Rev. 1.00
1�
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Rev. 1.00
19
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HT66FM5440
Brushless DC Motor A/D Flash MCU
HT66FM5440
Brushless DC Motor A/D Flash MCU
Comparators Electrical Characteristics
Ta=�5°C
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
V
DD
Conditions
V
DD
Comparator Operating Voltage
—
—
V
LVR
5.0
5.5
V
I
CMP
Comparator Operating C�rrent
5V
—
—
300
450
μA
I
OFF
Comparator Power Down C�rrent 5V Comparator disabled
—
—
0.1
μA
V
CMPOS
Comparator Inp�t Offset Voltage
5V
—
-10
—
+10
mV
V
HYS
Hysteresis Width
5V Comparator 0
-50
100
+50
mV
5V Comparator 1� �� 3
10
30
50
mV
V
CM
Inp�t Common Mode Voltage
Range
—
—
V
SS
—
V
DD
-1.4
V
A
OL
Comparator Open Loop Gain
—
—
100
1�0
—
dB
t
PD
Comparator Response Time
5V V
CM
=0~(V
DD
-1.4V)�
With 10mV overdrive
—
—
1
μs
5V With 100mV overdrive
(Note)
—
—
�00
ns
Note: Measured with comparator one input pin at V
CM=
(V
DD
-1.4)/2 while the other pin input transition from V
SS
to
(V
CM
+100mV) or from V
DD
to (V
CM
-100mV).
Power-on Reset Characteristics
Ta=�5°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
V
POR
V
DD
Start Voltage to Ens�re Power-on Reset
—
—
—
—
100
mV
RR
POR
V
DD
Rising Rate to Ens�re Power-on Reset
—
—
0.035
—
—
V/ms
t
POR
Minim�m Time for V
DD
Stays at V
POR
to Ens�re
Power-on Reset
—
—
1
—
—
ms
V
DD
t
POR
RR
POR
V
POR
Time