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SI8420 Datasheet Single and Dual-Channel Digital Isolators

Manufacturer: Silicon Laboratories

Overview: Si8410/20/21 (5 kV) Si8422/23 (2.5 & 5 kV) Data Sheet Low-Power, Single and Dual-Channel Digital Isolators Silicon Lab's family of ultra-low-power digital isolators are CMOS devices offering substantial data rate, propagation delay, power, size, reliability, and external BOM advantages when compared to legacy isolation technologies. The operating parameters of these products remain stable across wide temperature ranges and throughout device service life for ease of design and highly uniform performance. All device versions have Schmitt trigger inputs for high noise immunity and only require VDD bypass capacitors. Data rates up to 150 Mbps are supported, and all devices achieve worst-case propagation delays of less than 10 ns. Ordering options include a choice of isolation ratings (up to 5 kV) and a selectable fail-safe operating mode to control the default output state during power loss. All products are safety certified by UL, CSA, and VDE, and products in wide-body packages support reinforced insulation withstanding up to 5 kVRMS.

Download the SI8420 datasheet PDF. This datasheet also includes the SI8410 variant, as both parts are published together in a single manufacturer document.

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Key Features

  • High-speed operation.
  • DC to 150 Mbps.
  • No start-up initialization required.
  • Wide Operating Supply Voltage:.
  • 2.6.
  • 5.5 V.
  • Up to 5000 VRMS isolation.
  • High electromagnetic immunity.
  • Ultra low power (typical).
  • 5 V Operation:.
  • < 2.6 mA/channel at 1 Mbps.
  • < 6.8 mA/channel at 100 Mbps.
  • 2.70 V Operation:.
  • < 2.3 mA/channel at 1 Mbps.
  • < 4.6 mA/channel at 100 Mbps.

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