SP490ES-L

Product Overview

• Category: Electronic Component
• Use: Communication and Data Transmission
• Characteristics: High-speed, Low-power, Robust Design
• Package: Small Outline Integrated Circuit (SOIC)
• Essence: Transceiver IC for RS-485/RS-422 Communication
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 3.3V to 5.5V
• Data Rate: Up to 20 Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Pins: 8
• Interface: RS-485/RS-422

Detailed Pin Configuration

1. A/B: Differential Bus Line
2. Y/Z: Differential Bus Line
3. GND: Ground
4. Vcc: Supply Voltage
5. RO: Receiver Output
6. RE: Receiver Enable
7. DE: Driver Enable
8. DI: Driver Input

Functional Features

• Full-duplex or Half-duplex Communication
• Enhanced ESD Protection
• Low Power Consumption
• Wide Common Mode Range
• Fail-Safe Receiver Input
• Thermal Shutdown Protection

Advantages

• High-speed Data Transmission
• Robust Design for Industrial Environments
• Low Power Consumption
• Enhanced Protection against Electrostatic Discharge (ESD)
• Flexible Communication Modes (Full-duplex/Half-duplex)

Disadvantages

• Limited Operating Temperature Range (-40°C to +85°C)
• Requires External Components for Proper Operation
• Relatively Small Number of Pins for Advanced Configurations

Working Principles

The SP490ES-L is a transceiver IC designed for RS-485/RS-422 communication. It enables bidirectional data transmission over long distances using differential signaling. The IC incorporates a driver and receiver circuitry, allowing for full-duplex or half-duplex communication. It operates with a supply voltage ranging from 3.3V to 5.5V and supports data rates up to 20 Mbps.

Detailed Application Field Plans

The SP490ES-L is widely used in various applications that require reliable and high-speed communication over long distances. Some common application fields include:

1. Industrial Automation: Used in PLCs (Programmable Logic Controllers), SCADA (Supervisory Control and Data Acquisition) systems, and industrial control networks.
2. Building Automation: Enables communication between different building automation devices such as HVAC (Heating, Ventilation, and Air Conditioning) systems, lighting controls, and access control systems.
3. Automotive Electronics: Used in automotive networking protocols like CAN (Controller Area Network) to facilitate communication between various electronic modules within a vehicle.
4. Telecommunication Systems: Enables data transmission in telecommunication networks, including base stations, repeaters, and network switches.
5. Renewable Energy Systems: Facilitates communication between renewable energy sources (such as solar panels and wind turbines) and control systems for efficient power management.

Detailed and Complete Alternative Models

1. MAX485: Similar transceiver IC with comparable specifications and pin configuration.
2. SN75176: RS-485 transceiver IC with extended temperature range and higher data rate capability.
3. LTC2850: Low-power RS-485 transceiver IC with integrated ESD protection and wide supply voltage range.

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