Data Sheet

1083
Atmel | SMART SAM D21 [DATASHEET]
Atmel-42181G–SAM-D21_Datasheet–09/2015
for a 12 bits accuracy:
where
A.6.4 Digital to Analog Converter (DAC) Characteristics
Notes: 1. These values are based on specifications otherwise noted.
2. These values are based on characterization. These values are not covered by test limits in production.
t
SAMPLEHOLD
R
SAMPLE
R+
SOURCE
()C
SAMPLE
()× n 1+() 2()ln××≥
t
SAMPLEHOLD
R
SAMPLE
R+
SOURCE
()C
SAMPLE
()× 9.02×≥
t
SAMPLEHOLD
1
2 f
ADC
×
---------------------
=
Table A-22. Operating Conditions
(1)
(Device Variant A)
Symbol Parameter Conditions Min. Typ. Max. Units
V
DDANA
Analog supply voltage
I
1.62 - 3.63 V
AV
REF
External reference voltage
I
1.0 - V
DDANA
-0.6 V
Internal reference voltage 1 - 1 - V
Internal reference voltage 2 - V
DDANA
- V
I
Linear output voltage range
I
0.05 - V
DDANA
-0.05 V
I
Minimum resistive load
I
5 - - kΩ
I
Maximum capacitance load
I
- - 100 pF
I
DD
DC supply current
(2)
Voltage pump disabled - 160 242 A
Table A-23. Operating Conditions
(1)
(Device Variant B)
Symbol Parameter Conditions Min. Typ. Max. Units
V
DDANA
Analog supply voltage
I
1.62 - 3.63 V
AV
REF
External reference voltage
I
1.0 - V
DDANA
-0.6 V
Internal reference voltage 1 - 1 - V
Internal reference voltage 2 - V
DDANA
- V
I
Linear output voltage range
I
0.05 - V
DDANA
-0.05 V
I
Minimum resistive load
I
5 - - kΩ
I
Maximum capacitance load
I
- - 100 pF
I
DD
DC supply current
(2)
Voltage pump disabled - 160 283 A