This part is a kind of semiconductor called AN7523.

Function of this product has BTL Audio Power IC.

Manufacturers : Panasonic Semiconductor

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New BTL Audio Power IC AN7510/7520 Series s Overview The AN7510/7520 series is a 0.5W to 3W BTL audio power amplifier IC. Equipped with a standby function and mute or DC volume circuit, the series includes a lineup of single and dual output models. With simplified set design due to minimum external components, this IC has a wide variety of applications. s Features • Operating power sourcs voltage: 3.0V to 13.5V. • Built-in standby function. • Built-in mute or DC volume circuit. s Specifications Parameters Product name AN7510S AN7511S AN7512S AN7513S AN7510 AN7511 AN7512 AN7513 * * AN7520 AN7521 AN7522 AN7523 * : Planned Output power 0.5W×2ch 0.5W×1ch 0.5W×2ch 0.5W×1ch 1.0W×2ch 1.0W×1ch 1.0W×2ch 1.0W×1ch 3.0W×2ch 3.0W×1ch 3.0W×2ch 3.0W×1ch Vcc 5V 5V 5V 5V 5V 5V 5V 5V [ ... ]

AN7523 PDF Datasheet Download