C8051F040/1/2/3/4/5/6/7
126
Rev. 1.5
Table 11.1. Comparator Electrical Characteristics
VDD = 3.0 V, –40 to +85 °C unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Units
Response Time,
Mode 0
CPn+ – CPn– = 100 mV
—100
—
ns
CPn+ – CPn– = 10 mV
—250
—
ns
Response Time,
Mode 1
CPn+ – CPn– = 100 mV
—175
—
ns
CPn+ – CPn– = 10 mV
—500
—
ns
Response Time,
Mode 2
CPn+ – CPn– = 100 mV
—320
—
ns
CPn+ – CPn– = 10 mV
—
1100
—
ns
Response Time,
Mode 3
CPn+ – CPn– = 100 mV
—1050
—
ns
CPn+ – CPn– = 10 mV
—5200
—
ns
Common-Mode Rejection
Ratio
—1.5
4
mV/V
Positive Hysteresis 1
CPnHYP1-0 = 00
—0
1
mV
Positive Hysteresis 2
CPnHYP1-0 = 01
24.5
7
mV
Positive Hysteresis 3
CPnHYP1-0 = 10
49
13
mV
Positive Hysteresis 4
CPnHYP1-0 = 11
10
17
25
mV
Negative Hysteresis 1
CPnHYN1-0 = 00
01
mV
Negative Hysteresis 2
CPnHYN1-0 = 01
24.5
7
mV
Negative Hysteresis 3
CPnHYN1-0 = 10
49
13
mV
Negative Hysteresis 4
CPnHYN1-0 = 11
10
17
25
mV
Inverting or Non-Inverting
Input Voltage Range
–0.25
VDD + 0.25
V
Input Capacitance
—7
—
pF
Input Bias Current
–5
0.001
+5
nA
Input Offset Voltage
–5
+5
mV
Power Supply
Power Supply Rejection
—0.1
1
mV/V
Power-up Time
—10
—
s
Supply Current at DC
Mode 0
—7.6
—
A
Mode 1
—3.2
—
A
Mode 2
—1.3
—
A
Mode 3
—0.4
—
A