Use it when you connect two systems with different power supply voltage, or connect to noisy systems. It can be completely separated including the ground for convenience.
The built-in ILD213T chip has LED and photo transistor to pass signals through light. Therefore, it is called light isolator.
2 Channels However, both two channels can only be used in the same direction. Therefore, it cannot be used for signal back/forth in a single module.
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This product has been assigned by Switch Science.