BUY HP2231. https://www.utsource.net/itm/p/4524059.html

Description: The HP2231 is an 8-pin dual-channel optocoupler from Avago Technologies. Features: High Common Mode Rejection Ratio (CMRR) of 1000V/μs High-speed switching of up to 10 Mbps Low input current of 1 mA Low output saturation voltage of 0.4V High isolation voltage of 5000Vrms Operating temperature range of -40°C to +85°C Applications: The HP2231 is suitable for use in a wide range of applications including motor control, power supplies, and industrial automation. It can also be used for signal isolation and protection in communication systems. (For reference only)