Digital isolators eliminate conducting ground loops

21st December 2022
Mick Elliott

Mouser Electronics is now stocking the NCID9210 bi-directional ceramic digital isolators from onsemi.

These devices are galvanically isolated full-duplex, bi-directional, high-speed dual-channel digital isolators offered in a 16-pin wide-body small outline package.

The NCID9210 supports isolated communications allowing digital signals to communicate between systems without conducting ground loops or hazardous voltages.

The digital isolators implement the patented galvanic off-chip capacitor isolation technology and optimised IC design to achieve high insulation and high noise immunity.

These features are characterised by high common-mode rejection and power supply rejection specifications.

Typical applications for the onsemi NCID9210 digital isolators include isolated PWM control, industrial field bus communications, microprocessor system interfaces (SPI, I2C, etc.), programmable logic control, isolated data acquisition systems, and voltage level translators.

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