Analog Devices Inc./Maxim Integrated Tariff Inquiry

MAX222CWN

MAX222CWN Description

The MAX222CWN from Analog Devices Inc./Maxim Integrated is a full-duplex RS-232 transceiver designed for reliable serial communication in industrial and embedded systems. Housed in an 18-pin SOIC package, this surface-mount IC integrates 2 drivers and 2 receivers, supporting data rates up to 250kbps. Operating within a 4.5V to 5.5V supply range, it is optimized for 5V systems and features 500mV receiver hysteresis for robust noise immunity. The device complies with RS-232 standards, ensuring compatibility with legacy interfaces. Though marked obsolete, it remains a viable choice for maintenance or legacy designs due to its proven performance.

MAX222CWN Features

• Full-duplex operation: Enables simultaneous transmission and reception.
• High noise immunity: 500mV hysteresis minimizes errors in noisy environments.
• Wide operating temperature range: 0°C to 70°C suits industrial and commercial applications.
• Low power consumption: Efficient design for battery-sensitive systems.
• Surface-mount packaging (SOIC-18): Saves board space in compact designs.
• Compliance: Meets RS-232 protocol and REACH/ECCN regulatory standards.

Advantages over competitors: Unlike basic transceivers, the MAX222CWN offers enhanced hysteresis and full-duplex capability, making it ideal for applications requiring reliable bidirectional communication.

MAX222CWN Applications

• Industrial automation: PLCs, motor control, and sensor interfaces.
• Legacy systems: Upgrading or maintaining RS-232-based equipment.
• Embedded systems: Microcontroller-to-PC communication.
• Medical devices: Diagnostic equipment with serial interfaces.
• Point-of-sale (POS) terminals: Reliable data exchange in retail environments.

Conclusion of MAX222CWN

The MAX222CWN is a robust, albeit obsolete, RS-232 transceiver offering noise-resistant, full-duplex communication for demanding environments. Its high hysteresis, compact form factor, and compliance with industry standards make it a dependable choice for legacy upgrades or niche applications. While newer alternatives exist, its performance and reliability ensure continued relevance in specific use cases.

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