PIC18F2220/2320/4220/4320
TABLE 26-2: COMPARATOR SPECIFICATIONS
Operating Conditions: 3.0V < VDD < 5.5V, -40°C < TA < +125°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
VICM
Input Common Mode Voltage*
Common Mode Rejection Ratio*
Response Time(1)*
CMRR
TRESP
55
—
—
dB
300
300A
150
400
600
ns
ns
PIC18FXX20
PIC18LFXX20
301
TMC2OV 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.
TABLE 26-3: VOLTAGE REFERENCE SPECIFICATIONS
Operating Conditions: 3.0V < VDD < 5.5V, -40°C < TA < +125°C, unless otherwise stated.
Param
No.
Sym
Characteristics
Resolution
Min
Typ
Max
Units
Comments
D310
VRES
VDD/24
—
VDD/32
LSb
D311
VRAA
Absolute Accuracy
—
—
—
—
1/2
1/2
LSb Low Range (VRR = 1)
LSb High Range (VRR = 0)
D312
310
VRUR
TSET
Unit Resistor Value (R)*
Settling Time(1)*
—
—
2k
—
—
Ω
10
µs
*
These parameters are characterized but not tested.
Note 1: Settling time measured while VRR = 1and VR<3:0> transitions from ‘0000’ to ‘1111’.
2003 Microchip Technology Inc.
DS39599C-page 321
MICROCHIP [ MICROCHIP ]
