SAM3SD8C Atmel Corporation, SAM3SD8C Datasheet - Page 1092

• Manufacturer Part Number: SAM3SD8C
• Manufacturer: Atmel Corporation

40.7
Table 40-26. Analog Power Supply Characteristics
Note:
Table 40-27. Channel Conversion Time and ADC Clock
Table 40-28. External Voltage Reference Input
1092
1092
Symbol
V
I
Symbol
f
t
f
t
t
t
t
Parameter
ADVREF Input Voltage Range, 12-bit
ADVREF Input Voltage Range, 10-bit
ADVREF Current
ADVREF Input DC impedance
VDDIN
ADC
CP_ADC
S
START-UP
TRACKTIM
CONV
SETTLE
VDDIN
12-Bit ADC Characteristics
Use IBCTL = 00 for Sampling Frequency below 500 kHz and IBCTL = 01 between 500 kHz and 1MHz.
SAM3S8/SD8
SAM3S8/SD8
Parameter
ADC Analog Supply
ADC Analog Supply
Max. Voltage Ripple
Current Consumption
Parameter
ADC Clock Frequency
ADC Clock Period
Sampling Frequency
ADC Startup time
Track and Hold Time
Conversion Time
Settling Time
12-bit or 10 bit resolution
Conditions
2.4V < V
2.0V < V
Conditions
10 bit resolution
rms value, 10 kHz to 20 MHz
Sleep Mode
Fast Wake Up Mode
Normal Mode (IBCTL= 00)
Normal Mode (IBCTL= 01)
Conditions
From OFF Mode to Normal Mode:
- Voltage Reference OFF
- Analog Circuitry OFF
From Standby Mode to Normal Mode:
- Voltage Reference ON
- Analog Circuitry OFF
See
Time versus Source Output
Impedance”
Settling time to change offset and gain
VDDIN
VDDIN
Section 40.7.1.1 “Track and Hold
< 3.6V
< 3.6V
for more details
Min
2.4
2.0
Min
Min
160
200
2.4
2.0
50
20
1
4
Typ
14
-
-
Typ
Typ
3.0
0.1
1.8
4.3
5.4
30
20
8
11090A–ATARM–10-Feb-12
11090A–ATARM–10-Feb-12
VDDIN
VDDIN
Max
250
1000
Max
Max
20
40
12
3.6
3.6
2.6
7.8
20
1
T
Units
CP_ADC
Units
MHz
MHz
Units
ns
µs
ns
ns
mV
mA
mA
mA
µA
kΩ
µA
V
V
V
V