4DIR1421HA

Overview

Quad-channel digital isolator 4DIR1421HA in DSO-16 wide-body package

The 4DIR1421HA (with 3 forward channels) is AEC-Q100 qualified and provides robust reinforced isolation for high-voltage automotive applications. Four data channels allow for simplified and high-power density designs and improve system efficiency with low power consumption. With a wide supply voltage range, active-low output enable, and default high output state, it is a perfect fit for SPI communication interface where reinforced isolation is required.

Summary of Features

  • Data rates up to 40 Mbps
  • Supply voltage: 2.7 V – 6.5 V
  • VISO of 5700 VRMS
  • Low current consumption 6.4m mA @ 1 Mbps
  • CMTI: 100 kV/µs (min)
  • Operating temperature: -40 to 125°C

Benefits

  • High immunity against system noise
  • Higher system efficiency
  • Reliable high default output state
  • Simplified system certification
  • Easy device replacement
  • Alternative sourcing

Potential Applications

Support