This part is a kind of semiconductor called LA1140.

Function of this product has FM IF System for Car Radio.

Manufacturers : Sanyo Semicon Device

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Some of the text within the PDF file :

Ordering number: EN 729E Monalithic Linear IC LA1140 FM IF System for Car Radio Overview The LA1140 is an IF system IC designed for FM car stereo receivers. It features versatile muting characteristics and allows receiver designers to realize the muting performance according to their design concept. Since the muting characteristics can be varied with a switch or a semi-fixed resistor, DX-Local switching will be accomplished with ease. Package Dimensions unit : mm 3020A-SIP16 [LA1140] Functions . IF amplification/limiter . Quadrature detector . AF preamplifier . AFC output . Signal meter output . AGC output . Muting bandwidth . Muting under weak signal strength Features SANYO : SIP16 . Versatile muting a) When muting operation is performed under a weak signal strength, an attenuati [ ... ]

LA1140 PDF Datasheet Download