The recommended PCB layout for the TDA7268 involves placing the IC near the audio input and output connectors, using a ground plane to minimize noise, and keeping the power supply lines as short as possible. Additionally, it's recommended to use a separate analog ground plane for the audio signals and to decouple the power supply lines with capacitors.
The choice of external components for the TDA7268 depends on the specific application and requirements. For example, the input and output capacitors should be chosen based on the frequency response and impedance of the audio signal. The voltage regulator and decoupling capacitors should be chosen based on the power supply requirements and noise tolerance. It's recommended to consult the datasheet and application notes for guidance on component selection.
The maximum power dissipation of the TDA7268 is dependent on the operating conditions and package type. For the DIP package, the maximum power dissipation is 1.4W, while for the SO package, it is 1.2W. It's recommended to consult the datasheet for more information on thermal management and power dissipation.
The TDA7268 has a dedicated mute pin (MUTE) that can be used to mute the audio output. To implement standby, the shutdown pin (SHDN) can be used to turn off the IC. Additionally, the IC can be put into a low-power mode by setting the standby pin (STBY) high. It's recommended to consult the datasheet for more information on implementing mute and standby functions.
The recommended operating voltage range for the TDA7268 is 9V to 18V, with a typical operating voltage of 12V. It's recommended to consult the datasheet for more information on power supply requirements and voltage tolerance.
TDA7268 datasheet
by STMicroelectronics
