**ADN4624BRNZ: A High-Speed, Quad-Channel Digital Isolator for Robust Industrial Communication**

The relentless drive towards industrial automation and the Industrial Internet of Things (IIoT) demands communication systems that are not only fast but also exceptionally reliable in electrically harsh environments. At the heart of such systems lies the critical need for signal isolation—a technology that protects sensitive logic-level circuits from damaging high voltages, ground loops, and noise. The **ADN4624BRNZ from Analog Devices** emerges as a premier solution, engineered to meet these stringent demands with its high-speed performance and robust design.

This quad-channel digital isolator is a standout component built on Analog Devices' proprietary **iCoupler® technology**. Unlike traditional optocouplers, which rely on LEDs and photodiodes and suffer from slow speed, aging effects, and high power consumption, the ADN4624BRNZ uses chip-scale transformers to transfer data across an isolation barrier. This fundamental architectural advantage enables it to achieve **remarkable data rates of up to 150 Mbps** per channel while maintaining impeccable signal integrity. This high bandwidth is crucial for modern industrial applications, including programmable logic controllers (PLCs), motor control systems, and data acquisition modules, where the rapid transfer of data and control signals is paramount.

Beyond its speed, the **ADN4624BRNZ excels in providing robust isolation**, certified to withstand up to 5 kV RMS for one minute. This high isolation voltage ensures dependable operation and protection for equipment connected to high-voltage industrial buses or motor phases. Furthermore, it offers **superior noise immunity and transient immunity**, featuring a common-mode transient immunity (CMTI) of over 100 kV/µs. This means the device can reject extremely fast noise spikes on the ground line, preventing false data transmission and ensuring communication integrity in the presence of switching inverters, large motors, and other potent sources of electromagnetic interference (EMI).

The device integrates four independent isolation channels, which can be configured with various channel orientations (e.g., 3 channels in one direction and 1 in the opposite), offering designers significant flexibility in system architecture. It also features **low power consumption and low propagation delay**, enhancing overall system efficiency and real-time response capabilities. Housed in a compact, narrow-body SOIC package, it provides high performance without sacrificing valuable board space.

**ICGOO**

**DFIND**

In summary, the ADN4624BRNZ is a high-performance enabler for next-generation industrial systems. **ICGOODFIND**: The ADN4624BRNZ is a superior quad-channel isolator that delivers a critical combination of **blazing 150 Mbps speed**, **robust 5 kV RMS isolation**, and **exceptional noise immunity**, making it an indispensable component for ensuring reliability and performance in demanding industrial automation and communication designs.

**Keywords**: High-Speed Isolation, Industrial Communication, iCoupler Technology, Noise Immunity, kV RMS Isolation.