The XR402IL48 is a monolithic quad differential line driver and receiver integrated circuit manufactured by Exar Corporation. This device is designed for balanced and unbalanced data transmission and reception systems, making it suitable for various communication protocols and industrial applications. It operates from a single +5V power supply and offers high-speed data transfer capabilities.

Applications:

  
• RS-422 communication systems
  
• RS-485 communication systems
  
• EIA-422 communication systems
  
• EIA-485 communication systems
  
• Industrial control networks
  
• Data acquisition systems
  
• Point-to-point data transmission
  
• Multi-point data transmission

Features:

  
• Quad differential line driver and receiver
  
• Single +5V power supply operation
  
• High-speed data transfer
  
• Balanced and unbalanced operation
  
• Built-in thermal shutdown protection
  
• Short-circuit protection
  
• Low power consumption
  
• TTL compatible inputs and outputs

Benefits:

  
• Enhanced data transmission reliability: Differential signaling reduces noise and improves signal integrity.
  
• Simplified system design: Integrated driver and receiver in a single package reduces component count.
  
• Robust protection features: Thermal shutdown and short-circuit protection ensure reliable operation in harsh environments.
  
• Wide operating temperature range: Suitable for use in industrial applications.
  
• Cost-effective solution: Reduces overall system cost compared to discrete implementations.

Additional Details:

The XR402IL48 features a wide common-mode voltage range and high input impedance, making it compatible with various transmission lines. It is typically packaged in a 48-pin IL package. Key specifications include a data rate of up to 10 Mbps, a supply current of typically 20mA per driver/receiver pair, and an operating temperature range of -40°C to +85°C.  The driver outputs are capable of driving balanced or unbalanced lines with impedances ranging from 50 to 600 ohms. The receiver inputs have a common-mode voltage range of ±7V, providing excellent noise immunity. The device also includes built-in hysteresis to prevent oscillation due to slow-changing input signals.