**High-Performance Isolation Using the ADUM3220BRZ Dual-Channel Digital Isolator**

In modern electronic systems, ensuring robust signal integrity and safety across different voltage domains is a critical design challenge. Isolation components are essential to protect sensitive low-voltage circuitry from high-voltage sections, prevent ground loops, and enhance noise immunity. The **ADuM3220BRZ**, a dual-channel digital isolator from Analog Devices, stands out as a high-performance solution for applications requiring reliable galvanic isolation.

This device utilizes Analog Devices’ proprietary **iCoupler® technology**, which replaces traditional optocouplers with a coreless transformer-based isolation method. The **ADuM3220BRZ** offers reinforced isolation of up to 5 kV RMS, making it suitable for industrial automation, motor control, power supply systems, and renewable energy applications where high voltage spikes and noise are common. Each channel provides independent isolation paths with high data rate capability—up to 15 Mbps—ensuring accurate digital signal transmission without latency or signal degradation.

One of the key advantages of the **ADuM3220BRZ** is its **high common-mode transient immunity (CMTI)**, exceeding 75 kV/μs. This feature ensures that the isolator remains immune to rapid voltage transients between its input and output grounds, thereby maintaining signal integrity in electrically noisy environments. Additionally, the device operates with a wide supply voltage range (3.0 V to 5.5 V), offering flexibility in interfacing with various logic families.

Compared to optocouplers, the **ADuM3220BRZ** delivers higher reliability, lower power consumption, and better temperature stability. Its integrated architecture reduces external component count, simplifies board layout, and saves valuable PCB space. The device is also compliant with international safety standards including UL, CSA, and VDE, providing engineers with a certified solution for safety-critical designs.

In summary, the **ADuM3220BRZ** is a robust, high-speed dual-channel digital isolator that addresses the needs of modern high-noise, high-voltage applications. Its combination of high isolation strength, excellent noise immunity, and compact form factor makes it an ideal choice for designers seeking performance and safety.

**ICGOODFIND**: The ADuM3220BRZ exemplifies how advanced isolation technology can enhance system reliability and efficiency in demanding environments.

**Keywords**: Digital Isolator, iCoupler Technology, Galvanic Isolation, Common-Mode Transient Immunity, High Voltage Isolation.