The ADUM3402BRWZ is a sophisticated digital isolator produced by Analog Devices, representing an advanced solution in signal and data transmission management. This high-performance integrated circuit belongs to the iCoupler series, specifically designed to provide robust electrical isolation and signal integrity across multiple channels.
Utilizing innovative magnetic coupling technology, the device offers exceptional signal transmission capabilities with four independent channels, enabling precise and secure data transfer between electrically distinct circuits. The isolator can operate across a wide temperature range from -40°C to 105°C, making it suitable for demanding industrial and automotive environments.
Key technical capabilities include a remarkable 2500Vrms isolation voltage, supporting data transmission rates up to 10Mbps with minimal signal distortion. The device demonstrates impressive performance characteristics, including a pulse width distortion of just 3ns and typical rise/fall times of 2.5ns. Its unidirectional channel configuration ensures reliable, one-way signal transmission with a maximum propagation delay of 50ns.
Designed for surface mount applications, the ADUM3402BRWZ comes in a compact 16-SOIC package, compatible with supply voltages between 3V and 5.5V. The isolator provides exceptional common mode transient immunity of 25kV/s, ensuring signal stability in electrically noisy environments.
Primary advantages include enhanced electrical isolation, protection against ground loop interference, and the ability to safely transmit signals across circuits with different ground potentials. This makes the device particularly valuable in industrial control systems, medical equipment, telecommunications infrastructure, and automotive electronics where signal integrity and electrical safety are critical.
Equivalent or alternative models in the iCoupler series include the ADUM3401, ADUM3403, and ADUM3404, which offer similar isolation and signal transmission characteristics with variations in channel count and specific performance parameters.
The device's RoHS compliance and robust design make it an excellent choice for engineers seeking reliable, high-performance digital isolation solutions in complex electronic systems.
ADUM3402BRWZ Key Technical Attributes
ADUM3402BRWZ
4-channel digital isolator
16-SOIC package
ADUM3402BRWZ Packing Size
The product is provided in a manufacturer’s tube packaging, utilizing a 16-pin SOIC (Small Outline Integrated Circuit) form factor. The body width measures 7.50mm, with encapsulation designated as “1050,” and it features surface mount technology for straightforward PCB integration. All 16 pins are configured for general-purpose digital isolation use. The electrical interface supports 3V to 5.5V input supply range, and the device is rated for isolation voltages up to 2500 Vrms. This package is designed to withstand thermal and electrical stress common in industrial and commercial applications.
ADUM3402BRWZ Application
The ADUM3402BRWZ is ideal for a wide range of digital isolation needs, such as industrial automation systems, instrumentation, communication systems, medical devices, and anywhere signal integrity and galvanic isolation are required for safety standards. It isolates data lines between systems operating at different ground potentials, ensuring data integrity and equipment protection.
ADUM3402BRWZ Features
This iCoupler® series digital isolator delivers four unidirectional channels, making it suitable for a variety of digital communication protocols. It uses advanced magnetic coupling technology to provide robust isolation, eliminating the need for optocouplers and their associated design complexities. The device ensures a data rate up to 10 Mbps, with fast signal response due to rise and fall times of approximately 2.5ns. Its pulse width distortion does not exceed 3ns, and propagation delay is limited to 50ns (tpLH/tpHL). The ADUM3402BRWZ is highly resilient to transient disturbances, with a guaranteed common mode transient immunity of at least 25 kV/μs, providing reliable operation in harsh or noisy environments. The device operates reliably across a wide temperature range of -40°C to 105°C.
ADUM3402BRWZ Quality and Safety Features
The ADUM3402BRWZ is engineered for system reliability, providing 2500 Vrms isolation to help protect sensitive components from voltage spikes and surges. It complies with the latest RoHS and safety directives (inventory verification recommended). The absence of internal isolated power simplifies design and reduces fault risk. Its robust isolation barrier is designed to meet rigorous industrial standards and ensures long-term durability.
ADUM3402BRWZ Compatibility
This component is compatible with general-purpose digital isolation requirements and can be seamlessly integrated into circuits requiring 3V to 5.5V operation. It fits standard SOIC-16 pad layouts, supporting easy migration and retrofit into existing subsystems utilizing similar isolation interface devices. Its unidirectional four-channel architecture is well-suited for replacing devices in legacy protocols and modern designs alike.
ADUM3402BRWZ Datasheet PDF
The most comprehensive, up-to-date, and authoritative datasheet for the ADUM3402BRWZ digital isolator is available directly on our website. We highly recommend all customers download the PDF from the current page to gain complete technical and application details, ensuring confident and informed design integration.
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