SN65HVD78DGKR

Product Overview

• Category: Integrated Circuit
• Use: Transceiver
• Characteristics: High-speed, low-power, half-duplex communication
• Package: VSSOP (Very Small Outline Package)
• Essence: Provides a reliable and efficient means of transmitting data over long distances in industrial applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 3V to 5.5V
• Data Rate: Up to 1 Mbps
• Operating Temperature Range: -40°C to +125°C
• Number of Pins: 8
• ESD Protection: ±16 kV HBM (Human Body Model)

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground reference
3. TXD: Transmit data input
4. RXD: Receive data output
5. RS: Receiver input/output mode select
6. DE: Driver output enable
7. RE: Receiver output enable
8. NC: No connection

Functional Features

• Half-duplex communication: Allows transmission and reception of data on a single communication line
• Low power consumption: Ideal for battery-powered devices
• Robust communication: Built-in ESD protection ensures reliability in harsh environments
• Wide operating temperature range: Suitable for industrial applications

Advantages

• High-speed data transmission
• Low power consumption extends battery life
• Compact package size saves board space
• Reliable communication in industrial settings

Disadvantages

• Limited to half-duplex communication only
• Not suitable for high-speed applications above 1 Mbps

Working Principles

The SN65HVD78DGKR is a transceiver integrated circuit that facilitates half-duplex communication between two devices. It operates by converting the digital signals from the transmitter into a differential voltage signal suitable for long-distance transmission. The receiver then converts the received differential voltage back into digital signals.

Detailed Application Field Plans

The SN65HVD78DGKR is widely used in various industrial applications, including:

1. Factory Automation: Enables communication between sensors, actuators, and control systems in automated manufacturing processes.
2. Building Automation: Facilitates data exchange between different building systems such as HVAC, lighting, and security.
3. Automotive Electronics: Supports communication between different electronic modules within vehicles, such as engine control units and infotainment systems.
4. Energy Management Systems: Allows for efficient monitoring and control of energy consumption in smart grid systems.

Detailed and Complete Alternative Models

• MAX485: Similar half-duplex transceiver with higher data rate capability (up to 2.5 Mbps).
• SN65HVD230: Half-duplex transceiver with lower power consumption and smaller package size.

In conclusion, the SN65HVD78DGKR is a versatile transceiver integrated circuit that provides reliable and efficient half-duplex communication in industrial applications. Its high-speed data transmission, low power consumption, and robustness make it an ideal choice for various industrial automation systems. However, its limitations include being limited to half-duplex communication and not suitable for high-speed applications above 1 Mbps.