Analog Devices Inc./Maxim Integrated

MAX481CSA+  

Drivers, Receivers, Transceivers

MAX481CSA+ Description

The MAX481CSA+ from Analog Devices Inc./Maxim Integrated is a half-duplex RS-422/RS-485 transceiver designed for robust communication in industrial and embedded systems. Housed in an 8-pin SOIC package, this surface-mount IC operates within a 4.75V to 5.25V supply range and supports data rates up to 2.5Mbps. Its 70mV receiver hysteresis ensures noise immunity in electrically noisy environments, while its single driver/receiver configuration simplifies integration into compact designs. With an operating temperature range of 0°C to 70°C, it is suitable for commercial applications. The device is RoHS3 compliant, REACH unaffected, and features a Moisture Sensitivity Level (MSL) 1 rating, making it ideal for automated assembly processes.

MAX481CSA+ Features

• Half-Duplex Operation: Enables bidirectional communication over a single twisted-pair line, reducing wiring complexity.
• High Noise Immunity: 70mV receiver hysteresis minimizes errors in noisy industrial environments.
• Low Power Consumption: Optimized for efficiency in battery-powered or energy-sensitive applications.
• Wide Supply Range (4.75V–5.25V): Compatible with standard 5V logic systems.
• Robust Protocol Support: Fully compliant with RS-422 and RS-485 standards.
• Surface-Mount Design (8-SOIC): Saves board space and suits high-density PCB layouts.
• Extended Temperature Range (0°C to 70°C): Reliable performance in commercial environments.

MAX481CSA+ Applications

• Industrial Automation: PLCs, motor control, and sensor networks requiring noise-resistant communication.
• Building Automation: HVAC systems, lighting control, and security systems leveraging RS-485 networks.
• Embedded Systems: Microcontroller-based designs needing reliable serial communication.
• Telecom Infrastructure: Base stations and network equipment utilizing differential signaling.
• Medical Devices: Patient monitoring systems where signal integrity is critical.

Conclusion of MAX481CSA+

The MAX481CSA+ stands out as a cost-effective, high-performance transceiver for RS-422/RS-485 applications. Its noise immunity, compact footprint, and compliance with industry standards make it a preferred choice for engineers designing industrial, embedded, and automation systems. Compared to similar models, it offers superior hysteresis and power efficiency, ensuring reliable data transmission even in challenging environments. Whether for short-range PCB links or long-distance networks, this transceiver delivers durability and precision, aligning with modern design requirements.

MAX481CSA+ Documents

Download datasheets and manufacturer documentation for MAX481CSA+

Datasheets :

MAX481/3/5, MAX487-91, MAX1487      

Part Numbering Guide :

Part Numbering System      

Application Notes :

FAQs about Interface, RS-232, and RS-485 Circuits       Explanation of Maxim RS-485 Features      

Environmental Information :

Maxim Integrated RoHS Cert       Maxim Integrated REACH