TDA7721TR Overview
Additionally, there is a case included with the book as well. The mounting type recommended by the manufacturer is Surface Mount. A 28-TSSOP (0.173, 4.40mm Width) case contains it. A 6 channel is present on the device. For your reference, this part contains Audio Signal Processor functions. Automotive Audio can be used with the device. We supply it within 4.5V~13V. Using -40°C~85°C TA as a temperature range, this device operates. A search for parts belonging to the TDA7721 family will yield similar results. Refer to the device's specifications: 100dB. You can use TONE CONTROL CIRCUIT to sort consumer ICs on a part.
TDA7721TR Features
With 28-TSSOP (0.173, 4.40mm Width) channels
operate temperature at the range of -40°C~85°C TA
consumer IC type: TONE CONTROL CIRCUIT

TDA7721TR Applications
There are a lot of STMicroelectronics
TDA7721TR Audio Special Purpose applications.

Digital Television
Musical Instruments
Recording Systems
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

Lifecycle Status	ACTIVE (Last Updated: 6 months ago)
Factory Lead Time	16 Weeks
Mounting Type	Surface Mount
Package / Case	28-TSSOP (0.173, 4.40mm Width)
Operating Temperature	-40°C~85°C TA
Packaging	Tape & Reel (TR)
Part Status	Active
Moisture Sensitivity Level (MSL)	3 (168 Hours)
ECCN Code	EAR99
Applications	Automotive Audio
Voltage - Supply	4.5V~13V
Peak Reflow Temperature (Cel)	NOT SPECIFIED
Time@Peak Reflow Temperature-Max (s)	NOT SPECIFIED
Base Part Number	TDA7721
Function	Audio Signal Processor
Number of Channels	6
Interface	I2C
Specifications	100dB
Consumer IC Type	TONE CONTROL CIRCUIT
RoHS Status	Non-RoHS Compliant