Four-channel digital isolator with 150 Mbps throughput
It supports a 150 Mbps data rate with 13 ns max propagation delay in each direction, making it suitable for high-speed signal isolation in industrial fieldbus, motor-drive feedback, and medical patient-interface applications.
75 kV/µs CMTI — what it means for motor-drive and inverter designs
A common-mode transient immunity (CMTI) of 75 kV/µs minimum means this isolator can reject fast voltage transients that couple across the barrier during IGBT or SiC MOSFET switching events. In a motor-drive or solar-inverter application where the ground plane jumps several hundred volts in nanoseconds, a lower CMTI part would latch up or corrupt data. The ADUM241D1BRIZ holds the data path clean through those edges, which is the difference between a reliable gate-drive feedback loop and a system that resets on every commutation.
Supply voltage flexibility and channel assignment
The 3/1 input-to-output channel split (three channels from Side 1 to Side 2, one reverse-direction channel) fits the typical SPI or UART isolation pattern where the clock, data, and chip-select go forward and the MISO or status line returns. Rise and fall times are 2.5 ns typical, keeping signal integrity clean at 150 Mbps without excessive edge-rate ringing.