
Table 8.1. Comparator Electrical Characteristics
VDD = 3.0 V, –40 to +85 °C unless otherwise noted.
Parameter
Conditions
Min
Typ
Max
Units
Response Time:
Mode 0, Vcm* = 1.5 V
CPx+ – CPx– = 100 mV
—
100
—
ns
CPx+ – CPx– = –100 mV
—
250
—
ns
Response Time:
Mode 1, Vcm* = 1.5 V
CPx+ – CPx– = 100 mV
—
175
—
ns
CPx+ – CPx– = –100 mV
—
500
—
ns
Response Time:
Mode 2, Vcm* = 1.5 V
CPx+ – CPx– = 100 mV
—
320
—
ns
CPx+ – CPx– = –100 mV
—
1100
—
ns
Response Time:
Mode 3, Vcm* = 1.5 V
CPx+ – CPx– = 100 mV
—
1050
—
ns
CPx+ – CPx– = –100 mV
—
5200
—
ns
Common-Mode Rejection Ratio
—
1.26
5
mV/V
Positive Hysteresis 1
CPxHYP1–0 = 00
—
0
1
mV
Positive Hysteresis 2
CPxHYP1–0 = 01
1
5
10
mV
Positive Hysteresis 3
CPxHYP1–0 = 10
6
10
20
mV
Positive Hysteresis 4
CPxHYP1–0 = 11
12
20
30
mV
Negative Hysteresis 1
CPxHYN1–0 = 00
—
0
1
mV
Negative Hysteresis 2
CPxHYN1–0 = 01
1
5
10
mV
Negative Hysteresis 3
CPxHYN1–0 = 10
6
10
20
mV
Negative Hysteresis 4
CPxHYN1–0 = 11
12
20
30
mV
Inverting or Non-Inverting Input
Voltage Range
–0.25
—
VDD + 0.25
V
Input Capacitance
—
4
—
pF
Input Bias Current
—
0.001
—
nA
Input Offset Voltage
–5
—
+5
mV
Power Supply
Power Supply Rejection
—
0.3
—
mV/V
Power-up Time
—
10
—
s
Supply Current at DC
Mode 0
—
11.4
20
A
Mode 1
—
4.6
10
A
Mode 2
—
1.9
5
A
Mode 3
—
0.4
2.5
A
*Note: Vcm is the common-mode voltage on CPx+ and CPx–.
Rev. 1.0
79
C8051F360/1/2/3/4/5/6/7/8/9