Data Sheet

1085
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181G–SAM-D21_Datasheet–09/2015
Note: 1. All values measured using a conversion rate of 350ksps.
A.6.5 Analog Comparator Characteristics
DNL Differential non-linearity
V
REF
= Ext 1.0V
V
DD
= 1.6V +/-0.3 +/-0.4 +/-1.0
LSB
V
DD
= 3.6V +/-0.25 +/-0.4 +/-0.75
V
REF
= V
DDANA
V
DD
= 1.6V +/-0.4 +/-0.55 +/-1.5
V
DD
= 3.6V +/-0.2 +/-0.3 +/-0.75
V
REF
= INT1V
V
DD
= 1.6V +/-0.5 +/-0.7 +/-1.5
V
DD
= 3.6V +/-0.4 +/-0.7 +/-1.5
I
Gain error Ext. V
REF
+/-0.5 +/-5 +/-12 mV
I
Offset error Ext. V
REF
+/-2 +/-1.5 +/-8 mV
Table A-26. Accuracy Characteristics
(1)
(Device Variant B) (Continued)
Symbol Parameter Conditions Min. Typ. Max. Units
Table A-27. Electrical and Timing (Device Variant A)
Symbol Parameter Conditions Min. Typ. Max. Units
I
Positive input voltage
range
I
0 - V
DDANA
V
I
Negative input voltage
range
I
0 - V
DDANA
I
Offset
Hysteresis = 0, Fast mode -15 0.0 +15 mV
Hysteresis = 0, Low power mode -25 0.0 +25 mV
Hysteresis
Hysteresis = 1, Fast mode 20 50 83 mV
Hysteresis = 1, Low power mode 15 40 75 mV
Propagation delay
Changes for V
ACM
=V
DDANA
/2
100mV overdrive, Fast mode
- 60 116 ns
Changes for V
ACM
=V
DDANA
/2
100mV overdrive, Low power
mode
- 225 370 ns
t
STARTUP
Startup time
Enable to ready delay
Fast mode
- 1 2 s
Enable to ready delay
Low power mode
- 12 19 s
V
SCALE
INL
(3)
- 0.75 1.58 LSB
DNL
(3)
- 0.25 0.95 LSB
Offset Error
(1)(2)
-0.200 0.260 +1.035 LSB
Gain Error
(1)(2)
0.55 1.2 2.0 LSB