https://onlinedocs.microchip.com/oxy/GUID-57D3515A-D13A-4FB6-B2E6-46A8E304CC60-en-US-9/GUID-3DDACB37-7175-4B34-8B01-453F35920B4D.html
47.4.5 DETREF Characteristics
Table 47-13. Reference Voltage Characteristics Symbol Parameter Conditions Min. Typ. Max. Units ADC/DAC Ref ADC/DAC internal reference nom. 1.0V, V CC =3.0V,...
characteristics