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
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
1162
44.9
12-bit DAC Characteristics
External voltage reference for DAC is V
ADVREF
. See the ADC voltage reference characteristics in Table 44-38 on
Note: DAC Clock (f
DAC
) = 5 MHz, f
S
= 200kHz, IBCTL = 01.
Table 44-54.
Analog Power Supply Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
VDDIN
Analog
Supply
2.4
3.0
3.6
V
I
VDDIN
Current
Consumption
Sleep Mode( Clock OFF)
Fast Wake Up (Standby Mode, clock ON)
Normal Mode with 1 output ON (IBCTLDACCORE = 01,
Normal Mode with 1 output ON (IBCTLDACCORE = 01,
IBCTLCHx =10)
Normal Mode with 2 outputs ON (IBCTLDACCORE =01,
Normal Mode with 2 outputs ON (IBCTLDACCORE =01,
IBCTLCHx =10)
—
2
4.3
5
3
3
5.6
6.5
µA
mA
mA
mA
mA
Table 44-55.
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
Refresh Time
Refresh Time
8-bit Accuracy
24
—
—
us
t
START-UP
Startup Time
From Sleep Mode to Normal Mode:
- Voltage reference OFF
- DAC core OFF
From Fast Wake Up to Normal Mode:
- Voltage reference ON
- Voltage reference ON
- DAC core OFF
20
2.5
30
3.75
40
5
µs
t
CONV
Conversion Time
—
—
25
T
CP_DAC
Table 44-56.
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