EFM32PG1 Datasheet, PDF (29/94 Pages) Silicon Laboratories – Industrial and factory automation

4.1.13 Analog Comparator (ACMP)
Table 4.19. ACMP
Parameter
Input voltage range
Symbol
V_ACMPIN
Active current not including I_ACMP
voltage reference
Current consumption of inter- I_ACMPREF
nal voltage reference,
Hysteresis
V_ACMPHYST
Comparator delay
t_ACMPDELAY
Startup time of reference
generator
Offset voltage
Reference Voltage
t_ACMPREF
V_ACMPOFFSET
V_ACMPREF
Test Condition
CMPVDD =
ACMPn_CTRL_PWRSEL ¹
BIASPROG² = 1, FULLBIAS² = 0
BIASPROG² = 0x10, FULLBIAS²
=0
BIASPROG² = 0x20, FULLBIAS²
=1
VLP selected as input using 2.5V
Reference / 4 (0.625V)
VLP selected as input using VDD
VBDIV selected as input using
1.25 V reference / 1
VADIV selected as input using
VDD/1
HYSTSEL³ = HYST0
HYSTSEL³ = HYST1
HYSTSEL³ = HYST2
HYSTSEL³ = HYST3
HYSTSEL³ = HYST4
HYSTSEL³ = HYST5
HYSTSEL³ = HYST6
HYSTSEL³ = HYST7
BIASPROG² = 1, FULLBIAS² = 0
4
BIASPROG² = 0x10, FULLBIAS²
=0⁴
BIASPROG² = 0x20, FULLBIAS²
=1⁴
BIASPROG² =0x07, FULLBIAS²
=1⁴
Internal 1.25 V reference
Internal 2.5 V reference
Min
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TBD
TBD
EFM32PG1 Data Sheet
Electrical Specifications
Typ
Max
Unit
-
CMPVDD
V
50
-
nA
306
-
nA
74
TBD
μA
50
-
nA
20
-
nA
3
-
μA
2
-
μA
0
TBD
mV
12
-
mV
22
-
mV
30
-
mV
36
-
mV
41
-
mV
47
-
mV
52
-
mV
30
-
μs
3.7
-
μs
35
-
ns
TBD
-
1.25
2.5
μs
TBD
mV
TBD
V
TBD
V
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