I assumed/misunderstood RP2040 also had - > build in opamp, adc and full microprocessor under the hood doing signal conditioning, digitization, linearization,

I assumed/misunderstood RP2040 also had - > build in opamp, adc and full microprocessor under the hood doing signal conditioning, digitization, linearization, translation, and cold joint temperature compensation. I stand corrected, thank you.