The MAX22517AWA+ is a dual-channel digital galvanic isolator with an integrated field-side power supply built on Max im's proprietary process technology. Field-side power is supplied from the logic side using an integrated isolated DC-DC converter. This approach eliminates the need for bulky and expensive external isolated power supplies when the field side of the power supply is small. All devices in this series feature basic isolation with a withstand voltage rating of 3.5kVRMS for 60 seconds of continuous operation or 445VRMS of continuous operation. With one resistor on each input, the input MAX22517AWA+ can withstand 1.2/50μs surge pulses up to ±2kV (common-mode) between inputs or up to ±1kV (differential) between inputs and field ground, and continuous short-circuits to 24VAC.

The MAX22517AWA+ provides a compact, reliable, and cost-effective solution for industrial applications such as IoT, industrial network systems, and building automation. Both sides of the isolator are powered from a single 3.0V supply to a 5.5V supply on the logic side, which also sets the output logic levels. The two channels of the MAX22517AWA+ carry data from the field side to the logic side and are always enabled. Each output is high when the corresponding input is high; each output is low when the corresponding input is high.