Additionally, there is a case included with the book as well. The mounting type recommended by the manufacturer is Surface Mount. A 44-QFP case contains it. A search for parts belonging to the AN15861A family will yield similar results. A device is packaged by 44-QFP (10x10).
AN15861A-VT Features
With 44-QFP channels
AN15861A-VT Applications
There are a lot of Panasonic Electronic Components AN15861A-VT Audio Special Purpose applications.