PIC16F631/677/685/687/689/690
TABLE 17-7: COMPARATOR SPECIFICATIONS
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +125°C
Comparator Specifications
Param.
Sym
Characteristics
Min
Typ
Max
Units
Comments
No.
CM01
CM02
CM03
VOS
Input Offset Voltage
—
0
5.0
—
10
VDD - 1.5
—
mV
V
VCM
CMRR
Input Common Mode Voltage
Common Mode Rejection
Ratio
+55*
—
db
CM04
CM05
TRT
Response Time(1)
—
—
150
—
400*
10*
ns
TMC2COV Comparator Mode Change to
Output Valid
μs
*
These parameters are characterized but not tested.
Note 1: Response time measured with one comparator input at (VDD - 1.5)/2 while the other input transitions from
VSS to VDD - 1.5V.
TABLE 17-8: COMPARATOR VOLTAGE REFERENCE (CVREF) SPECIFICATIONS
Standard Operating Conditions (unless otherwise stated)
Operating temperature
-40°C ≤ TA ≤ +125°C
Param
Sym
No.
Characteristics
Min
Typ†
Max
Units
Comments
CV01* CLSB
Step Size(2)
Absolute Accuracy
—
—
VDD/24
VDD/32
—
—
V
V
Low Range (VRR = 1)
High Range (VRR = 0)
CV02* CACC
—
—
—
—
1/4
1/2
LSb Low Range (VRR = 1)
LSb High Range (VRR = 0)
CV03* CR
CV04* CST
Unit Resistor Value (R)
Settling Time(1)
—
—
2k
—
—
Ω
10
μs
*
These parameters are characterized but not tested.
†
Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design
guidance only and are not tested.
Note 1: Settling time measured while VRR = 1and VR<3:0> transitions from ‘0000’ to ‘1111’.
2: See Section 8.10 “Comparator Voltage Reference” for more information.
TABLE 17-9: VOLTAGE (VR) REFERENCE SPECIFICATIONS
Standard Operating Conditions (unless otherwise stated)
VR Voltage Reference Specifications
Operating temperature
-40°C ≤ TA ≤ +125°C
Param
No.
Symbol
Characteristics
VR voltage output
Min
Typ
Max
Units
Comments
VR01
VR02
VROUT
TBD
—
0.6
TBD
TBD
V
TCVOUT Voltage drift temperature
coefficient
150
ppm/°C
VR03
VR04
ΔVROUT/ Voltage drift with respect to
—
—
200
10
—
μV/V
μs
ΔVDD
VDD regulation
TSTABLE Settling Time
100*
Legend: TBD = To Be Determined
These parameters are characterized but not tested.
*
© 2007 Microchip Technology Inc.
DS41262D-page 245
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