Analog Devices Inc./Maxim Integrated Tariff Inquiry

MAX3085CSA

MAX3085CSA Description

The MAX3085CSA from Analog Devices Inc./Maxim Integrated is a half-duplex RS-422/RS-485 transceiver designed for robust industrial and communication applications. Housed in an 8-pin SOIC package, this surface-mount IC integrates one driver and one receiver, supporting data rates up to 500kbps. Operating within a 4.75V to 5.25V supply range, it ensures reliable performance in environments with 0°C to 70°C temperature ranges. The device features 100mV receiver hysteresis, enhancing noise immunity in electrically noisy conditions. Although marked obsolete, it remains a viable solution for legacy systems requiring RS-485/RS-422 compatibility.

MAX3085CSA Features

• Half-Duplex Operation: Enables bidirectional communication over a single twisted-pair line.
• High Noise Immunity: 100mV receiver hysteresis minimizes errors in noisy industrial environments.
• Wide Supply Range: 4.75V–5.25V operation ensures compatibility with standard 5V systems.
• Fast Data Rate: Supports 500kbps, suitable for moderate-speed industrial networks.
• Surface-Mount Design: 8-SOIC package optimizes board space in compact designs.
• Low Power Consumption: Efficient for battery-sensitive applications.
• Compliance: REACH unaffected and EAR99 classified for global deployment.

MAX3085CSA Applications

• Industrial Automation: Ideal for PLC networks, motor control, and sensor interfaces due to noise immunity.
• Building Automation: Used in HVAC systems and lighting control for reliable data transmission.
• Legacy Systems: Maintains compatibility with older RS-485/RS-422 infrastructure.
• Telecommunications: Suitable for short-range modem interfaces and data concentrators.
• Embedded Systems: Integrates into microcontroller-based designs requiring robust serial communication.

Conclusion of MAX3085CSA

The MAX3085CSA offers a balance of speed, noise resilience, and power efficiency for half-duplex RS-485/RS-422 applications. While obsolete, its 100mV hysteresis, 500kbps data rate, and 5V operation make it a dependable choice for industrial, automation, and legacy systems. Engineers seeking a proven transceiver for moderate-speed networks will find it a practical solution despite newer alternatives.