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The XTS4890 is an audio power amplifier designed forportable communication device applications such asmobile phone applications. The XTS4890 is capable ofdelivering 1.0W of continuous average power to an 8ΩBTL and with less than 1% distortion (THD+N) from a5.0V power supply, and 350mW to a 8Ω BTL load from a3V power supply.The XTS4890 provides high quality audio while requiringfew external components and minimal power consumption.It features a low—power shutdown mode, which is achievedby driving the pin with logic low.The XTS4890 contains
circuitry to prevent from ”pop andclick” noise that would otherwise occur during turn—on andturn—off transitions.For maximum flexibility, the XTS4890 provides anexternally controlled gain (with resistors), as well as an externally controlled turn—on and turn—off times (with thebypass capacitor).The XTS4890 is available in a MSOP—8 , 3mm×3mm DFNand WCSP package.
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