Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Fiche De Données
Codes de produits
ATSAMD21-XPRO
940
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181C–SAM-D21_Datasheet–07/2014
Table 36-19. BOD33 Characteristics
Note:
1. These values are based on simulation. These values are not covered by test limits in production or
characterization.
36.9.4 Analog-to-Digital (ADC) characteristics
Notes: 1. These values are based on characterization. These values are not covered by test limits in production.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
I
Step size, between
adjacent values in
BOD33.LEVEL
adjacent values in
BOD33.LEVEL
I
-
34
-
mV
V
HYST
Hysteresis
I
35
-
170
mV
t
DET
Detection time
Time with V
DDANA
< V
TH
necessary to generate a
reset signal
reset signal
-
0.9
-
µs
I
BOD33
Current
consumption
consumption
Continuous mode
2.9
33
52.2
µA
Sampling mode
-
23
75.5
t
STARTUP
Startup time
I
-
2.2
-
µs
Table 36-20. Operating Conditions
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
RES
Resolution
I
8
-
12
bits
f
CLK_ADC
ADC Clock frequency
I
30
-
2100
kHz
Single shot
5
-
300
ksps
Free running
5
-
350
ksps
0.5
-
-
cycles
Conversion time
1x Gain
6
-
-
cycles
V
REF
Voltage reference range
1.0
-
V
DDANA
-0.6
V
V
REFINT1V
Internal 1V reference
-
1.0
-
V
V
REFINTVCC0
Internal ratiometric
reference 0
reference 0
-
V
DDANA
/1.48
-
V
V
REFINTVCC1
Internal ratiometric
reference 1
reference 1
V
DDANA
>2.0V
-
V
DDANA
/2
-
V
Conversion range
Differential mode
-V
REF
/GAIN
-
+V
REF
/GAIN
V
Single-ended mode
0.0
-
+V
REF
/GAIN
V
C
SAMPLE
Sampling capacitance
-
3.5
-
pF
R
SAMPLE
Input channel source
resistance
resistance
-
-
3.5
k
Ω
I
DD
DC supply current
f
CLK_ADC
= 2.1MHz
I
-
1.25
1.79
mA