SP485CN-L

Product Overview

Category: Integrated Circuit
Use: Communication and Signal Processing
Characteristics: Low power consumption, high noise immunity
Package: 8-pin DIP or SOIC
Essence: RS-485 Transceiver
Packaging/Quantity: Tube/50 units

Specifications

• Operating Voltage: 3V to 5.5V
• Data Rate: Up to 250kbps
• Operating Temperature: -40°C to 85°C
• ESD Protection: ±15kV HBM on transceiver pins

Detailed Pin Configuration

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

Functional Features

• Half-duplex transceiver
• Low quiescent current
• Enhanced ESD protection
• Short-circuit and thermal shutdown protection

Advantages and Disadvantages

Advantages

• Wide operating voltage range
• High data rate capability
• Robust ESD protection

Disadvantages

• Limited maximum data rate compared to some newer models
• Requires external termination resistors for long bus applications

Working Principles

The SP485CN-L is a half-duplex transceiver that enables bidirectional communication over twisted-pair cables using the RS-485 standard. It features driver and receiver enable inputs for controlling the direction of data flow and provides enhanced ESD protection to safeguard against electrical overstress events.

Detailed Application Field Plans

The SP485CN-L is suitable for various industrial automation, building automation, and automotive applications requiring reliable long-distance communication. It can be used in HVAC systems, access control, and motor control applications where robust and noise-immune data transmission is essential.

Detailed and Complete Alternative Models

• MAX485
• SN65HVD72
• LTC1480

This list is not exhaustive and other alternative models may also be available from different manufacturers.

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