INA116: We are looking for the lowest input capacitance (differential) in your product line & ibias current ~3fA like the INA116 -

Hi John,

Thank you for your post. 

On our parametric table, you are able to filter our parts by specification (input bias current). 

Here is a list of our INAs in ascending input bias current: https://www.ti.com/amplifier-circuit/instrumentation/products.html#sort=p769max;asc 

Here is a list of our OPAs in ascending input bias current: https://www.ti.com/amplifier-circuit/op-amps/products.html#sort=p3247max;asc 

Can you tell us a bit more about your application and what you hope to achieve?