150 Mbps quad-channel capacitive isolator for industrial signal isolation
The Texas Instruments ISO7240MDWG4 is a quad-channel, unidirectional digital isolator using capacitive coupling, rated for 150 Mbps and 2500 Vrms isolation.
Propagation delay is 23 ns max (both tpLH and tpHL), with pulse-width distortion of 2 ns max. The 25 kV/µs CMTI ensures the output doesn't glitch across a noisy barrier.
That gives procurement a stable planning horizon for ongoing production. However, this is a single-source part from Texas Instruments — no second-source cross-reference is listed.
Package and mounting — 16-SOIC wide-body
The wide-body SOIC-16 provides the creepage distance needed to maintain the 2500 Vrms isolation rating across the PCB — standard SOIC-8 or narrow SOIC-16 packages would not meet the same clearance.
