The CA-IS3720HG is an 8-pin WB SOIC-8 RoHS compliant digital isolator manufactured by Chipanalog. It is designed to provide galvanic isolation and signal isolation for systems and components. It features a 1-bit digital isolator with low power consumption, fast switching speed, wide temperature operation, and a fixed 5 kV Isolation voltage. The device has a DC Input range of 0-5V, a maximum Propagation Delay of 1s at 3MHz, and a Logic High Output level of 100mV minimum. It's suitable for galvanic isolation of sensitive data lines including I2C, SPI, RS232, and more.