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Data Sheet
PS9821-1,-2
HIGH CMR, 15 Mbps OPEN COLLECTOR OUTPUT TYPE 8-PIN SSOP (SO-8) 3.3 V HIGH-SPEED PHOTOCOUPLER
R08DS0260EJ0100 Rev.1.00
Dec 17, 2021
DESCRIPTION
The PS9821-1 and PS9821-2 are active-low type high-speed photocouplers that use an AlGaAs light-emitting diode on the input side and a photodetector IC that includes a photodiode and a signal processor on the same chip on the output side. The PS9821-1, -2 are designed specifically for high common mode transient immunity (CMR) and low pulse width distortion, PS9821-2 is suitable for high density applications.
FEATURES
• Low power consumption (VCC = 3.3 V) • Pulse width distortion (tPHL−tPLH = 35 ns MAX.) • High common mode transient immunity (CMH, CML = ±15 kV/µs MIN.