Atmel SAM4S-XPLD Atmel ATSAM4S-XPLD ATSAM4S-XPLD Scheda Tecnica
Codici prodotto
ATSAM4S-XPLD
1071
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
Note:
DAC Clock (F
DAC
) = 50 MHz, Fs = 2 MHz, Fin = 241 kHz, IBCTL = 01, FFT using 1024 points or more, Frequency
band = [10 kHz,1MHz] – Nyquist conditions fulfilled.
Table 43-43. 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
Table 43-44. Analog Outputs
Parameter
Conditions
Min
Typ
Max
Units
Voltage Range
(1/6) x
V
ADVREF
—
(5/6) x
V
ADVREF
V
Slew Rate
Channel output current versus slew rate (IBCTL
for DAC0 or DAC1, noted IBCTLCHx)
for DAC0 or DAC1, noted IBCTLCHx)
R
LOAD
= 10 k
Ω, 0 pF < C
LOAD
< 50 pF
IBCTLCHx = 00
IBCTLCHx = 01
IBCTLCHx = 10
IBCTLCHx = 11
—
2.7
5.3
8
10.7
—
V/
μs
Output Channel Current
Consumption
No resistive load
IBCTLCHx = 00
IBCTLCHx = 01
IBCTLCHx = 10
IBCTLCHx = 11
—
0.23
0.45
0.67
0.89
—
mA
Settling Time
R
LOAD
= 10 k
Ω, 0 pF < C
LOAD
< 50 pF
—
—
0.5
μs
R
LOAD
Output load resistor
10
—
—
k
Ω
C
LOAD
Output load capacitor
—
30
50
pF