SAM4L Datasheet, PDF (1142/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

ATSAM4L4/L2
Table 42-47. Analog Comparator Characteristics
Symbol Parameter
Conditions
Min
Typ
Max
Units
V_ACREFN =0.1V to VDDIO-0.1V,
hysteresis = 1⁽²⁾
10
Fast mode
55
mV
V_ACREFN =0.1V to VDDIO-0.1V,
hysteresis = 1⁽²⁾
10
Low power mode
68
mV
Hysteresis⁽¹⁾
V_ACREFN =0.1V to VDDIO-0.1V,
hysteresis = 2⁽²⁾
26
Fast mode
V_ACREFN =0.1V to VDDIO-0.1V,
hysteresis = 2⁽²⁾
19
Low power mode
83
mV
91
mV
V_ACREFN =0.1V to VDDIO-0.1V,
hysteresis = 3⁽²⁾
43
Fast mode
106
mV
V_ACREFN =0.1V to VDDIO-0.1V,
hysteresis = 3⁽²⁾
32
Low power mode
136
mV
Propagation delay⁽¹⁾
Changes for V_ACM=VDDIO/2
100mV Overdrive
Fast mode
Changes for V_ACM=VDDIO/2
100mV Overdrive
Low power mode
67
ns
315
ns
t_STARTUP Startup time⁽¹⁾
Enable to ready delay
Fast mode
Enable to ready delay
Low power mode
1.19
µs
3.61
µs
I_AC
Channel current
consumption ⁽³⁾
Low power mode, no hysteresis
Fast mode, no hysteresis
4.9
8.7
µA
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
42023C–SAM–02/2013
1142