Two-channel digital isolator in an SOIC-8 — what the 2500 Vrms rating buys you
The ADUM1200BRZ-RL7 is a dual-channel, unidirectional digital isolator from Analog Devices' iCoupler® family, built around magnetic coupling rather than the older optocoupler approach. It delivers 2500 Vrms isolation between the input and output sides, enough for basic reinforced isolation in mains-powered industrial equipment, motor drives, and isolated data interfaces. The two channels run the same direction — both inputs on side 1, both outputs on side 2 — which makes it a straight drop-in for isolating two digital signals like UART TX/RX or a pair of GPIO lines. That puts it in the sweet spot for SPI clock lines up to 10 MHz, asynchronous serial at standard baud rates, and general-purpose logic isolation where you need clean edges without excessive delay. Common-mode transient immunity is specified at 25 kV/µs minimum, which matters when the isolator sits across a noisy ground plane in a VFD or switching power supply — fast voltage transients won't glitch the output.
Package and rework — SOIC-8, no surprises
No exposed pad, no thermal-via stitching to worry about — just the usual SOIC-8 footprint with 1.27 mm pitch. That means it reflows cleanly and is straightforward to hand-rework with hot air; the body stays cool enough that you can lift it without cooking the board or the adjacent parts. If you are prototyping, the Cut Tape option lets you buy a few pieces without committing to a full reel.