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Rev. 1.2
53
C8051F58x/F59x
Table 5.12. Comparator 0, 1 and 2 Electrical Characteristics
VIO = 1.8 to 5.25 V, –40 to +125 °C unless otherwise noted.
Parameter
Conditions
Min
Typ
Max
Units
Response Time:
Mode 0, Vcm* = 1.5 V
CPn+ – CPn– = 100 mV
—
390
—
ns
CPn+ – CPn– = –100 mV
—
430
—
ns
Response Time:
Mode 1, Vcm* = 1.5 V
CPn+ – CPn– = 100 mV
—
620
—
ns
CPn+ – CPn– = –100 mV
—
690
—
ns
Response Time:
Mode 2, Vcm* = 1.5 V
CPn+ – CPn– = 100 mV
—
770
—
ns
CP0+ – CP0– = –100 mV
—
860
—
ns
Response Time:
Mode 3, Vcm* = 1.5 V
CPn+ – CPn– = 100 mV
—
3500
—
ns
CPn+ – CPn– = –100 mV
—
3900
—
ns
Common-Mode Rejection Ratio
—
1.5
8.9
mV/V
Positive Hysteresis 1
CPnHYP1–0 = 00
-2
0
2
mV
Positive Hysteresis 2
CPnHYP1–0 = 01
2
6
10
mV
Positive Hysteresis 3
CPnHYP1–0 = 10
5
11
20
mV
Positive Hysteresis 4
CPnHYP1–0 = 11
13
22
40
mV
Negative Hysteresis 1
CPnHYN1–0 = 00
–2
0
2
mV
Negative Hysteresis 2
CPnHYN1–0 = 01
2
6
10
mV
Negative Hysteresis 3
CPnHYN1–0 = 10
5
11
20
mV
Negative Hysteresis 4
CPnHYN1–0 = 11
13
22
40
mV
Inverting or Non-Inverting Input
Voltage Range
–0.25
—
VIO + 0.25
V
Input Capacitance
—
8
—
pF
Input Offset Voltage
–10
—
+10
mV
Power Supply
Power Supply Rejection
—
0.33
—
mV/V
Power-Up Time
—
3
—
s
Supply Current at DC
Mode 0
—
6.1
20
A
Mode 1
—
3.2
10
A
Mode 2
—
2.5
7.5
A
Mode 3
—
0.5
3
A
*Note: Vcm is the common-mode voltage on CP0+ and CP0–.