48.6.5 DETREF Characteristics

Table 48-16. Reference Voltage Characteristics
Symbol Parameter Conditions Min. Typ. Max. Units
ADC/DAC Ref ADC/DAC internal reference nom. 1.0V, VCC=3.0V, T= 25°C 0.976 1.0 1.022 V
nom. 1.1V, VCC=3.0V, T= 25°C 1.077 1.1 1.127
nom. 1.2V, VCC=3.0V, T= 25°C 1.174 1.2 1.234
nom. 1.25V, VCC=3.0V, T= 25°C 1.221 1.25 1.287
nom. 2.0V, VCC=3.0V, T= 25°C 1.945 2.0 2.030
nom. 2.2V, VCC=3.0V, T= 25°C 2.143 2.2 2.242
nom. 2.4V, VCC=3.0V, T= 25°C 2.335 2.4 2.457
nom. 2.5V, VCC=3.0V, T= 25°C 2.428 2.5 2.563
Ref Temperature coefficient drift over [-40, +25]°C - -0.01/+0.015 - %/°C
drift over [+25, +125]°C - -0.006/+0.003 -
Ref Supply coefficient drift over [1.8, 3.63]V - +/-0.35 - %/V
AC Ref AC Ref Accuracy VCC=3.0V, T=25°C 1.086 1.1 1.128 V
Ref Temperature coefficient drift over [-40, +25]°C - +/-0.01 - %/°C

drift over [+25, +125]°C

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

drift over [1.8, 3.63]V

 - -0.35/+0.35 - %/V