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Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet

Product codes
ATSAM4S-WPIR-RD
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1159
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
44.8.5.2 ADC Electrical Performances
Single-ended Static Performances
Single-ended Dynamic Performances 
Notes: 1. ADC Clock (f
ADC
) = 20 MHz, f
S
=1 MHz, Fin = 127 kHz, Frequency band = [1 kHz, 500 kHz] – Nyquist conditions fulfilled.
Differential Static Performances 
Differential Dynamic Performances
Notes: 1. ADC Clock (f
ADC
) = 20 MHz, f
S
=1 MHz, Fin = 127 kHz, Frequency band = [1 kHz, 500 kHz] – Nyquist conditions fulfilled.
10-bit ADC Mode 
In 10-bit mode, the ADC produces 12-bit output but the output data in the register ADC_CDRx is shifted 2 bits to 
the right, removing the two LSBs of the 12-bit ADC.
The gain and offset have the same values as for 12-bit mode, with digital full-scale output code range reduced to 
1024 (vs 4096).
The INL and DNL have the same values as for 12-bit mode. 
Standard Deviation (LSB)
1.8
3.9
3.4
6
7
Min Value (LSB)
-11.1
-19.4
-20.5
-25.3
-39.7
Max Value (LSB)
-0.3
4
-0.1
10.7
2.3
Table 44-47.
Single-ended Output Offset Error
Table 44-48.
Single-ended Static Electrical Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
INL
ADC Integral Non-linearity 
-2
+/-1
2
LSB
DNL
ADC Differential Non-linearity
-1
-+/-0.5
1
LSB
Table 44-49.
Single-ended Dynamic Electrical Characteristics 
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
SNR
Signal to Noise Ratio 
56
64
72
dB
THD
Total Harmonic Distortion
66
74
84
dB
SINAD
Signal to Noise and Distortion
55
62
71
dB
ENOB
Effective Number of Bits
9
10.5
12
bits
Table 44-50.
Differential Static Electrical Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
INL
Integral Non-linearity
-2
+/-1
2
LSB
DNL
Differential Non-linearity
-1
+/-0.5
1
LSB
Table 44-51.
Differential Dynamic Electrical Characteristics 
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
SNR
Signal to Noise Ratio - SNR
60
70
74
dB
THD
Total Harmonic Distortion - THD
72
80
84
dB
SINAD
Signal to Noise and Distortion - SINAD
60
68
73
dB
ENOB
Effective Number of Bits ENOB
9.5
11
12
bits