Four-channel digital isolator with 150 Mbps throughput
The Analog Devices ADUM141D0BRWZ is a four-channel, unidirectional digital isolator from the iCoupler family, built on magnetic coupling technology. It delivers a 150 Mbps data rate across a 3750 Vrms isolation barrier, with propagation delay held to 13 ns max and pulse-width distortion under 3 ns. The 3/1 channel arrangement — three forward, one reverse — maps directly to a standard SPI bus (SCLK, MOSI, MISO forward; chip-select return) without needing a second device.
Isolation rating and common-mode transient immunity
Rated for 3750 Vrms isolation, this part suits industrial equipment, motor drives, and medical devices where reinforced isolation is specified. The 75 kV/µs minimum common-mode transient immunity means data stays intact through fast voltage swings on the isolation barrier — a common failure point in inverter-fed motor drives and switched-mode power supplies. At 125 °C maximum operating temperature, it holds up in sealed enclosures and under-hood environments without derating the data rate.
Package, supply, and temperature grade
Housed in a 16-pin SOIC wide-body (7.50 mm width), surface-mount package. ROHS3 compliant.
Lifecycle and sourcing posture
For dual-sourcing consideration, the ADUM142D0BRWZ offers the same data rate and isolation rating with a 2/2 channel split (two forward, two reverse) — a direct parametric alternative if the channel direction count fits the design.