Analog Devices Inc./Maxim Integrated Tariff Inquiry

MAX211EAI

MAX211EAI Description

The MAX211EAI from Analog Devices Inc./Maxim Integrated is a full-duplex RS-232 transceiver designed for robust serial communication in industrial and embedded systems. Housed in a 28-pin SSOP package, this obsolete but historically significant IC supports 4 drivers and 5 receivers, enabling versatile multi-channel data transmission. Operating at a data rate of 120Kbps with a supply voltage range of 4.5V to 5.5V, it ensures reliable performance in moderate-speed applications. The device features 500mV receiver hysteresis, enhancing noise immunity in electrically noisy environments. Compliant with EAR99 and REACH Unaffected regulations, it was widely used in legacy systems requiring RS-232 interfacing.

MAX211EAI Features

• Full-duplex RS-232 transceiver with 4 drivers and 5 receivers for flexible system design.
• 120Kbps data rate suitable for industrial control and instrumentation.
• Wide supply voltage (4.5V–5.5V) ensures compatibility with standard 5V logic systems.
• 500mV receiver hysteresis improves signal integrity in noisy conditions.
• 28-pin SSOP package for compact, surface-mount PCB integration.
• Compliant with EAR99 and REACH Unaffected, meeting export and environmental standards.
• Moisture Sensitivity Level (MSL) 1, allowing unlimited floor life under typical storage conditions.

MAX211EAI Applications

• Legacy industrial automation systems requiring robust RS-232 communication.
• Embedded systems such as point-of-sale terminals and medical devices.
• Telecommunication equipment for serial data transmission.
• Test and measurement instruments where noise immunity is critical.
• Retrofit or repair applications for older RS-232-based hardware.

Conclusion of MAX211EAI

The MAX211EAI is a high-reliability RS-232 transceiver optimized for noise-resistant, moderate-speed serial communication. While now obsolete, its full-duplex operation, multi-channel capability, and robust hysteresis made it a preferred choice for industrial and embedded applications. Engineers seeking replacements or maintaining legacy systems may still find its specifications relevant for ensuring backward compatibility. For modern designs, newer alternatives with higher data rates and lower power consumption are recommended, but the MAX211EAI remains a testament to reliable RS-232 interfacing.