A good PCB layout for the TAS5631BPHD involves keeping the power supply traces short and wide, using a solid ground plane, and placing the input and output capacitors close to the device. TI provides a recommended PCB layout in the datasheet and application notes.
The gain setting for the TAS5631BPHD depends on the specific application requirements. A good starting point is to use the recommended gain setting in the datasheet, and then adjust it based on the desired output power and THD. TI provides a gain calculator tool to help with this process.
The maximum output power of the TAS5631BPHD depends on the supply voltage, load impedance, and other factors. According to the datasheet, the device can deliver up to 125W of continuous power into a 4Ω load with a 24V supply. However, the actual power output may be limited by the thermal and current handling capabilities of the device.
To protect the TAS5631BPHD from overheating, ensure good airflow around the device, use a heat sink if necessary, and implement thermal monitoring and shutdown circuits. The device has a built-in thermal shutdown feature that turns off the amplifier if the junction temperature exceeds 150°C.
The recommended input and output coupling capacitor value for the TAS5631BPHD depends on the specific application requirements. A good starting point is to use a 10uF to 22uF capacitor for the input and output coupling. However, the actual value may need to be adjusted based on the frequency response and impedance matching requirements.
TAS5631BPHD datasheet
by Texas Instruments
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