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The PI5A3158ZAEX is a dual high-bandwidth, fast single-pole double-throw (SPDT) CMOS analog switch manufactured by Diodes Incorporated. It operates over a wide supply voltage range of 1.65V to 5.5V with a maximum on-resistance of 12Ω at 1.65V, 9Ω at 2.3V, and 6Ω at 4.5V. The device features a 250 MHz bandwidth, 57 dB off-isolation at 10 MHz, and 54 dB crosstalk rejection. Control inputs tolerate up to 5.5V independent of VDD. It includes break-before-make switching, ±10 nA off-state leakage current, and 2 kV HBM ESD protection. Operating temperature ranges from –40°C to +85°C in a 12-contact TDFN package.
Verify the component against official datasheets to confirm pinout compatibility and electrical specifications before integration. Ensure that the operating conditions remain within the absolute maximum ratings to prevent permanent damage. Check for RoHS compliance status if environmental regulations apply to the specific manufacturing batch. Confirm the packaging code matches the required reel or cut tape quantity for assembly processes.
Select this component when low voltage operation between 1.65V and 5.5V is required alongside high-speed signal switching. The dual SPDT architecture supports mux/demux functions with minimal propagation delay. Consider the 12-contact TDFN package for space-constrained designs requiring thermal resistance of 350°C/W. Verify control logic levels align with the system's voltage domain given the 5.5V tolerance feature.
The PI5A3158 belongs to the SOTINY family of low-voltage analog switches designed for portable electronics. It serves as a replacement for legacy Pericom Semiconductor parts following industry consolidation. The ZA suffix indicates a lead-free and green compliant 12-contact TDFN package. This series targets applications demanding high bandwidth and low power consumption in compact form factors.
Public confirmed substitute part numbers are not available in the provided documentation.