Is buffering the INA199 output recommened or necessary when feeding a SAR-ADC?
The equivalent sampling switch reststance and sampling capacitance of the SAR-ADC are 6kOhm and 7pF respectively.
Regards,
Arne
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Is buffering the INA199 output recommened or necessary when feeding a SAR-ADC?
The equivalent sampling switch reststance and sampling capacitance of the SAR-ADC are 6kOhm and 7pF respectively.
Regards,
Arne
Hi Arne,
Yes. Because the INA199 output impedance is not known it is recommended to use a follower with a known output impedance to easily match it to the rest of the system.
Hope this helps!
Regards