Datasheet

138
42023GS–SAM–03/2014
ATSAM4L8/L4/L2
Hysteresis
(1)
V
ACREFN
=0.1V to VDDIO-0.1V,
hysteresis = 1
(2)
Fast mode
10 55 mV
V
ACREFN
=0.1V to VDDIO-0.1V,
hysteresis = 1
(2)
Low power mode
10 68 mV
V
ACREFN
=0.1V to VDDIO-0.1V,
hysteresis = 2
(2)
Fast mode
26 83 mV
V
ACREFN
=0.1V to VDDIO-0.1V,
hysteresis = 2
(2)
Low power mode
19 91 mV
V
ACREFN
=0.1V to VDDIO-0.1V,
hysteresis = 3
(2)
Fast mode
43 106 mV
V
ACREFN
=0.1V to VDDIO-0.1V,
hysteresis = 3
(2)
Low power mode
32 136 mV
Propagation delay
(1)
Changes for V
ACM
=VDDIO/2
100mV Overdrive
Fast mode
67 ns
Changes for V
ACM
=VDDIO/2
100mV Overdrive
Low power mode
315 ns
t
STARTUP
Startup time
(1)
Enable to ready delay
Fast mode
1.19 µs
Enable to ready delay
Low power mode
3.61 µs
I
AC
Channel current
consumption
(3)
Low power mode, no hysteresis 4.9 8.7
µA
Fast mode, no hysteresis 63 127
1. These values are based on characterization. These values are not covered by test limits in production
2. HYSTAC.CONFn.HYS field, refer to the Analog Comparator Interface chapter
3. These values are based on simulation. These values are not covered by test limits in production or characterization
Table 9-50. Analog Comparator Characteristics
Symbol Parameter Conditions Min Typ Max Units