Analog Devices Inc./Maxim Integrated

MAX490ECPA+  

Drivers, Receivers, Transceivers

MAX490ECPA+ Description

The MAX490ECPA+ from Analog Devices Inc./Maxim Integrated is a high-performance RS422/RS485 transceiver designed for robust serial communication in industrial and embedded systems. Housed in an 8-pin DIP package, this full-duplex transceiver integrates one driver and one receiver, supporting data rates up to 2.5Mbps. It operates over a 4.75V to 5.25V supply range and is optimized for noise immunity with 70mV receiver hysteresis, ensuring reliable signal integrity in electrically noisy environments. The device is RoHS3 compliant, REACH unaffected, and rated for 0°C to 70°C operation, making it suitable for commercial and industrial applications.

MAX490ECPA+ Features

• Full-Duplex Communication: Enables simultaneous bidirectional data transmission, ideal for multi-node networks.
• High Noise Immunity: 70mV receiver hysteresis minimizes errors in noisy conditions.
• Wide Supply Range: Operates from 4.75V to 5.25V, compatible with standard 5V logic systems.
• Robust Protocol Support: Compliant with RS422 and RS485 standards for long-distance communication.
• Industrial Reliability: MSL 1 (Unlimited) moisture sensitivity and through-hole mounting ensure durability in harsh environments.
• Low Power Consumption: Optimized for efficiency in battery-powered or energy-sensitive applications.

MAX490ECPA+ Applications

• Industrial Automation: PLCs, motor control, and sensor networks requiring noise-resistant communication.
• Telecom Infrastructure: RS485-based modems, routers, and base stations.
• Embedded Systems: Microcontroller interfaces, legacy serial port replacements.
• Building Automation: HVAC controls, lighting systems, and security networks.
• Medical Equipment: Reliable data transmission in diagnostic and monitoring devices.

Conclusion of MAX490ECPA+

The MAX490ECPA+ stands out as a versatile, high-reliability transceiver for RS422/RS485 applications, combining noise immunity, full-duplex operation, and industrial-grade robustness. Its ease of integration and compliance with stringent environmental standards make it a preferred choice for engineers designing mission-critical communication systems. Whether in industrial, telecom, or embedded applications, this transceiver delivers consistent performance where signal integrity and durability are paramount.

MAX490ECPA+ Documents

Download datasheets and manufacturer documentation for MAX490ECPA+

Datasheets :

MAX481E-491E, MAX1487E      

Part Numbering Guide :

Part Numbering System      

Application Notes :

FAQs about Interface, RS-232, and RS-485 Circuits      

Environmental Information :

Maxim Integrated RoHS Cert       Maxim Integrated REACH