PS9821-2-F3-AX

Logic Output Optoisolators Overview

The PS9821-2-F3-AX is a high-speed optocoupler manufactured by Renesas Electronics Corporation. It features two channels with open collector outputs, providing 2500 Vrms isolation voltage. The device supports a data rate of 15 Mbps and offers a common mode transient immunity (CMTI) of 15 kV/µs. Operating within a supply voltage range of 2.7 V to 3.6 V, it utilizes an 8-pin SSOP package. Key electrical parameters include a maximum forward current of 15 mA, typical forward voltage of 1.65 V, and output current capability of 25 mA per channel.

Logic Output Optoisolators Feature Summary

• Provides galvanic isolation for digital circuits with high common mode transient immunity.
• Features dual-channel configuration with open collector logic outputs.
• Supports high-speed data transmission rates suitable for demanding communication interfaces.

Logic Output Optoisolators Applications

• Digital isolation in industrial automation systems
• Signal isolation in measurement and control equipment
• Galvanic separation in communication interface circuits

Logic Output Optoisolators Procurement Notes

Verify the specific suffix F3-AX to ensure correct packaging and lead-free compliance. Confirm RoHS status and moisture sensitivity level requirements against project specifications. Check for obsolescence notices as product lifecycle status may vary. Ensure compatibility with existing PCB footprint designs for the 8-SSOP package before finalizing procurement orders.

Logic Output Optoisolators Selection Notes

Select this component when dual-channel isolation with high speed is required. The open collector output type necessitates external pull-up resistors for proper logic level translation. Verify that the operating temperature range of -40°C to 85°C meets environmental conditions. Consider the 15 Mbps data rate limit when designing for higher bandwidth applications.

Logic Output Optoisolators Part Context

This part belongs to the NEPOC series of high-speed photocouplers from Renesas. It is designed to replace older generation optocouplers requiring improved noise immunity and faster switching speeds. The PS9821 family typically integrates GaAs infrared LEDs with silicon photodetectors on a single chip for compact isolation solutions.

Logic Output Optoisolators Replacement Considerations

Check for direct pin-compatible substitutes within the PS9821 family, such as single-channel variants if only one channel is needed. Verify equivalent CMTI ratings and propagation delay characteristics when considering alternatives from other manufacturers to ensure signal integrity is maintained.