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SCM3721ASA

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General Purpose Digital Isolator 3000Vrms 2 Channel 150kbps 100kV/µs CMTI 8-SOIC (0.154″, 3.90mm Width)

46.00 (excluding 18% GST)

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Description

The SCM3721ASA/SCM3723ASA digital isolators by using maturated standard semiconductor CMOS technology and Capacitance pulse isolation technology, these isolation components provide outstanding performance characteristics and reliability superior to alternatives such as op to coupler devices and other integrated isolators. Capacitance pulse isolation technology is a new generation digital isolator technology . It uses the principle of capacitor voltage divider to transmit voltage signal directly cross the isolator capacitor without signal modulation and demodulation. The SCM3721ASA/SCM3723ASA isolator data channels are independent and different models have different transmission directions with a with stand voltage rating of 3 kV rms and the data rate from DC up to 150Kbps . The devices operate with the supply voltage on either siderangingfrom3.0 V to 5.5 V, providing compatibility with lower voltage systems as well as enabling voltage translation functionality across the isolation barrier. The fail-safe state is available in which the outputs transition to a preset state when the input power supply is not applied.

Applications

 General-purpose multichannel isolation
 Industrial field bus isolation

Features

 3 V to 5.5 V level translation
 High common-mode transient immunity: 150 kV/µs typical
 High robustness to radiated and conducted noise
 High ESD rating
 Ultra low power consumption 0.55mA/channel(150Kbps)
 Wide temperature range: -40°C ~ 125°C
 Isolation voltages: AC 3000Vrms
 High data rate:150kbps

Data Sheet

SCM3721A

Note

Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

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