The MAX489CBD from Maxim Integrated is a monolithic integrated circuit designed for bidirectional data communication on multipoint bus-transmission lines. It is intended for balanced data transmission and complies with EIA Standards RS-485 and RS-422. The MAX489CBD is a low-power device featuring slew-rate-limited drivers that minimize EMI and reduce reflections caused by improperly terminated cables, making it ideal for applications that require a high degree of signal integrity.

Key Features

• Low Quiescent Current: The device operates with a low supply current, typically 120µA, making it suitable for power-sensitive applications.
• Single 5V Supply: The MAX489CBD operates from a single 5V supply, simplifying power supply design.
• Slew-Rate Limiting: Reduced slew rates help prevent data corruption during transmission over long or poorly terminated cables.
• High Speed: Despite its slew-rate limiting feature, the device supports data rates up to 2.5Mbps.
• Thermal Shutdown: An integrated thermal shutdown feature protects the device from damage due to excessive power dissipation.
• Extended Temperature Range: The MAX489CBD is designed to operate over a wide temperature range, from -40°C to +85°C, accommodating industrial environments.
• Fail-Safe Receiver: Even when the input is open, shorted, or idle, the receiver output remains in a high state, ensuring a fail-safe condition for the connected systems.

Applications

The MAX489CBD is versatile for various applications, including industrial control, telecommunications, and network servers and stations. Its robust design ensures reliable data transmission in harsh environments, making it a preferred choice for designers who require a dependable communication interface.

Package and Quality

Offered in a compact 14-pin SOIC package, the MAX489CBD is designed for space-constrained applications. Maxim Integrated provides high-quality products with rigorous testing to ensure performance and reliability, making this device a reliable component for your communication needs.