ADM1490EBRZ-REEL7: High-Speed, 3V RS-485/RS-422 Transceiver with Enhanced ESD Protection

Release date:2025-09-12 Number of clicks:55

**ADM1490EBRZ-REEL7: High-Speed, 3V RS-485/RS-422 Transceiver with Enhanced ESD Protection**

In the realm of industrial communication, robust and reliable data transmission is paramount. The **ADM1490EBRZ-REEL7** from Analog Devices stands out as a critical component designed to meet these demanding requirements. This integrated circuit is a **high-speed, low-power, 3.3V RS-485/RS-422 transceiver** that excels in applications where electrical noise, long cable runs, and harsh environments are common challenges.

Engineered for performance, the ADM1490EBRZ-REEL7 supports data rates of up to **16Mbps**, making it suitable for high-speed networks in industrial automation, building control systems, and telecommunications infrastructure. Its **3.3V operating voltage** ensures compatibility with modern low-power microcontrollers and DSPs, reducing overall system power consumption without sacrificing speed or integrity.

A defining feature of this transceiver is its **robust Enhanced ESD protection**. With protection levels of **±15kV (Human Body Model) on the bus pins**, it offers superior resilience against electrostatic discharge events that commonly occur during installation or handling. This significantly enhances system durability and reduces field failures, providing engineers with greater design margin and reliability.

The device incorporates a **1/8-unit load receiver input impedance**, allowing up to 256 transceivers to be connected on a single bus. This scalability is essential for creating large, multi-node networks. Furthermore, it features **true fail-safe receiver inputs**, which guarantee a logic-high output when the bus is open, shorted, or idle, preventing erroneous data reception.

The ADM1490EBRZ-REEL7 is offered in a compact **SOIC package** and is available in a tape-and-reel (REEL7) format, optimized for automated assembly processes in high-volume manufacturing. Its combination of speed, low voltage operation, and exceptional ruggedness makes it an ideal solution for designing next-generation industrial communication interfaces.

**ICGOODFIND**: The ADM1490EBRZ-REEL7 is a premier choice for engineers seeking a reliable, high-performance transceiver that addresses the core challenges of industrial data links, offering an optimal blend of speed, low power, and unmatched protection.

**Keywords**: RS-485 Transceiver, Enhanced ESD Protection, 16Mbps Data Rate, 3.3V Operation, Fail-Safe Receiver

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