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PS9821-2 - PHOTOCOUPLER

Download the PS9821-2 datasheet PDF. This datasheet also covers the PS9821-1 variant, as both devices belong to the same photocoupler family and are provided as variant models within a single manufacturer datasheet.

General Description

The PS9821-1 and PS9821-2 are active-low type high-speed photocouplers that use a GaAlAs 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.

Key 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. ).
  • 40% reduction of mounting area (5-pin SOP × 2).
  • High-speed (15 Mbps).
  • High isolation voltage (BV = 2 500 Vr. m. s. ).
  • Open collector output.
  • Ordering number of tape product : PS9821-1-F3, F4: 1 500 pcs/reel : PS9821-2-F3, F4: 1 500 pcs/reel.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (PS9821-1-CEL.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number PS9821-2
Manufacturer CEL
File Size 411.30 KB
Description PHOTOCOUPLER
Datasheet download datasheet PS9821-2 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
PHOTOCOUPLER PS9821-1,-2 HIGH CMR, 15 Mbps OPEN COLLECTOR OUTPUT TYPE 8-PIN SSOP (SO-8) 3.3 V HIGH-SPEED PHOTOCOUPLER −NEPOC Series− DESCRIPTION The PS9821-1 and PS9821-2 are active-low type high-speed photocouplers that use a GaAlAs 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.