This part is a kind of semiconductor called AN17000A.

Function of this product has Audio signal processing IC.

Manufacturers : Panasonic Semiconductor

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Some of the text within the PDF file :

ICs for Audio Common Use AN17000A Audio signal processing IC for notebook PC I Overview AN17000A has a speaker power amplifier, headphone power amplifier, line amplifier, electronic volume and a bass boost circuit for notebook PC. This IC adopts a small thin package, enabling compact and a space saving set. 14.00±0.10 (6.90) (5.45) 56 29 0.15±0.05 Unit: mm Area of no resin flash (1.00) (3.70) 6.10±0.10 8.10±0.20 (2.25) • Possible speaker power is 1 W × 2-ch. : 8 Ω output at VCC = 5 V or 0.5 W × 2-ch. : 8 Ω output at VCC = 5 V • A gain and frequency response of bass boost can be adjusted with external components • Each amplifiers has a standby and mute switch • Small outline thin package (1.0 mm) (0.25) 0.20±0.05 0.10 M 0.10 Seating plane 0.10±0.10 (1.00) 0 [ ... ]

AN17000A PDF Datasheet Download