BD3491FS-E2 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 32-SOP (0.213, 5.40mm Width) case embedded in it. In this case, the device has 2 channels. There are Audio Signal Processor functions included in this part for your reference. This device can be applied in both Consumer Audio and X directions. As far as I know, it is supplied within 4.75V~9.5V days. In this device, the temperature range is -40°C~85°C TA, which is the range of this device. There are 32 terminations on the chip, which is the number of terminations on the chip. The chip has 32 pins that are accessible from the outside. In order to sort a part based on its consumer IC type, CONSUMER CIRCUIT can be used. There should be a minimum supply voltage (Vsup) for this part, which should not be less than 4.75V volts. 9.5V is the maximum supply voltage (Vsup).
BD3491FS-E2 Features
With 32-SOP (0.213, 5.40mm Width) channels
operate temperature at the range of -40°C~85°C TA
consumer IC type: CONSUMER CIRCUIT

BD3491FS-E2 Applications
There are a lot of ROHM Semiconductor
BD3491FS-E2 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

Factory Lead Time	10 Weeks
Mounting Type	Surface Mount
Package / Case	32-SOP (0.213, 5.40mm Width)
Surface Mount	YES
Number of Pins	32
Operating Temperature	-40°C~85°C TA
Packaging	Cut Tape (CT)
Published	2014
Part Status	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	32
Applications	Consumer Audio
Voltage - Supply	4.75V~9.5V
Terminal Position	DUAL
Terminal Form	GULL WING
Peak Reflow Temperature (Cel)	NOT SPECIFIED
Terminal Pitch	0.8mm
Time@Peak Reflow Temperature-Max (s)	NOT SPECIFIED
Function	Audio Signal Processor
Supply Voltage-Max (Vsup)	9.5V
Supply Voltage-Min (Vsup)	4.75V
Number of Channels	2
Interface	I2C
Consumer IC Type	CONSUMER CIRCUIT
Length	13.6mm
Width	5.4mm
RoHS Status	ROHS3 Compliant
Mfr	Rohm Semiconductor
Series	-
Product Status	Active
Interface	I²C
Voltage - Supply	4.75V ~ 9.5V
Operating Temperature	-40°C ~ 85°C (TA)
Specifications	-
Package / Case	32-SOP (0.213", 5.40mm Width)
Supplier Device Package	32-SSOP-A