The ADM487EARZ is a high-performance, low-power transceiver from Analog Devices Inc., designed for bidirectional data communications on multipoint bus transmission lines. It is part of the ADM487E series, which is engineered for balanced transmission lines and complies with the EIA standards for the RS-485 and RS-422 serial communication protocols.

Key Features

• Interface Type: RS-485/RS-422
• Data Rate: Up to 250 kbps
• Supply Voltage: Operates from a single 5V power supply
• Integrated Protection: Features thermal shutdown and short-circuit protection
• Receiver Input Hysteresis: 70 mV typical, for improved noise immunity
• Half-Duplex Operation: Facilitates bidirectional communication on a single pair of wires
• Extended Temperature Range: -40°C to +85°C, suitable for industrial environments
• Package: 14-Pin SOIC narrow body package

Applications

The ADM487EARZ is versatile and can be used in various applications that require robust and reliable data transmission. It is ideal for industrial control systems, building automation, factory automation, and other applications that benefit from differential data transmission's noise immunity and long cable lengths.

Why Choose ADM487EARZ?

The ADM487EARZ stands out for its integrated features that ensure reliable communication in challenging environments. It supports up to 32 nodes on the bus, which makes it an excellent choice for networked devices. The device's low power consumption and power-saving shutdown mode make it suitable for power-sensitive applications. Additionally, its pin compatibility with other devices in the series allows for easy upgrades or modifications to existing systems without significant redesign.

Conclusion

In summary, the ADM487EARZ from Analog Devices Inc. is a robust RS-485/RS-422 transceiver that delivers reliable performance with added protection features. Its suitability for harsh industrial environments, combined with its ease of integration, makes it a top choice for engineers and designers looking for a dependable communication solution.