This item comes with a case that goes with it. The mounting type that is recommended is Surface Mount. In addition, it contains a 64-LQFP case. The device has a 8 channel. Here is a list of Fully Integrated Processor functions for your reference. There is the possibility of applying the device in Pre-Amplifier. There is a delivery within 3V~3.6V of the votage. In this device, temperature is measured in the -40°C~125°C TJ range. If you search for the STA321 family, you will find similar parts. Here are the device specifications: Full Flexible Amplification.
STA321MPL1TR Features
With 64-LQFP channels operate temperature at the range of -40°C~125°C TJ
STA321MPL1TR Applications
There are a lot of STMicroelectronics STA321MPL1TR Audio Special Purpose applications.