PGA305: INP+, INP- is not used, also floating OK? and ADC sampling rate

Hi NY,

NY said:

Please let me know if pin of INP+/- are not used, floating is OK?

Yes, it is okay to leave them floating.

NY said:

In addtion to above, customer want to konw spec of ADC sampling rate, what's the parameter of output rate and response tme? 

Output rate:

Data rate of the ADC is ~7.8kHz or 128us. Usually this is in the electrical characteristics section but it seems like it isn't listed there. For example you can find that answer in the overview section:

And in plenty of other sections as well. 

Response time:

There's another one here:

Best,

-Cole