PS9821 Overview
NEC’s PS9821 is an optically coupled high-speed isolator containing a GaAlAs LED on the input side and a photodiode and a signal processing circuit on the output side on one chip.
PS9821 Key Features
- Supply Voltage 3.3V
- Open collector output
- High mon mode transient immunity (CMH, CML = ±15 kV/µs Min.)
- Small package (SO8)
- High-speed (10 Mbps)
- High isolation voltage (BV = 2 500 Vr.m.s.)
