SAF7770EL/200Z130Y Overview
Moreover, the book has an appendix that contains a case study. Family Audio ICs is what we're talking about.
SAF7770EL/200Z130Y Features

SAF7770EL/200Z130Y Applications
There are a lot of NXP
SAF7770EL/200Z130Y Audio Special Purpose applications.

High-End Audio/Sound Card for PC
Replacement of DIR1703
Other Applications Requiring S/PDIF Receiver
Audio Differential Line Drivers
Audio Mix Consoles
Distribution Amplifiers
Graphic and P arametric Equalizers
Dynamic Range Processors
Digital Effects Processors
Telecom Systems

Body Material	Brass
Moisture Sensitive	Yes
Factory Pack Quantity:Factory Pack Quantity	1000
Part # Aliases	935407917518
Manufacturer	NXP
Brand	NXP Semiconductors
RoHS	Details
Packaging	Reel
Subcategory	Audio ICs
Plating	Pre-Tin
Product Type	Audio DSPs
Product Category	Audio DSPs