Datasheet

63
9166DS–AVR-01/12
AT32UC3C
Figure 7-3. ADC input
Table 7-29. ADC Decoupling requirements
Symbol Parameter Conditions Min Typ Max Units
C
ADCREFPN
ADCREFP/ADCREFN capacitance
No voltage reference appplied on
ADCREFP/ADCREFN
100 nF
Table 7-30. ADC Inputs
Symbol Parameter Conditions Min Typ Max Units
V
ADCINn
ADC input voltage range 0 V
VDDANA
V
C
ONCHIP
Internal Capacitance
ADC used without S/H 5
pF
ADC used with S/H 4
R
ONCHIP
Switch resistance
ADC used without S/H 5.1
kΩ
ADC used with S/H 4.6
C
SOURCE
V
IN
R
SOURCE
ADCIN R
ONCHIP
UC3C
C
ONCHIP
Table 7-31. ADC Transfer Characteristics 12-bit Resolution Mode
(1)
Symbol Parameter Conditions Min Typ Max Units
RES Resolution
Differential mode,
V
VDDANA
= 3V,
V
ADCREF0
= 1V,
ADCFIA.SEQCFGn.SRES = 0
(F
adc
= 1.2MHz)
12 Bit
INL Integral Non-Linearity 6LSB
DNL Differential Non-Linearity 5 LSB
Offset error -10 10 mV
Gain error -30 30 mV