SP491EEN-L/TR

The SP491EEN-L/TR from MaxLinear is a highly integrated, low-power RS-485/RS-422 transceiver designed for industrial communication and networking applications. It provides robust communication over long distances in noisy industrial environments, making it ideal for use in industrial automation, process control, building automation, and instrumentation systems.

Key Features:

1. RS-485/RS-422 Compatibility: The SP491EEN-L/TR is fully compliant with both RS-485 and RS-422 standards, offering versatile compatibility with a wide range of industrial communication protocols and systems. It supports full-duplex communication, allowing simultaneous transmission and reception of data signals over twisted-pair cables.
2. Half-Duplex Operation: This transceiver supports half-duplex communication mode, where data transmission and reception occur alternately over a shared communication channel. It features built-in circuitry for automatic direction control (AutoDirection™), enabling seamless switching between transmit (TX) and receive (RX) modes without external control signals.
3. High-Speed Communication: With its high-speed data rates of up to 20 Mbps, the SP491EEN-L/TR facilitates fast and efficient data transfer in industrial networks, ensuring rapid response times and low latency. It is capable of handling large volumes of data traffic, making it suitable for applications requiring high-bandwidth communication.
4. Low Power Consumption: Designed for energy-efficient operation, the SP491EEN-L/TR minimizes power consumption during both active and standby modes, helping to reduce overall system power consumption and extend battery life in battery-powered devices. Its low-power design makes it suitable for use in energy-conscious applications and portable equipment.
5. Wide Operating Voltage Range: This transceiver operates over a wide supply voltage range of 3.0V to 5.5V, allowing for flexible power supply configurations and compatibility with various power sources. It accommodates fluctuations in the supply voltage and ensures reliable operation across different voltage levels.
6. Robust ESD Protection: The SP491EEN-L/TR features robust electrostatic discharge (ESD) protection, withstanding ESD events of up to ±15 kV (Human Body Model) on the RS-485/RS-422 bus pins. It provides reliable protection against static discharge and transient voltage spikes, enhancing system reliability and durability in harsh industrial environments.
7. Enhanced EMC Performance: With its enhanced electromagnetic compatibility (EMC) performance, the SP491EEN-L/TR ensures reliable operation in the presence of electromagnetic interference (EMI) and radio frequency interference (RFI) commonly found in industrial environments. It minimizes signal distortion and noise susceptibility, maintaining signal integrity and communication reliability.

Applications:

• Industrial automation and control systems
• Process control and monitoring
• Building automation and HVAC systems
• Instrumentation and measurement equipment
• Factory automation and robotics
• Motor control and drive systems
• Access control and security systems
• Data acquisition and logging systems

The SP491EEN-L/TR transceiver from MaxLinear offers reliable, high-performance RS-485/RS-422 communication in industrial applications. With its RS-485/RS-422 compatibility, half-duplex operation, high-speed communication, low power consumption, wide operating voltage range, robust ESD protection, and enhanced EMC performance, it provides engineers and designers with a versatile and efficient solution for industrial networking and communication requirements.