DescriptionTheTSOP348..-seriesareminiaturizedreceiversforinfraredremotecontrolsystems.PINdiodeandpreamplifierareassembledonleadframe,theepoxypackageisdesignedasIRfilter.Thedemodulatedoutputsignalcandirectlybedecodedbyamicroprocessor.TSOP348..isthestandardIRremotecontrolreceiverseriesfor3Vsupplyvoltage,supportingallmajortransmissioncodes.Features Photodetectorandpreamplifierinonepackage InternalfilterforPCMfrequency Improvedshieldingagainstelectricalfielddisturbance TTLandCMOScompatibility Outputactivelow Supplyvoltage:2.7Vto5.5V Improvedimmunityagainstambientlight