This part is a kind of semiconductor called LA42102.

Function of this product has Monolithic Linear IC Audio Output.

Manufacturers : Sanyo Semicon Device

Image and pinout :

Some of the text within the PDF file :

Ordering number : ENA0494A Monolithic Linear IC LA42102 Overview Audio Output for TV application 10W × 2ch Power Amplifier LA42102 is 10W 2-channel AF power amplifier intended for televisions. Functions • 10W × 2 channels (VCC = 14V, RL = 8Ω). • Standby function. • Built-in mute function. • Built-in various protection circuit (short to VCC/short to groumd/load shorting/overheating). Specifications Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Allowable power dissipation Maximum junction temperature Thermal resistance Operating temperature Storage temperature Symbol VCC max Pd max Tj max θjc Topr Tstg Infinitely large heat sink Conditions Ratings 17 15 150 3 -25 to +75 -40 to +150 Unit V W °C °C/W °C °C Operating Conditions at T [ ... ]

LA42102 PDF Datasheet Download