SP490EN-L/TR

Product Overview

• Category: Integrated Circuit
• Use: Communication and Networking
• Characteristics: Low-power, Half-duplex RS-485 Transceiver
• Package: SOP-8
• Essence: Reliable and efficient communication in industrial applications
• Packaging/Quantity: Tape & 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 Pins: 8
• RoHS Compliant: Yes

Detailed Pin Configuration

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

Functional Features

• Half-duplex RS-485 transceiver
• Low power consumption
• Enhanced ESD protection
• Wide supply voltage range
• High data rate capability
• Short-circuit protection
• Thermal shutdown protection

Advantages

• Robust communication in noisy industrial environments
• Low power consumption extends battery life in portable devices
• Wide supply voltage range allows compatibility with various systems
• High data rate enables fast and efficient data transmission
• Short-circuit and thermal shutdown protection enhance reliability

Disadvantages

• Limited to half-duplex communication
• Requires external components for complete functionality
• Not suitable for high-speed applications above 250kbps

Working Principles

The SP490EN-L/TR is a half-duplex RS-485 transceiver that enables reliable communication between multiple devices in industrial applications. It utilizes differential signaling to transmit data over long distances while providing noise immunity.

The DE and RE pins control the direction of data transmission, enabling either the driver or receiver. The A and B pins are used for non-inverting and inverting data lines, respectively. The transceiver operates on a wide supply voltage range, making it suitable for various systems.

Detailed Application Field Plans

• Industrial automation
• Building automation
• HVAC systems
• Security systems
• Access control systems
• Energy management systems
• Process control systems
• Data acquisition systems

Detailed and Complete Alternative Models

1. MAX485EESA+
2. SN65HVD485EDR
3. LTC1480CS8#PBF
4. ADM485ARZ
5. SP3082EEN-L/TR

These alternative models offer similar functionality and can be considered as replacements for the SP490EN-L/TR in different applications.

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