Microchip Technology DM164134 Data Sheet
PIC18FXX8
DS41159E-page 340
© 2006 Microchip Technology Inc.
TABLE 27-3:
COMPARATOR SPECIFICATIONS
TABLE 27-4:
VOLTAGE REFERENCE SPECIFICATIONS
Operating Conditions: V
DD
range as described in Section 27.1 “DC Characteristics”, -40
°C < T
A
< +125
°C
Param
No.
Sym
Characteristics
Min
Typ Max
Units
Comments
D300
V
IOFF
Input Offset Voltage
—
±5.0
±10
mV
D301
V
ICM
Input Common Mode Voltage
0
—
V
DD
– 1.5
V
D302
CMRR
CMRR
+55*
—
—
db
D300
T
RESP
Response Time
(1)
—
300*
350*
350*
400*
600*
600*
ns
ns
ns
PIC18FXX8
PIC18LFXX8
PIC18LFXX8
D301
T
MC2OV
Comparator Mode Change to
Output Valid
Output Valid
—
—
10*
μs
*
These parameters are characterized but not tested.
Note 1:
Response time measured with one comparator input at (V
DD
– 1.5)/2 while the other input transitions from
V
SS
to V
DD
.
Operating Conditions: V
DD
range as described in Section 27.1 “DC Characteristics”, -40
°C < T
A
< +125
°C
Param No.
Sym
Characteristics
Min
Typ
Max
Units
Comments
D310
V
RES
Resolution
V
DD
/24
—
V
DD
/32
LSB
D311
V
RAA
Absolute Accuracy
—
—
0.5
LSB
D312
V
RUR
Unit Resistor Value (R)
—
2K*
—
Ω
D310
T
SET
Settling Time
(1)
—
—
10*
μs
*
These parameters are characterized but not tested.
Note 1:
Settling time measured while CVRR = 1 and CVR<3:0> transitions from 0000 to 1111.