Austriamicrosystem’s AS1747 dual Single-Pole/Double-Throw (SPDT) analog signal switch presents negative signal capability to allow designs without AC coupling capacitance in audio applications. The IC shows on-resistance of 0.40 Ο, channel-to-channel matching of 0.03 Ω, on-resistance flatness of 0.25 Ω and total harmonic distortion (THD+N) of 0.01%. The 10-pin 3 mm² TDFN-packaged unit operates from a single positive power supply from 1.8 to 5.5 V in a temperature range from -40°C to 85°C.


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