What exactly are the differential and single-ended input impedances for the TPA3220?
The August 2018 data sheet section 9.3.5 quotes impedances of 48k, 24k, 12k, and 7.7k depending on gain selection. It also suggests, but does not explicitly state, that these are differential impedances i.e. a single (say) 48k from INx_P to INx_N.
The same section then recommends input capacitor values for high-pass corner frequencies that are only correct if the impedances are single-ended i.e. one 48k from INx_P to zero volts and a second 48k from INx_N to zero volts.
Which interpretation is correct?
Also, section 9.3.5 also refers to table 1 when I think it's meant to be table 3.