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The SP481EEN-L/TR is a RS-485/RS-422 transceiver manufactured by EXAR Corporation (now part of MaxLinear). Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: EXAR (MaxLinear)
• Type: RS-485/RS-422 Transceiver
• Data Rate: Up to 20Mbps
• Supply Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Package: SOIC-8 (Surface Mount)
• Number of Drivers/Receivers: 1 Driver, 1 Receiver
• ESD Protection: ±15kV (Human Body Model)
• Half/Full Duplex: Half-Duplex
• Current Consumption (Quiescent): 300µA (Typical)

Description:

The SP481EEN-L/TR is a low-power, high-speed RS-485/RS-422 transceiver designed for robust communication in industrial, automotive, and networking applications. It supports 20Mbps data rates and operates on a 3.3V supply, making it suitable for low-voltage systems.

Key Features:

• 20Mbps High-Speed Data Transmission
• 3.3V Single-Supply Operation
• Enhanced ESD Protection (±15kV HBM)
• Half-Duplex Communication
• Low Power Consumption (300µA Typical)
• 1/8 Unit Load (Allows up to 256 Nodes on Bus)
• Thermal Shutdown Protection
• Short-Circuit Protection on Driver Outputs
• SOIC-8 Package for Compact PCB Design

This transceiver is commonly used in industrial automation, motor control, HVAC systems, and networking equipment where reliable RS-485 communication is required.

Would you like additional details on pin configuration or application notes?