SN65HVD23DG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Transceiver
• Characteristics: High-speed, low-power, half-duplex communication
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Enables reliable data transmission over long distances in industrial applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 3.3V to 5V
• Data Rate: Up to 1 Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Pins: 8
• Pin Pitch: 1.27mm

Detailed Pin Configuration

1. VCC: Power supply voltage input
2. GND: Ground reference
3. RO: Receiver output
4. DI: Driver input
5. DE: Driver output enable
6. RE: Receiver output enable
7. RS: Receiver input
8. NC: No connection

Functional Features

• Half-Duplex Communication: Allows bidirectional data transfer on a single communication line
• Low Power Consumption: Optimized for energy-efficient operation
• ESD Protection: Built-in electrostatic discharge protection for enhanced reliability
• Fail-Safe Receiver: Automatically switches to a high-level output when the bus is idle or shorted

Advantages

• Robust Communication: Supports reliable data transmission in noisy industrial environments
• Wide Operating Voltage Range: Compatible with various power supply configurations
• Easy Integration: Compact package and simple pin configuration facilitate integration into existing designs

Disadvantages

• Limited Data Rate: Maximum data rate of 1 Mbps may not be sufficient for certain high-speed applications
• Half-Duplex Limitation: Inability to transmit and receive data simultaneously may restrict real-time communication requirements

Working Principles

The SN65HVD23DG4 is a half-duplex transceiver that utilizes differential signaling to enable reliable data transmission over long distances. It operates by converting the logic-level signals from the driver input (DI) into differential voltage signals on the bus. The receiver input (RS) then converts the received differential signals back into logic-level signals.

The transceiver incorporates fail-safe features, such as automatic output switching to a high-level state when the bus is idle or shorted. This ensures that the communication line remains in a known state even in the absence of valid data.

Detailed Application Field Plans

The SN65HVD23DG4 is widely used in industrial automation, automotive systems, and other applications that require robust and noise-immune communication over long distances. Some specific application areas include:

1. Factory Automation: Enables communication between various control devices, sensors, and actuators in industrial environments.
2. Building Automation: Facilitates data exchange between different building management systems, such as HVAC, lighting, and security systems.
3. Automotive Networks: Supports communication within automotive networks, including body control modules, powertrain systems, and infotainment systems.
4. Renewable Energy Systems: Allows for reliable communication between components in solar power plants, wind turbines, and energy storage systems.

Detailed and Complete Alternative Models

• SN65HVD22DG4: Similar to SN65HVD23DG4 but with a lower data rate of 250 kbps
• SN65HVD24DG4: Higher-speed alternative with a maximum data rate of 5 Mbps
• SN65HVD25DG4: Enhanced version with extended operating temperature range (-40°C to +125°C)

(Note: These alternative models are part of the same product family and offer similar functionality with slight variations in specifications.)

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