PIC18F2420/2520/4420/4520
TABLE 26-2: COMPARATOR SPECIFICATIONS
Operating Conditions: 3.0V < VDD < 5.5V, -40°C < TA < +85°C (unless otherwise stated).
Param
No.
Sym
Characteristics
Input Offset Voltage
Min
Typ
Max
Units
Comments
D300
VIOFF
—
0
±5.0
—
±10
VDD – 1.5
—
mV
V
D301
D302
300
VICM
Input Common Mode Voltage
Common Mode Rejection Ratio
Response Time(1)
CMRR
TRESP
55
—
—
—
dB
ns
ns
150
150
400
PIC18FXXXX
300A
600
PIC18LFXXXX,
VDD = 2.0V
301
TMC2OV Comparator Mode Change to
Output Valid
—
—
10
μs
Note 1: Response time measured with one comparator input at (VDD – 1.5)/2, while the other input transitions
from VSS to VDD.
TABLE 26-3: VOLTAGE REFERENCE SPECIFICATIONS
Operating Conditions: 3.0V < VDD < 5.5V, -40°C < TA < +85°C (unless otherwise stated).
Param
No.
Sym
Characteristics
Resolution
Min
Typ
Max
Units
Comments
D310
VRES
VDD/24
—
—
—
2k
—
VDD/32
1/2
LSb
LSb
Ω
D311
D312
310
VRAA
VRUR
TSET
Absolute Accuracy
Unit Resistor Value (R)
Settling Time(1)
—
—
—
10
μs
Note 1: Settling time measured while CVRR = 1and CVR3:CVR0 transitions from ‘0000’ to ‘1111’.
DS39631E-page 338
© 2008 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
