Datasheet

105
XMEGA A1U [DATASHEET]
Atmel-8385H-AVR-ATxmega64A1U-128A1U-Datasheet–AVR–04/2014
Table 37-47. Accuracy characteristics.
Note: 1. Maximum numbers are based on characterisation and not tested in production, and valid for 5% to 95% output voltage range.
37.2.8 Analog Comparator Characteristics
Table 37-48. Analog Comparator characteristics.
Symbol Parameter Condition Min. Typ. Max. Units
RES Input resolution 12 Bits
INL
(1)
Integral non-linearity
V
REF
= Ext 1.0V
V
CC
= 1.6V ±2.0 ±3
lsb
V
CC
= 3.6V ±1.5 ±2.5
V
REF
=AV
CC
V
CC
= 1.6V ±2.0 ±4
V
CC
= 3.6V ±1.5 ±4
V
REF
=INT1V
V
CC
= 1.6V ±5.0
V
CC
= 3.6V ±5.0
DNL
(1)
Differential non-linearity
V
REF
=Ext 1.0V
V
CC
= 1.6V ±1.5 3.0
V
CC
= 3.6V ±0.6 1.5
V
REF
=AV
CC
V
CC
= 1.6V ±1.0 3.5
V
CC
= 3.6V ±0.6 1.5
V
REF
=INT1V
V
CC
= 1.6V ±4.5
V
CC
= 3.6V ±4.5
Gain error After calibration <4
Gain calibration step size 4
Gain calibration drift V
REF
= Ext 1.0V <0.2 mV/K
Offset error After calibration <1 lsb
Offset calibration step size 1
Symbol Parameter Condition Min. Typ. Max. Units
V
off
Input offset voltage <±10 mV
I
lk
Input leakage current <1 nA
Input voltage range -0.1 AV
CC
+0.1 V
V
hys1
Hysteresis, none 0
mV
V
hys2
Hysteresis, small
mode = High Speed (HS) 22
mode = Low Power (LP) 30
V
hys3
Hysteresis, large
mode = HS 43
mode = LP 60