Atmel SAM4S Series, Preliminary Data Sheet

Page: 1119 / 1163

1119
11100B–ATARM–31-Jul-12
SAM4S Series [Preliminary]
External voltage reference for DAC is ADVREF. See the ADC voltage reference characteristics
Table 42-27 on page 1114
Note: DAC Clock (F
DAC
) = 5 MHz, Fs = 200 kHz, IBCTL = 01.
Note: DAC Clock (F
DAC
)= 50 MHz, Fs = 2 MHz, Fin = 241kHz, IBCTL = 01, FFT using 1024 points or more, Frequency band = [10
kHz,1MHz] – Nyquist conditions fulfilled.
Table 42-36. Static Performance Characteristics
Parameter Conditions Min Typ Max Units
Resolution 12 Bit
Integral Non-linearity (INL)
2.4V < V
VDDIN
<2.7V
2.7V < V
VDDIN
<3.6V
-6
-2 ±1
+6
+2
LSB
Differential Non-linearity (DNL)
2.4V < V
VDDIN
<2.7V
2.7V < V
VDDIN
<3.6V
-2.5 ±1 2.5 LSB
Offset Error -32 ±8 32 LSB
Gain Error -32 ±2 32 LSB
Table 42-37. Dynamic Performance Characteristics
Parameter Conditions Min Typ Max Units
Signal to Noise Ratio - SNR
2.4V < V
VDDIN
<2.7V
2.7V < V
VDDIN
<3.6V
50
62
62
70
70
74
dB
Total Harmonic Distortion - THD
2.4V < V
VDDIN
<2.7V
2.7V < V
VDDIN
<3.6V
-78
-80
-64
-74
-60
-72
dB
Signal to Noise and Distortion - SINAD
2.4V < V
VDDIN
<2.7V
2.7V < V
VDDIN
<3.6V
50
62
60
68
70
73
dB
Effective Number of Bits - ENOB
2.4V < V
VDDIN
<2.7V
2.7V < V
VDDIN
<3.6V
8
10
10
11
12
12
bits