SP3483EN-L/TR

Product Overview

• Category: Integrated Circuit
• Use: Communication and Networking
• Characteristics: Low Power, Half-Duplex RS-485 Transceiver
• Package: SOIC-8
• Essence: Reliable and efficient communication in industrial applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 3.0V to 5.5V
• Data Rate: Up to 250kbps
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 1
• Interface: RS-485
• Features: Low Power Shutdown, Thermal Shutdown Protection, Enhanced ESD Protection

Detailed Pin Configuration

The SP3483EN-L/TR has a total of 8 pins arranged as follows:

1. DE (Driver Output Enable)
2. RE (Receiver Output Enable)
3. DI (Driver Input)
4. RO (Receiver Output)
5. Vcc (Power Supply)
6. GND (Ground)
7. A (Non-Inverting Data Line)
8. B (Inverting Data Line)

Functional Features

• Half-duplex communication using the RS-485 standard
• Driver output enable and receiver output enable for control
• Enhanced electrostatic discharge (ESD) protection
• Low power consumption
• Thermal shutdown protection

Advantages and Disadvantages

Advantages

• Supports reliable long-distance communication
• Low power consumption extends battery life in portable devices
• Enhanced ESD protection ensures robustness in harsh environments
• Thermal shutdown protection prevents damage due to overheating

Disadvantages

• Limited to half-duplex communication
• Requires additional components for full-duplex operation

Working Principles

The SP3483EN-L/TR is a half-duplex RS-485 transceiver that enables reliable communication over long distances. It uses differential signaling to transmit and receive data, allowing for noise-immune operation in industrial environments. The driver output enable (DE) and receiver output enable (RE) pins control the direction of communication. When DE is high and RE is low, the device is in transmit mode, and when DE is low and RE is high, it is in receive mode.

Detailed Application Field Plans

The SP3483EN-L/TR is widely used in various industrial applications, including:

1. Building Automation Systems
2. Industrial Control Systems
3. HVAC (Heating, Ventilation, and Air Conditioning) Systems
4. Access Control Systems
5. Security Systems
6. Process Control Equipment
7. Robotics
8. Energy Management Systems

Detailed and Complete Alternative Models

• MAX485
• SN75176
• LTC1480
• ADM485
• ST485
• ISL8489
• DS485
• MC3486

These alternative models offer similar functionality and can be used as replacements for the SP3483EN-L/TR in various applications.

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