Analog Devices Inc./Maxim Integrated

MAX481ECPA  

Drivers, Receivers, Transceivers

MAX481ECPA Description

The MAX481ECPA is a half-duplex transceiver designed by Analog Devices Inc./Maxim Integrated, offering robust performance for RS422 and RS485 communication protocols. This transceiver features a single driver and a single receiver, making it ideal for applications requiring efficient data transmission over long distances. The MAX481ECPA operates within a supply voltage range of 4.75V to 5.25V and supports a data rate of up to 2.5Mbps, ensuring reliable and fast communication.

The device is housed in a through-hole package, specifically an 8-pin DIP, which facilitates easy integration into various electronic systems. With an operating temperature range of 0°C to 70°C, the MAX481ECPA is suitable for a wide range of industrial and commercial environments. Additionally, the receiver incorporates 70 mV of hysteresis, enhancing noise immunity and ensuring stable signal reception.

MAX481ECPA Features

• Half-Duplex Operation: The MAX481ECPA supports half-duplex communication, allowing the same line to be used for both transmitting and receiving data. This feature reduces the number of required communication lines and simplifies system design.
• High Data Rate: With a maximum data rate of 2.5Mbps, the transceiver ensures efficient data transfer, making it suitable for applications requiring high-speed communication.
• Wide Operating Voltage Range: The device operates within a supply voltage range of 4.75V to 5.25V, providing flexibility in power supply requirements and ensuring compatibility with various power sources.
• Receiver Hysteresis: The 70 mV hysteresis in the receiver enhances noise immunity, ensuring stable and reliable signal reception even in noisy environments.
• Through-Hole Mounting: The through-hole package type simplifies integration into printed circuit boards and ensures mechanical stability in various operating conditions.
• Extended Temperature Range: The operating temperature range of 0°C to 70°C makes the MAX481ECPA suitable for a wide range of industrial and commercial applications, including those with varying environmental conditions.

MAX481ECPA Applications

The MAX481ECPA is well-suited for a variety of applications where reliable and efficient data communication is essential. Some specific use cases include:

• Industrial Automation: In industrial settings, the MAX481ECPA can be used for communication between programmable logic controllers (PLCs), sensors, and actuators, facilitating real-time data exchange and control.
• Building Automation: For building management systems, the transceiver can enable communication between various subsystems, such as HVAC, lighting, and security systems, ensuring seamless integration and control.
• Data Acquisition Systems: The device is ideal for data acquisition systems where multiple sensors need to transmit data to a central processing unit, ensuring accurate and timely data collection.
• Telecommunications: In telecommunication applications, the MAX481ECPA can be used for data transmission over long distances, providing reliable communication links for various network components.

Conclusion of MAX481ECPA

The MAX481ECPA is a versatile half-duplex transceiver that offers a combination of high performance and reliability for RS422 and RS485 communication protocols. Its features, such as high data rate, wide operating voltage range, and receiver hysteresis, make it an excellent choice for a variety of industrial and commercial applications. Despite its obsolete status, the MAX481ECPA remains a valuable component for systems requiring robust and efficient data transmission.

MAX481ECPA Documents

Download datasheets and manufacturer documentation for MAX481ECPA

Datasheets :

MAX481E-491E, MAX1487E      

Part Numbering Guide :

Part Numbering System      

Application Notes :

FAQs about Interface, RS-232, and RS-485 Circuits       Explanation of Maxim RS-485 Features      

PCN Obsolescence/ EOL :

Multiple Devices 22/Mar/2015      

Environmental Information :

Maxim Integrated RoHS Cert       Maxim Integrated REACH