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The PI5A392AQEX is a monolithic analog switch featuring four normally open (NO) channels designed for low-voltage, single-supply operation. It supports +5V and +3.3V supplies with an analog signal range of 0 V to VCC. Key electrical parameters include an on-resistance (RON) maximum of 18 ohms at 5V and 28 ohms at 3.3V, with a channel-to-channel match of 2 ohms maximum. The device offers a bandwidth of 200 MHz at 5V and 190 MHz at 3.3V, turn-on times up to 40 ns, and off-isolation of -55 dB. It operates within a temperature range of -40°C to +85°C and is housed in a 16-pin QSOP package.
Verify the ordering suffix 'E' indicates lead-free and green packaging compliance, and 'X' denotes tape and reel packaging. Confirm the 'Q' package code corresponds to the 16-pin QSOP form factor. Ensure the component meets RoHS directives applicable to your region before finalizing procurement specifications.
Select this component for applications requiring high bandwidth and low distortion in single-supply environments. Verify that the required on-resistance flatness and leakage currents align with the specified limits at your operating voltage. Consider the 16-pin QSOP footprint constraints during PCB layout design.
This part belongs to the PI5A392A product line from Diodes Incorporated. It is functionally pin-compatible with legacy devices such as DG3XX, DG4XX, and MAX39X series switches, facilitating drop-in replacements in existing designs while offering modern manufacturing standards.
Public confirmed substitute part numbers include DG3XX, DG4XX, and MAX39X series components due to documented pin compatibility.