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The SW7511FQ is a quad single-pole single-throw (SPST) JFET analog switch manufactured by Analog Devices Inc. It operates on a single supply voltage ranging from 10V to 36V or dual supplies up to ±18V. The device features an on-state resistance of 100 Ohms and low channel capacitance of 8pF off. Switching times are typically 550ns for turn-on and 450ns for turn-off. It supports signal voltages up to the supply rails and offers high isolation with leakage current below 1nA.
Verify the specific suffix 'FQ' against official Analog Devices documentation to confirm package type and tape/reel specifications. Ensure compatibility with required operating temperature ranges and supply voltage limits before integration. Cross-reference part numbers with authorized distributors to avoid counterfeit components.
Select this component when high isolation and low distortion are critical for analog signal integrity. Consider the 100 Ohm on-resistance impact on signal attenuation in high-impedance circuits. Evaluate thermal performance if multiple switches operate simultaneously under maximum load conditions.
The SW7511 series belongs to Analog Devices' portfolio of precision analog switches. It serves as a robust solution for applications requiring reliable signal switching with minimal signal degradation. The device complements other CMOS and JFET switches in the company's video and audio processing lineup.
Direct replacements include the AD7511 series variants. Verify pinout compatibility and electrical parameter equivalence, particularly on-resistance and leakage current specifications, when substituting with similar quad SPST JFET switches from other manufacturers.