SLOA292 May 2020 TAS5760LD
5.3 Conventional Solution With External BJT Switch
If the design still cannot resolve the pop noise, the conventional solution is that the SOC uses general-purpose input/output (GPIO) to control the external BJT. Figure 15 shows the implementation on how to use BJT at the output stage.
Figure 15. System Processor Control External BJT Before System Turns Off