SN65HVD74DGK

Product Overview

• Category: Integrated Circuit
• Use: Transceiver
• Characteristics: High-speed, low-power, half-duplex communication
• Package: DGK (8-pin VSSOP)
• Essence: Transceiver IC for industrial applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 3V to 5.5V
• Data Rate: Up to 12 Mbps
• Operating Temperature Range: -40°C to +85°C
• ESD Protection: ±16 kV HBM, ±8 kV IEC 61000-4-2 Air-Gap Discharge, ±6 kV IEC 61000-4-2 Contact Discharge

Detailed Pin Configuration

1. VCC: Power supply voltage
2. GND: Ground reference
3. RS: Receiver input/output
4. RO: Receiver output
5. DE: Driver output enable
6. DI: Driver input
7. RE: Receiver output enable
8. VREF: Reference voltage for receiver input threshold

Functional Features

• Half-duplex communication
• Low power consumption
• Wide supply voltage range
• Enhanced ESD protection
• Thermal shutdown protection
• Glitch-free power-up and power-down
• Fail-safe receiver inputs

Advantages

• High-speed data transmission
• Suitable for industrial environments
• Robust ESD protection
• Compact package size
• Low power consumption

Disadvantages

• Limited to half-duplex communication
• Not suitable for full-duplex applications
• Requires external components for complete functionality

Working Principles

The SN65HVD74DGK is a transceiver IC designed for half-duplex communication in industrial applications. It operates by converting the digital signals from the driver input (DI) into differential signals on the RS line, which are then received and converted back to digital signals by the receiver output (RO). The transceiver features enhanced ESD protection, thermal shutdown protection, and glitch-free power-up and power-down functionality.

Detailed Application Field Plans

The SN65HVD74DGK is commonly used in various industrial applications that require reliable half-duplex communication. Some of the specific application fields include:

1. Industrial Automation: Used for communication between PLCs (Programmable Logic Controllers), sensors, and actuators in automated systems.
2. Building Automation: Enables communication between control panels, HVAC systems, lighting controls, and other building automation devices.
3. Automotive Electronics: Facilitates communication between different electronic modules within a vehicle, such as body control modules, engine control units, and infotainment systems.
4. Energy Management Systems: Allows for communication between smart meters, energy monitoring devices, and energy management systems in residential and commercial settings.

Detailed and Complete Alternative Models

• MAX485: Similar half-duplex transceiver IC with RS-485 compatibility.
• LTC2875: Full-duplex transceiver IC with high-speed data transmission capabilities.
• SN65HVD230: Half-duplex transceiver IC with lower supply voltage range.

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