
3. Medical Devices: Facilitates communication between medical devices, ensuring accurate and timely data exchange.
4. Home Automation: Integrates with home automation systems to enable communication between different smart devices.

Detailed and Complete Alternative Models

1. MCP2551: A popular alternative with similar specifications and functionality.
2. TJA1050: Another widely used transceiver with CAN bus compatibility.
3. SN65HVD230: Offers extended temperature range and higher data rates compared to the SN75HVD12P.

In conclusion, the SN75HVD12P is a versatile transceiver IC designed for use in communication systems, particularly in CAN bus networks. Its wide supply voltage range, low standby current consumption, and excellent EMC performance make it suitable for various applications. However, its limited data rate and lack of integrated termination resistors may be considered as disadvantages.