R3920-CFAB-E1T 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 25-FLGA case embedded in it. In this case, the device has 16 channels. There are Audio Signal Processor functions included in this part for your reference. There are 25 terminations on the chip, which is the number of terminations on the chip. The chip has 25 pins that are accessible from the outside. As long as the supply voltage is greater than 1.25V, it can handle it. Overall, this device has a total of MICROPROCESSOR CIRCUIT uP/uC/peripheral IC types that are present. You should not use a temperature that is higher than 40°C.
R3920-CFAB-E1T Features
With 25-FLGA channels
Supply voltage at 1.25V volts

R3920-CFAB-E1T Applications
There are a lot of ON Semiconductor
R3920-CFAB-E1T 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

Lifecycle Status	ACTIVE (Last Updated: 1 week ago)
Factory Lead Time	12 Weeks
Mounting Type	Surface Mount
Package / Case	25-FLGA
Surface Mount	YES
Number of Pins	25
Packaging	Tape & Reel (TR)
Published	2011
Pbfree Code	yes
Part Status	Active
Moisture Sensitivity Level (MSL)	4 (72 Hours)
Number of Terminations	25
HTS Code	8542.31.00.01
Terminal Position	BOTTOM
Terminal Form	BUTT
Peak Reflow Temperature (Cel)	NOT SPECIFIED
Supply Voltage	1.25V
Time@Peak Reflow Temperature-Max (s)	NOT SPECIFIED
Function	Audio Signal Processor
Operating Temperature (Max)	40°C
Temperature Grade	COMMERCIAL
Number of Channels	16
uPs/uCs/Peripheral ICs Type	MICROPROCESSOR CIRCUIT
Length	5.59mm
Height Seated (Max)	1.781mm
Width	3.18mm
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free