LV25700PM-MPB-E Overview
Moreover, the book has an appendix that contains a case study. There is only one mounting type recommended for the product, which is Surface Mount. There is a 80-BQFP case embedded in it. In this case, the device has 1 channels. There are Audio Signal Processor functions included in this part for your reference. This device can be applied in both Automotive Audio and X directions. As far as I know, it is supplied within 4.5V~5.5V days. The chip has 80 pins that are accessible from the outside.
LV25700PM-MPB-E Features
With 80-BQFP channels

LV25700PM-MPB-E Applications
There are a lot of ON Semiconductor
LV25700PM-MPB-E 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

Mounting Type	Surface Mount
Package / Case	80-BQFP
Number of Pins	80
Packaging	Tray
Published	2010
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Applications	Automotive Audio
Voltage - Supply	4.5V~5.5V
Function	Audio Signal Processor
Number of Channels	1
RoHS Status	RoHS Compliant