Datasheet

134
42023ES–SAM–07/2013
ATSAM4L8/L4/L2
Offset error drift vs temperature
(1)
0.04 mV/°K
Conversion range
(2)
Vin-Vip -Vref Vref V
ICMR
(1)
see
Figure
9-5
PSRR
(1)
fvdd=1Hz, ext ADVREFP=3.0V
V
VDD
=3.6V
100
dB
fvdd=2MHz, ext
ADVREFP=3.0V V
VDD
=3.6
50
DC supply current
(2)
VDDANA=3.6V,
ADVREFP=3.0V
1.2
mA
VDDANA=1.6V,
ADVREFP=1.0V
0.6
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 Conditions Min Typ Max Units
Accuracy without compensation
(1)
7ENOB
Accuracy after compensation
(1)
11 ENOB
INL Integral Non Linearity
(2)
After calibration Dynamic tests
No gain compensation
±3
LSBs
After calibration Dynamic tests
Gain compensation
±3
DNL Differential Non Linearity
(2)
After calibration ±2.8 LSBs
Gain error
(2)
External reference -15 15
mV
VDDANA/1.6 -50 50
VDDANA/2.0 -30 30
Bandgap After calibration -10 10
Gain error drift vs voltage
(1)
External reference -8 8 mV/V
Gain error drift temperature
(1)
+ bandgap drift If using
bandgap
0.08 mV/°K
Offset error
(2)
External reference -15 15
mV
VDDANA/1.6 -15 15
VDDANA/2.0 -15 15
Bandgap After calibration -10 10
Offset error drift
(1)
-4 4 mV/V
Offset error drift temperature
(1)
00.04mV/°K
Conversion range
(1)
Vin-Vip -Vref Vref V
ICMR
(1)
see
Figure
9-5
Table 9-47. Differential mode, gain=1