PIC12F635/PIC16F636/639
TABLE 15-6: COMPARATOR SPECIFICATIONS
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +125°C
Sym
Characteristics
Min
Typ
Max
Units
Comments
VOS
Input Offset Voltage
—
±5.0
±10
mV
VCM
Input Common Mode Voltage
0
—
VDD – 1.5
V
CMRR
Common Mode Rejection Ratio +55*
—
—
db
TRT
Response Time(1)
—
150
400*
ns
TMC2COV Comparator Mode Change to
Output Valid
—
—
10*
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 15-7: COMPARATOR VOLTAGE REFERENCE SPECIFICATIONS
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +125°C
Sym.
Characteristics
Min
Typ
Max
Units
Comments
*
Note 1:
Resolution
—
VDD/24*
—
—
VDD/32
—
LSb Low range (VRR = 1)
LSb High range (VRR = 0)
Absolute Accuracy
—
—
±1/4*
LSb Low range (VRR = 1)
—
—
±1/2*
LSb High range (VRR = 0)
Unit Resistor Value (R)
Settling Time(1)
—
2K*
—
Ω
—
—
10*
μs
These parameters are characterized but not tested.
Settling time measured while VRR = 1 and VR<3:0> transitions from ‘0000’ to ‘1111‘.
© 2005 Microchip Technology Inc.
Preliminary
DS41232B-page 167