BUY HCPL-2231 https://www.utsource.net/itm/p/11761139.html

Description: The HCPL-2231 is an optically coupled isolator consisting of an AlGaAs LED and an integrated high gain photo detector. Features: High speed: tPHL/tPLH = 8 ns max High isolation voltage: BV = 2500 Vrms Low input current: IIN = 5 μA max Low output saturation voltage: VCE(sat) = 0.4 V max High common mode transient immunity: CMR = 25 kV/μs High common mode rejection: CMR = 60 dB min Applications: Industrial process control Power supply control Motor control Instrumentation Data acquisition systems Telecommunication systems (For reference only)