I2S Built-in ADC Mode Clock

[Aircraft]

Hello to everyone!!!. I'm trying to use the I2S0 Module to receive data from the on-chip ADC. I'm new to the ESP32 so I'm not familiarized with the use of I2S controllers nor the internal ADC. I've already used the I2S0 Module to receive data from an external ADC using APLL clock source for Master Clock Signal, but I want to use the internal ADC to make a comparison and decide which one to use for my application. My problem is that I can't find any reference of how to configure the clock to communicate with built-in ADC. Where can I find this information? Which frequency should I use and which Clock Source? I've read that APLL is not recommended when using built-in ADC but on the other hand, the technical reference manual says that APLL should be used for good audio quality aplications. So I have a lot of doubts about this. I'd appreciate any help.
Thanks in advance