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ADUM140E1BRWZ-RL

ADUM140E1BRWZ-RL

Analog Devices
Digital Isolators IC, Robust Quad ISO, 4:0 ch
NRND11,112 in stock
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Overview

The ADUM140E1BRWZ-RL is a quad-channel digital isolator based on Analog Devices iCoupler technology, providing 4 forward channels and 0 reverse channels. It offers high-speed data transmission up to 150 Mbps while maintaining robust electromagnetic immunity and low emissions. This component is designed to replace traditional optocouplers in high-performance system designs requiring reliable galvanic isolation.

Why Choose This Part

It features a high common-mode transient immunity (CMTI) of 100 kV/microsecond, ensuring data integrity during fast voltage swings. The iCoupler architecture eliminates the performance degradation over time typically seen in LED-based optocouplers. Additionally, it offers a wide supply voltage range from 1.8V to 5V for flexible interfacing with various logic levels.

Applications

General-Purpose Multichannel Isolation
Provides signal isolation for SPI, UART, or parallel data buses in noisy environments.
Industrial Field Bus Isolation
Protects sensitive logic from high-voltage transients in RS-485, RS-232, and CAN networks.
Motor Control Gate Drive Interface
Isolates the PWM control signals between the MCU and high-side gate drivers.
Battery Management Systems
Safe communication across different voltage domains in large-scale energy storage arrays.

Getting Started

Designers can evaluate this part using the EVAL-ADUM140EEBZ evaluation board which provides access to all channels via headers and SMA connectors. Ensure proper PCB layout with clear creepage and clearance distances between the primary and secondary ground planes to maintain isolation ratings. Decouple all VDD pins with 0.1 microfarad ceramic capacitors placed as close to the IC pins as possible.