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The PS323CUA is a dual SPST analog switch IC manufactured by Diodes Incorporated, housed in an 8-MSOP surface-mount package. It operates on a single supply voltage ranging from 4.5V to 16V or a dual supply of ±2.25V to ±8V. The device features a maximum on-resistance of 35 Ohms and low charge injection of 8pC. Key electrical specifications include a maximum leakage current of 100pA, a crosstalk rejection of -85dB at 1MHz, and a channel-to-channel matching of 300mΩ. It supports a maximum operating temperature of +70°C and includes protection against electrostatic discharge.
Verify the specific suffix 'CUA' against the manufacturer's latest datasheet to confirm pinout and package dimensions. Confirm RoHS compliance status as manufacturing processes may update over time. Check for end-of-life notices or obsolescence warnings before finalizing procurement plans.
Select this component when dual isolated analog switches are required within a compact MSOP footprint. Ensure the application voltage stays within the 4.5V to 16V single supply range. Consider the 35 Ohm on-resistance limit for signal attenuation requirements in the design phase.
This part belongs to the PS32x series of analog switches from Diodes Incorporated. It shares functional similarities with other devices in the family but differs in package type and specific electrical tolerances. It serves as a discrete solution for signal path management in mixed-signal circuits.
Publicly confirmed substitutes include the MAX320CUA+ from Analog Devices Inc./Maxim Integrated. Verify pin compatibility and electrical parameter alignment before substitution.