This part is a kind of semiconductor called RDA5802N.

Function of this product has SINGLE-CHIP BROADCAST FM RADIO TUNER.

Manufacturers : RDA

Image and pinout :

Some of the text within the PDF file :

RDA5802N/NS/NM SINGLE-CHIP BROADCAST FM RADIO TUNER 1 General Description Rev.2.0–Mar.2011 GPIO1 GPIO2 20 The RDA58 02N series is the newe st genera tion single-chip br oadcast FM stereo radio tuner with fu lly integrated s ynthesizer, IF selectivity, R DS/RBDS an d MPX decode r. The tuner uses the CMOS process, support multi-interface an d require the least e xternal component. The RDA580 2N series have three type package size s , respective are RDA580 2N (QFN 4X4 mm, 24pins), RDA5802NS (QFN 3X3 mm, 20pins) an d RDA5802NM (QFN 2X2 mm, 12pins). All these make it very suitable for portable devices. The RDA5802N series ha s a power ful low-IF d igital audio processor , th is ma ke it ha ve o ptimum soun d quality with varying reception conditions. The RDA5802N series support frequency r [ ... ]

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