SAM3A8C Atmel Corporation, SAM3A8C Datasheet - Page 1415
SAM3A8C
Manufacturer Part Number
SAM3A8C
Description
Manufacturer
Atmel Corporation
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Table 45-32. Static Performance Characteristics -10 bits mode
Note:
LSB of 10 bit ADC, LSB=3.0V/1024
Table 45-33. Dynamic Performance Characteristics in Single ended and 12 bits mode
11057A–ATARM–17-Feb-12
Parameter
Resolution
Integral Non-linearity (INL)
Differential Non-linearity (DNL)
Offset Error
Gain Error without calibration
Parameter
Signal to Noise Ratio - SNR
Signal to Noise Ratio - SNR
Total Harmonic Distortion - THD
Total Harmonic Distortion - THD
Signal to Noise and Distortion - SINAD
1. Single ended or differential mode, any gain values.
Figure 45-13. Offset and Gain Definitions
Single Ended case:
Offset and Gain
definitions
Ymax=4095
YiM=2047
YaH
YaL
Conditions
no missing code
all gain, Differential or Single ended, no
calibration
all gain, Differential or Single ended, no
calibration
Conditions
Single ended, DIFF=0, OFF=x, GAIN=10
Single ended, Other Cases
Single ended, DIFF=0, OFF=x, GAIN=10
Single ended, Other Cases
Single ended, DIFF=0, OFF=x, GAIN=10
0
Ya=actual adc codes
VL
XiL
ADVref/2
XiM=2047
(1)
XiH
VH
ADVref
Xmax=4095
Ya=Ga×Xi+Oe
Ga: actual gain
Ga=(YaH-YaL)/XiH
Ga=1+Ge(%)
Ge(%): gain error
Ge(lsb): Ge(%)×Xmax
Oe=actual offset
Min
Min
-16
-71
-67
66
57
64
-1
-1
-8
(1)
±0.5
±0.5
Typ
Typ
Vin
Xi=ideal adc codes
-84
-80
10
+3
71
62
69
-6
SAM3X/A
Max
Max
+20
+1
+1
+3
74
68
74
-
-
Units
Units
LSB
LSB
LSB
LSB
Bit
dB
dB
dB
dB
dB
1415
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