PS9661-A

Logic Output Optoisolators Overview

The PS9661-A is a high-speed logic output optoisolator manufactured by CEL. It features a push-pull totem pole output capable of driving loads with up to 10 mA current per channel. The device supports data rates of 25 Mbps and offers a propagation delay of 100 ns. It provides an isolation voltage of 3750 Vrms and a common mode transient immunity of ±20 kV/µs. Operating within a temperature range of -40°C, it is housed in an 8-DIP package.

Logic Output Optoisolators Feature Summary

• High-speed response capability supporting 25 Mbps data transmission
• Push-pull totem pole output configuration for robust signal integrity
• High common mode transient immunity of ±20 kV/µs for noise reduction
• Galvanic isolation rated at 3750 Vrms

Logic Output Optoisolators Applications

• Industrial communication systems requiring high noise immunity
• Data acquisition modules needing fast signal isolation
• Motor control interfaces demanding rapid switching speeds

Logic Output Optoisolators Procurement Notes

Verify the specific suffix 'A' matches your design requirements, as it denotes the lead-free variant. Confirm the 8-DIP package footprint aligns with your PCB layout. Ensure the 3750 Vrms isolation rating meets your safety standards. Check the operating temperature range against your environmental conditions. Validate the 25 Mbps speed requirement against your system's maximum data rate needs.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is critical. The push-pull output eliminates the need for external pull-up resistors, simplifying circuit design. Consider the ±20 kV/µs CMTI for environments with significant electrical noise. The 10 mA output current is suitable for direct interfacing with CMOS or TTL logic inputs without additional buffering.

Logic Output Optoisolators Part Context

This part belongs to CEL's SPIRA-CEL series of high-speed photocouplers. It is designed to replace older, slower optoisolators in modern high-frequency applications. The series emphasizes noise reduction and fast response times for reliable data transmission across isolation barriers.

Logic Output Optoisolators Replacement Considerations

Check for pin-compatible alternatives from the same family if supply constraints exist. Verify that any substitute maintains the 25 Mbps data rate and 3750 Vrms isolation. Ensure the replacement also features a push-pull output to avoid circuit redesign.