Datasheet

137
42023GS–SAM–03/2014
ATSAM4L8/L4/L2
9.9.5 Digital to Analog Converter Characteristics
9.9.6 Analog Comparator Characteristics
Table 9-49. Operating conditions
Symbol Parameter Conditions Min Typ Max Units
Analog Supply Voltage
(1)
1. These values are based on simulation. These values are not covered by test limits in production or characterization
on VDDANA 2.4 3 3.6 V
Digital Supply Voltage
(1)
on VDDCORE 1.62 1.8 1.98 V
Resolution
(2)
2. These values are based on characterization. These values are not covered by test limits in production
10 bits
Clock frequency
(1)
Cload = 50pF ; Rload = 5kΩ 500 kHz
Load
(1)
CLoad 50 pF
RLoad 5 kΩ
INL Integral Non Linearity
(1)
Best fit-line method ±2 LSBs
DNL Differential Non Linearity
(1)
Best fit-line method -0.9 +1 LSBs
Zero Error (offset)
(1)
CDR[9:0] = 0 1 5 mV
Gain Error
(1)
CDR[9:0] = 1023 5 10 mV
Total Harmonic Distortion
(1)
80% of VDDANA @ fin = 70kHz -56 7 dB
Delay to vout
(1)
CDR[9:0] = 512/ Cload = 50 pF
/ Rload = 5 kΩ
2µs
Startup time
(1)
CDR[9:0] = 512 5 9 µs
Output Voltage Range
(ADVREFP < VDDANA –
100mV) is mandatory
0
ADVREFP
V
ADVREFP Voltage Range
(1)
(ADVREFP < VDDANA –
100mV) is mandatory
2.3 3.5 V
ADVREFN Voltage Range
(1)
ADVREFP = GND 0 V
Standby Current
(1)
On VDDANA 500
nA
On VDDCORE 100
DC Current consumption
(1)
On VDDANA (no Rload) 485 660
µA
On ADVREFP
(CDR[9:0] = 512)
250 295
Table 9-50. Analog Comparator Characteristics
Symbol Parameter Conditions Min Typ Max Units
Positive input voltage
range
0.1 VDDIO-0.1
V
Negative input voltage
range
0.1 VDDIO-0.1
Offset
(1)
V
ACREFN
=0.1V to VDDIO-0.1V,
hysteresis = 0
(2)
Fast mode
-12 13 mV
V
ACREFN
=0.1V to VDDIO-0.1V,
hysteresis = 0
(2)
Low power mode
-11 12 mV