The SP491 is a full-duplex RS-485 transceiver IC designed for reliable high-speed communication over long distances. It features low power consumption and enhanced noise immunity, making it suitable for industrial and commercial applications. The IC is available in a compact 14-NSOIC SMD package, providing ease of integration into various designs.

Specifications:

• IC Type: Full Duplex RS-485 Transceiver
• Package Type: 14-NSOIC SMD
• Package Size: 14 Pins
• Supply Voltage: 4.75 V to 5.25 V
• Data Rate: Up to 10 Mbps
• Driver Output Voltage: ±5 V
• Receiver Input Sensitivity: ±200 mV
• Receiver Input Resistance: 12 kΩ (minimum)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration:

1. RO: Receiver Output
2. RE: Receiver Output Enable
3. DE: Driver Output Enable
4. DI: Driver Input
5. GND: Ground
6. A: Non-Inverting Driver Output / Receiver Input
7. B: Inverting Driver Output / Receiver Input
8. NC: No Connection
9. NC: No Connection
10. NC: No Connection
11. NC: No Connection
12. NC: No Connection
13. NC: No Connection
14. VCC: Positive Supply Voltage

Features:

• Full-duplex communication capability
• Low power consumption
• Enhanced noise immunity
• High-speed data transmission up to 10 Mbps
• Compact 14-NSOIC package for efficient designs

Applications:

• Industrial automation
• Building automation
• Remote meter reading
• Security systems
• Data communication networks

Package Includes:

1 x SP491 Full Duplex RS-485 Transceiver IC (14 PIN SOIC SMD Package)

Note: Product images are for illustrative purposes only and may differ from the actual product.