Analog Devices Inc./Maxim Integrated

MAX491CPD  

Drivers, Receivers, Transceivers

MAX491CPD Description

The MAX491CPD is a high-performance transceiver designed and manufactured by Analog Devices Inc./Maxim Integrated. This full-duplex transceiver features a single driver and receiver, operating within a data rate of 2.5 Mbps. It is designed to support RS422 and RS485 protocols, making it suitable for various communication applications. The MAX491CPD operates within a wide supply voltage range of 4.75V to 5.25V and has a receiver hysteresis of 70 mV, ensuring reliable signal transmission and reception.

MAX491CPD Features

• Single Driver and Receiver: The MAX491CPD features a 1/1 driver/receiver configuration, providing full-duplex communication capabilities.
• Wide Operating Temperature Range: With an operating temperature range of 0°C to 70°C, the MAX491CPD is suitable for a variety of environments.
• Low Voltage Operation: The transceiver operates with a supply voltage between 4.75V and 5.25V, making it suitable for low-power applications.
• High Receiver Hysteresis: The 70 mV receiver hysteresis ensures reliable signal detection and reduces the risk of false triggering.
• RS422 and RS485 Compatibility: The MAX491CPD supports both RS422 and RS485 protocols, providing flexibility in communication applications.
• Through-Hole Mounting: The MAX491CPD is available in a through-hole package, making it easy to integrate into existing designs.
• Obsolete Status: While the MAX491CPD is considered obsolete, it may still be available through certain distributors or as a legacy component in existing systems.

MAX491CPD Applications

The MAX491CPD is ideal for a variety of communication applications, including:

1. Industrial Control Systems: The MAX491CPD's robust performance and compatibility with RS422 and RS485 make it suitable for use in industrial control systems, where reliable communication is critical.
2. Data Acquisition Systems: The transceiver's ability to handle data rates up to 2.5 Mbps makes it well-suited for data acquisition systems, where high-speed data transfer is required.
3. Telecommunication Equipment: The MAX491CPD can be used in telecommunication equipment, where signal integrity and reliability are essential.
4. Automotive Applications: The wide operating temperature range and low voltage operation make the MAX491CPD suitable for automotive applications, where components must withstand harsh environmental conditions.

Conclusion of MAX491CPD

The MAX491CPD is a versatile and reliable transceiver, offering full-duplex communication capabilities with support for RS422 and RS485 protocols. Its wide operating temperature range, low voltage operation, and high receiver hysteresis make it suitable for a variety of applications, including industrial control systems, data acquisition systems, and telecommunication equipment. While the MAX491CPD is considered obsolete, its unique features and advantages may still make it a valuable component in certain applications or as a legacy part in existing systems.

MAX491CPD Documents

Download datasheets and manufacturer documentation for MAX491CPD