STMicroelectronics AN3383 STA350BW 2.0-Channel Demo Board Application Note

This application note describes how to connect the STA350BW 2.0-channel demonstration board, evaluate its performance, and avoid critical issues in the PCB schematic and layout.

Brand: STMicroelectronics
Category: Other Electronics
Document type: Application Note
Language: English
Pages: 29
File format: PDF
File size: 5.4 MB
Published: 06 August, 2012
Updated: 30 September, 2023
Model: STA350BW
MD5 checksum: C312963F83F1F67F95AEEA68DBA5BDD8
PDF: STMicroelectronics AN3383 STA350BW 2.0-Channel Demo Board Application Note PDF

About this manual

The document provides instructions on how to connect the STA350BW 2.0-channel demonstration board and evaluate its performance using electrical curves such as efficiency, frequency response, crosstalk, SNR, THD, and FFT. It details the specific configuration for 2.0 BTL channels capable of delivering up to 2 x 50 W into a 6 ohm load at 25 V supply voltage.

What's inside

Functional description
Connections
Output configuration
Schematic and block diagrams
PCB layout
Bill of material
Test results
Thermal test results
Design guidelines for schematic
Design guidelines for PCB layout

Specifications

Channels	2.0-channel
Configuration	2 BTL channels
Max Power Output (6 ohm)	2 x 50 W
Supply Voltage Range	4.5 V to 26 V

Frequently asked questions

What equipment is used for testing?

The test setup includes Audio Precision System 2700, a DC power supply (4.5V to 26V), a Digital oscilloscope TDS3034B by Tektronix, and a PC with APWorkbench GUI.

How should the board be connected?

Connect the positive voltage of the 24V DC power supply to the +Vcc pin and negative to GND. Connect the APWorkbench board to the J1 connector.

Download PDF (5.4 MB)