SAM4L_14 Datasheet, PDF (135/176 Pages) ATMEL Corporation – Technology for Ultra-low Power Consumption

ATSAM4L8/L4/L2
Table 9-47. Differential mode, gain=1
Offset error drift vs temperature⁽¹⁾
Conversion range ⁽²⁾
ICMR⁽¹⁾
PSRR⁽¹⁾
DC supply current ⁽²⁾
Vin-Vip
-Vref
fvdd=1Hz, ext ADVREFP=3.0V
V_VDD=3.6V
fvdd=2MHz, ext
ADVREFP=3.0V V_VDD=3.6
VDDANA=3.6V,
ADVREFP=3.0V
VDDANA=1.6V,
ADVREFP=1.0V
see
Figure
9-5
100
50
1.2
0.6
0.04
Vref
mV/°K
V
dB
mA
1.
These values are based on simulation only. These values are not covered by test limits in production or characterization
2.
These values are based on characterization and not tested in production, and valid for an input voltage between 10% to 90% of
reference voltage.
Table 9-48. Unipolar mode, gain=1
Symbol
Parameter
Accuracy without compensation ⁽¹⁾
Accuracy after compensation⁽¹⁾
INL
Integral Non Linearity ⁽²⁾
DNL
Differential Non Linearity⁽²⁾
Gain error⁽²⁾
Gain error drift vs voltage⁽¹⁾
Gain error drift temperature⁽¹⁾
Offset error⁽²⁾
Offset error drift⁽¹⁾
Offset error drift temperature⁽¹⁾
Conversion range⁽¹⁾
ICMR⁽¹⁾
Conditions
After calibration Dynamic tests
No gain compensation
After calibration Dynamic tests
Gain compensation
After calibration
External reference
VDDANA/1.6
VDDANA/2.0
Bandgap After calibration
External reference
+ bandgap drift If using
bandgap
External reference
VDDANA/1.6
VDDANA/2.0
Bandgap After calibration
Vin-Vip
Min
-15
-50
-30
-10
-8
-15
-15
-15
-10
-4
-Vref
Typ
7
0
see
Figure
9-5
Max
11
±3
±3
±2.8
15
50
30
10
8
0.08
15
15
15
10
4
0.04
Vref
Units
ENOB
ENOB
LSBs
LSBs
mV
mV/V
mV/°K
mV
mV/V
mV/°K
V
42023GS–SAM–03/2014
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