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Analog Devices MAX22420/1 and MAX22820/1 2-Ch Digital Isolators are reinforced, ultra-low-power digital galvanic isolators implementing Analog Devices’ proprietary process technology. The MAX22420/1 offer reinforced isolation with a withstand voltage rating of 3kVRMS for 60 seconds. Meanwhile, the MAX22820/1 feature reinforced isolation with a withstand voltage rating of 5kVRMS for 60 seconds. All the devices operate at an ambient temperature from -40°C to +125°C.
Analog Devices MAX22420/1 and MAX22820/1 2-Ch Digital Isolators transfer digital signals between circuits with different power domains, using a small 90.7μW per channel at 1Mbps (1.8V supply). The ultra-low-power reduces system dissipation, increases reliability, and enables compact designs.
The MAX22420/1 and MAX22820/1 are offered with a glitch rejection filter of either 29ns or 70ns (typ) and with default-high or default-low outputs. Additionally, the devices provide low propagation delay and low clock jitter, which reduces system latency. The devices are suitable for use as level translators with independent 1.71V to 5.5V supplies on each side.
The MAX22420/MAX22820 feature two channels transferring data in the same direction. The two channels of the MAX22421/MAX22821 transfer data in opposite directions.
