15.10.7 DETREF

Table 15-26. Reference Voltage Characteristics(1)
Symbol Parameter Conditions Min. Typ. Max. Units
ADC Ref ADC internal reference nom. 1.0V, VCC = 3.0V, T = 25°C 0.967 1.0 1.017 V
nom. 1.1V, VCC = 3.0V, T = 25°C 1.069 1.1 1.120
nom. 1.2V, VCC = 3.0V, T = 25°C 1.167 1.2 1.227
nom. 1.25V, VCC = 3.0V, T = 25°C 1.214 1.25 1.280
nom. 2.0V, VCC = 3.0V, T = 25°C 1.935 2.0 2.032
nom. 2.2V, VCC = 3.0V, T = 25°C 2.134 2.2 2.242
nom. 2.4V, VCC = 3.0V, T = 25°C 2.328 2.4 2.458
nom. 2.5V, VCC = 3.0V, T = 25°C 2.420 2.5 2.565
Ref Temperature coefficient drift over [-40, +25]°C — -0.01/+0.015 — %/°C
drift over [+25, +85]°C — -0.01/0.005 —
Ref Supply coefficient drift over [1.6, 3.6]V — +/-0.35 — %/V
AC Ref AC Ref Accuracy VCC = 3.0V, T = 25°C 1.073 1.1 1.123 V
Ref Temperature coefficient drift over [-40, +25]°C — +/-0.01 — %/°C

drift over [+25, +85]°C

 — -0.005/+0.001 — %/°C
Ref Supply coefficient

drift over [1.6, 3.6]V

 — -0.35/+0.35 — %/V
Note: These values are based on characterization.