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As Jose mentioned, this looks feasible. But you need to know that this is a very old device, so the support for it will be limited. Please recommed our customers to use our class-d device(e.g. TPA3137D2, TPA3111D1).
The bias pin should be connected to a capacitor of 50uF and it should be tied to GND according to with the datasheet.
I think that this capacitor is like a bypass capacitor. The bypass capacitors handle starting-up time of the device and reduce noise produced by the power supply.
Unfortunately, as Shawn mentioned is a very old device and the support for this device will be limited.
Best Regards
José Luis Figueroa
Audio Applications Engineer
