Analog Devices Inc./Maxim Integrated

MAX1490BCPG  

Drivers, Receivers, Transceivers

MAX1490BCPG Description

The MAX1490BCPG from Analog Devices Inc./Maxim Integrated is a robust full-duplex RS422/RS485 transceiver designed for reliable data communication in industrial and embedded systems. Housed in a 24-pin DIP package, this through-hole-mount IC operates within a 4.5V to 5.5V supply range and supports data rates up to 250kbps. Its 1 driver/1 receiver configuration ensures bidirectional communication, while 70mV receiver hysteresis enhances noise immunity in electrically noisy environments. The device is rated for 0°C to 70°C operation, making it suitable for commercial-grade applications. Though marked as obsolete, it remains a dependable choice for legacy systems requiring RS422/RS485 compliance.

MAX1490BCPG Features

• Protocol Support: Compatible with RS422 and RS485 standards for versatile interfacing.
• Noise Resilience: 70mV hysteresis minimizes signal jitter in high-interference settings.
• Power Efficiency: Operates at 4.5V–5.5V, ideal for low-power designs.
• Full-Duplex Operation: Simultaneous bidirectional communication for real-time data exchange.
• Industrial Robustness: Through-hole packaging (DIP) ensures mechanical durability.
• Regulatory Compliance: EAR99, REACH Unaffected, and MSL 1 (Unlimited) for global deployment.

MAX1490BCPG Applications

• Industrial Automation: PLCs, motor control, and sensor networks requiring noise-immune communication.
• Legacy Systems: Upgrades or repairs for older RS422/RS485 infrastructure.
• Embedded Systems: Microcontroller interfaces in test equipment or instrumentation.
• Telecom Backplanes: Reliable data transmission in rack-mounted systems.
• Building Automation: HVAC controls and security systems leveraging full-duplex communication.

Conclusion of MAX1490BCPG

The MAX1490BCPG excels in environments demanding noise-resistant, full-duplex serial communication with moderate data rates. Its RS422/RS485 compatibility, coupled with robust hysteresis and wide supply range, makes it a pragmatic choice for industrial and embedded designs. While newer alternatives exist, its simplicity, reliability, and through-hole form factor ensure continued relevance in legacy and maintenance-critical applications. Engineers seeking a proven transceiver for harsh electrical conditions will find this IC a dependable solution.

MAX1490BCPG Documents

Download datasheets and manufacturer documentation for MAX1490BCPG

Datasheets :

MAX1480A,B,C, 90A,B      

Part Numbering Guide :

Part Numbering System      

PCN Obsolescence/ EOL :

Mult Dev OBS 04/Sep/2015      

HTML Datasheet :

MAX1480A,B,C, 90A,B      

Environmental Information :

Material Declaration MAX1490BCPG       Maxim Integrated RoHS Cert       Maxim Integrated REACH