Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general high-frequency PCB design guidelines, such as keeping the audio signal traces short and away from noise sources, using a solid ground plane, and decoupling the power supply lines.
To ensure proper biasing, follow the recommended biasing circuit in the datasheet, and make sure to use a stable voltage source for the VCC pin. Additionally, ensure that the input signals are within the recommended common-mode voltage range and that the output load is within the recommended impedance range.
The maximum power dissipation of the LM49151TL/NOPB is dependent on the ambient temperature and the thermal resistance of the package. To ensure it doesn't overheat, follow the recommended thermal design guidelines in the datasheet, and consider using a heat sink or thermal pad if necessary.
Yes, the LM49151TL/NOPB can be used in a stereo audio application. To configure it for stereo operation, use two devices, one for each channel, and follow the recommended stereo configuration guidelines in the datasheet.
The recommended input and output coupling capacitor value for the LM49151TL/NOPB is dependent on the specific application and frequency range. As a general guideline, use a capacitor value between 1uF to 10uF for input and output coupling, and ensure that the capacitor is rated for the maximum voltage and frequency of the signal.