Atmel SAM4S-XPLD Atmel ATSAM4S-XPLD ATSAM4S-XPLD Hoja De Datos
Los códigos de productos
ATSAM4S-XPLD
1070
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
43.8
12-Bit DAC Characteristics
External voltage reference for DAC is ADVREF. See the ADC voltage reference characteristics
Note:
DAC Clock (F
DAC
) = 5 MHz, Fs = 200kHz, IBCTL = 01.
Table 43-40. Analog Power Supply Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
VDDIN
Analog
Supply
Supply
2.4
3.0
3.6
V
Max. Voltage
Ripple
Ripple
rms value, 10 kHz to 20 MHz
—
—
20
mV
I
VDDIN
Current
Consumption
Consumption
Sleep Mode( Clock OFF)
Fast Wake Up (Stanby Mode, clock ON)
Normal Mode with 1 output ON (IBCTLDACCORE = 01,
IBCTLCHx =10)
IBCTLCHx =10)
Normal Mode with 2 outputs ON (IBCTLDACCORE =01,
IBCTLCHx =10)
IBCTLCHx =10)
—
2
4.3
5
3
3
5.6
6.5
μA
mA
mA
mA
Table 43-41. Channel Conversion Time and DAC Clock
Symbol
Parameter
Conditions
Min
Typ
Max
Units
F
DAC
Clock Frequency
1
—
50
MHz
T
CP_DAC
Clock Period
—
—
20
ns
F
S
Sampling Frequency
—
—
2
MHz
T
START-UP
Startup Time
From Sleep Mode to Normal Mode:
- Voltage reference OFF
- DAC core OFF
- Voltage reference OFF
- DAC core OFF
From Fast Wake Up to Normal Mode:
- Voltage reference ON
- DAC core OFF
- DAC core OFF
20
2.5
30
3.75
40
5
μs
T
CONV
Conversion Time
—
—
25
T
CP_DAC
Table 43-42. 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