Atmel SAM4L-EK Atmel ATSAM4L-EK ATSAM4L-EK Data Sheet
Product codes
ATSAM4L-EK
132
42023ES–SAM–07/2013
ATSAM4L8/L4/L2
9.9.4
Analog- to Digital Converter Characteristics
Figure 9-5.
Maximum input common mode voltage
Table 9-45.
Operating conditions
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Temperature range
-40
+85
°C
Resolution
(1)
1.
These values are based on characterization. These values are not covered by test limits in production
Max
12
12
(2)
2.
Single ended or using divide by two max resolution: 11 bits
Bit
Sampling clock
(3)
3.
These values are based on simulation. These values are not covered by test limits in production
Differential modes, Gain=1X
5
300
kHz
Unipolar modes, Gain=1X
5
250
f
ADC
ADC clock frequency
(3)
Differential modes
0.03
1.8
MHz
Unipolar modes
0.03
1.5
T
SAMPLEHOLD
Sampling time
(3)
Differential modes
16.5
277
µs
Unipolar modes
16.5
333
Conversion rate
(1)
1X gain, differential
300
kSps
Internal channel conversion
rate
rate
(3)
V
VDD
/10, Bandgap and
Temperature channels
125
kSps
Conversion time (latency)
Differential mode (no windowing)
1X gain, (resolution/2)+gain
(4)
4.
See
6
Cycles
2X and 4X gain
7
8X and 16X gain
8
32X and 64X gain
9
64X gain and unipolar
10
MAX in p u t co mm o n m o de v o lta g e
0
0.5
1
1.5
2
2.5
3
1.6
3.6
V cc
IC
MR
vc m _vref= 3V
vc m _vref= 1V
vc m _vref= 1V