PIC16F87XA
DS39582B-page 180
2003 Microchip Technology Inc.
TABLE 17-1:
COMPARATOR SPECIFICATIONS
TABLE 17-2:
VOLTAGE REFERENCE SPECIFICATIONS
Operating Conditions:
3.0V < V
DD
< 5.5V, -40°C < T
A
< +85°C (unless otherwise stated)
4.0V < V
DD
< 5.5V, -40°C < T
A
< +125°C (unless otherwise stated)
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
Common Mode Rejection Ratio*
55
-
—
dB
300
300A
T
RESP
Response Time*
(1)
—
150
400
600
ns
ns
PIC16F87XA
PIC16LF87XA
301
T
MC
2
OV
Comparator Mode Change to
Output Valid*
—
—
10
µ
s
*
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:
3.0V < V
DD
< 5.5V, -40°C < T
A
< +85°C (unless otherwise stated)
4.0V < V
DD
< 5.5V, -40°C < T
A
< +125°C (unless otherwise stated)
Spec
No.
Sym
Characteristics
Min
Typ Max
Units
Comments
D310
V
RES
Resolution
V
DD
/24
—
V
DD
/32
LSb
D311
VR
AA
Absolute Accuracy
—
—
—
—
1/2
1/2
LSb
LSb
Low Range (VRR =
1
)
High Range (VRR =
0
)
D312
VR
UR
Unit Resistor Value (R)*
—
2k
—
Ω
310
T
SET
Settling Time*
(1)
— —
10
µ
s
*
These parameters are characterized but not tested.
Note 1:
Settling time measured while VRR =
1
and VR<3:0> transitions from ‘
0000
’ to ‘
1111
’.
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