Standard Digital Isolators

Toshiba Standard Digital Isolators have low pulse distortion and high CMTI, which are required for isolation of high-speed signaling, and are applicable to a wide range of consumer and industrial applications. In particular, the isolation transformer circuit offers high CMTI by adopting the magnetic coupling method developed by Toshiba.

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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
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Technical Articles

Standard Digital Isolators

Isolated 4 channel logic supporting 150Mbps data rate
For use in industrial control applications like the isolation of bus lines between ICs using different power supply source in different potential, or the suppression of external noise via a data line, Toshiba standard digital isolators transmit at a data rate over 100Mbps higher than photocouplers can achieve.

Standard Digital Isolators

Over 100kV/μs high Common Mode Transient Immunity (CMTI)
Toshiba standard digital isolators utilize their own unique topology of magnetic coupling and shutout common-mode noise to provide a high CMTI.

Standard Digital Isolators

What is the isolation life of the standard digital isolator "DCL54x01"?
Isolation life of the standard digital isolator can be predicted by applying the same concept as MOSFET gate-oxide breakdown over time (TDDB: Time Dependent Dielectric Breakdown [Note 1]).

Standard Digital Isolators

Standard Digital Isolator with Robust Electromagnetic Compatibility (EMC)
At manufacturing sites where automation is progressing, FA equipment such as inverters/servos and PLCs are operating in the same equipment.

Standard Digital Isolators

What is the impulse voltage tolerance of the standard digital isolator "DCL54x01"?
For inverter systems used in industrial applications, indices related to insulation are defined in the International Standard IEC 61800-5-1 "Adjustable speed electrical power drive system – Safety requirements” [Note 1].

Standard Digital Isolators

Pulse Width Distortion (PWD) 3ns (max) corresponds to 150Mbps high-speed communication
Toshiba's standard 4 channel digital isolators improve PWD within 3ns, perform clear eye patterns and offer a maximum data rate corresponding to 150 Mbps what is enabled by high carrier frequency and on-off keying control.

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