LPC55S6x ADC input impedance specs

[dav1]

Hi,

I cant find the input impedance spec of the built-in ADC of LPC55S69JEV98K
checked both datasheet and UM, please advice.

Also looking for the tolerance/specification of the internal Voltage-reference rail.

Thanks!

[ZhangJennie]

Hi

ADC input resistance is documented on DS. see below. Is that what you are looking for?

Thanks

Jun Zhang