The MAX490 is a high-performance RS-485 transceiver IC designed for reliable full-duplex communication in industrial automation, embedded systems, and data networking applications. Built using advanced CMOS technology, it delivers low power consumption, fast switching performance, and excellent noise immunity, ensuring stable and accurate data transmission in electrically harsh environments.
Operating at a standard 5V supply voltage, the MAX490 provides strong compatibility with industrial control systems and legacy RS-485 communication networks. Compared to lower-voltage interface ICs, it offers improved signal robustness, enhanced drive capability, and superior long-distance communication stability. Its optimized driver and receiver architecture ensures low propagation delay, enabling efficient and simultaneous bidirectional data transfer in full-duplex mode.
The device features a slew-rate limited driver that reduces electromagnetic interference (EMI) and minimizes signal reflections, making it highly suitable for long cable runs and noise-sensitive environments. Its low quiescent current improves overall system efficiency and reduces thermal stress, ensuring long-term reliability in continuous operation.
Available in both DIP and SOP package types, the MAX490 offers flexible integration for prototyping, compact PCB layouts, and scalable industrial production designs.
Key Features & Applications (Combined)
- RS-485 transceiver with full-duplex communication
- 5V standard operating voltage
- Low power CMOS technology for high efficiency
- Slew-rate limited driver for reduced EMI
- High noise immunity for stable data transmission
- Low propagation delay for accurate communication
- Strong long-distance signal integrity
- Available in DIP and SOP packages
Applications:
- Industrial automation and control systems
- RS-485 full-duplex communication networks
- Building automation and smart infrastructure
- Embedded systems and microcontroller interfaces
- Data acquisition and instrumentation systems
- Security and monitoring systems
- General-purpose differential communication applications
