ADM3251EARWZ-REEL，liner Digital isolator Analog Devices Inc. IsoPower®, iCoupler® package rewind technology magnetic coupling type RS232 Isolated power supply be port number Two Input-Side 1/ Side 2 1/1 Channel type one-way Voltage-isolation 2500Vrms Common-mode transient immunity (minimum) 25kV/µs data rate 460Kbps Propagation tpLH/tpHL (maximum) 135ns，190ns Pulse width distortion (maximum) - Rise/fall time (typical) 2.3ns，2.3ns Voltage-power supply 4.5V ~ 5.5V Working temperature -40°C ~ 85°C Installation type Surface mount type Package/housing 20-SOIC(0.295",7.50mm wide) Supplier device package 20-SOIC