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CA-IS3721 Datasheet High-speed Dual-channel Digital Isolators

Manufacturer: Chipanalog

Overview: Shanghai Chipanalog Microelectronics Co., Ltd. CA-IS3720, CA-IS3721, CA-IS3722 Version 1.06 CA‐IS372x High‐Speed Dual‐Channel Digital Isolators 1.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The CA‐IS372x devices are high‐performance dual ‐ channel digital isolators with up to 3.75kVRMS (narrow‐ body package) and 5kVRMS (wide‐body package) isolation rating and ultra‐fast data rate.

The CA‐IS372x devices provide high electromagnetic immunity and low emissions at low power consumption, while isolating CMOS digital I/O.

Each isolation channel has a logic input and output buffer separated by capacitive silicon dioxide (SiO2) insulation barrier, and each channel input integrated Schmitt trigger to provide excellent noise immunity.

Key Features

  • Data rate: DC to 150Mbps.
  • Robust isolation barrier.
  • High lifetime: >40 years.
  • Up to 5000 VRMS isolation rating (Wide body packages).
  • ±150 kV/μs typical CMTI.
  • Wide supply range: 2.5V to 5.5V.
  • Wide operating temperature range: ‐40°C to 125°C.
  • No start‐up initialization required.
  • Default output High (CA‐IS372xH) and Low (CA‐ IS372xL) Options.
  • High electromagnetic immunity.
  • Low power consumption.
  • 1.5mA per c.

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