Analog Devices Inc./Maxim Integrated Tariff Inquiry

MAX208ENG

MAX208ENG Description

The MAX208ENG from Analog Devices Inc./Maxim Integrated is a full-duplex RS-232 transceiver designed for robust serial communication in demanding environments. Housed in a 24-pin DIP package, this through-hole-mount IC integrates 4 drivers and 4 receivers, supporting data rates up to 120 kbps. Operating within a 4.5V to 5.5V supply range, it ensures compatibility with standard TTL/CMOS logic levels while delivering ±12V RS-232 output levels. The device features 500 mV receiver hysteresis, enhancing noise immunity in electrically noisy conditions. Although marked obsolete, its legacy design remains relevant for industrial and embedded systems requiring reliable RS-232 interfaces.

MAX208ENG Features

• High Integration: Combines 4 drivers and 4 receivers in a single package, reducing board space.
• Noise Resilience: 500 mV receiver hysteresis minimizes errors in high-interference environments.
• Wide Voltage Range: Operates from 4.5V to 5.5V, accommodating typical 5V systems.
• Full-Duplex Communication: Enables simultaneous transmission and reception for efficient data exchange.
• Robust Output: Generates RS-232-compliant ±12V signals from a single 5V supply.
• Legacy Reliability: REACH Unaffected and MSL 1 (Unlimited) rating ensures long-term storage stability.

MAX208ENG Applications

• Industrial Automation: Ideal for PLCs, motor controllers, and sensor interfaces requiring noise-resistant RS-232 links.
• Embedded Systems: Used in legacy equipment upgrades or designs needing proven RS-232 connectivity.
• Telecom Infrastructure: Supports diagnostic ports and low-speed data logging in networking hardware.
• Medical Devices: Reliable serial communication for older diagnostic instruments with RS-232 interfaces.

Conclusion of MAX208ENG

The MAX208ENG stands out for its balanced combination of integration, noise immunity, and legacy compatibility. While newer alternatives exist, its full-duplex operation, wide supply range, and robust hysteresis make it a pragmatic choice for maintaining or designing systems dependent on RS-232. Its through-hole package further simplifies prototyping and repairs in industrial and embedded contexts. Engineers seeking a time-tested RS-232 solution will find the MAX208ENG a dependable option despite its obsolete status.