PS9821-2-V-AX

Logic Output Optoisolators Overview

The PS9821-2-V-AX is a high-speed logic output optocoupler manufactured by Renesas Electronics Corporation. It features two independent channels with an open-collector output configuration, housed in an 8-SSOP surface-mount package. The device supports a data rate of 15 Mbps and provides an isolation voltage of 2500 Vrms. Key electrical parameters include a maximum forward current of 15 mA, a typical forward voltage of 1.65 V, and a supply voltage range of 2.7 V to 3.6 V. Propagation delays are specified at a maximum of 75 ns for both low-to-high and high-to-low transitions, with rise and fall times of 20 ns and 5 ns respectively. The unit operates within a temperature range of -40°C to 85°C.

Logic Output Optoisolators Feature Summary

• High-speed signal transmission capability supporting 15 Mbps data rates for efficient digital communication.
• Robust insulation performance with 2500 Vrms isolation voltage ensuring safe separation between circuits.
• Enhanced noise immunity characterized by a minimum common-mode transient susceptibility of 15 kV/µs.
• Compact surface-mount design utilizing an 8-SSOP package suitable for space-constrained applications.

Logic Output Optoisolators Applications

• Industrial automation systems requiring reliable signal isolation
• Communication equipment interfaces needing high-speed data transfer
• Power electronics control circuits demanding galvanic isolation

Logic Output Optoisolators Procurement Notes

Verify the specific suffix designation against official Renesas documentation to confirm exact packaging and variant specifications. Confirm component status as this part may be designated as not recommended for new designs depending on the revision. Ensure compatibility with existing PCB footprints and verify RoHS compliance status prior to integration into production schedules.

Logic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required alongside high-speed data transmission capabilities. Consider the 2.7 V to 3.6 V supply voltage range to ensure compatibility with downstream logic levels. Evaluate the 15 kV/µs CMTI rating against the noise environment of the application to guarantee signal integrity under transient conditions.

Logic Output Optoisolators Part Context

This device belongs to the NEPOC series from Renesas Electronics, designed for applications requiring fast switching speeds and high reliability. The PS9821 family integrates LED drivers and photodetectors on a single chip to minimize size while maximizing performance metrics such as propagation delay and isolation voltage compared to standard discrete optocouplers.

Logic Output Optoisolators Replacement Considerations

Direct substitutes include PS9821-2-F3-AX. Verify pinout compatibility and electrical parameter equivalence before substitution.