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PIC18F4550-IP Datasheet, PDF (384/438 Pages) Microchip Technology – 28/40/44-Pin, High-Performance, Enhanced Flash, USB Microcontrollers with nanoWatt Technology
PIC18F2455/2550/4455/4550
TABLE 28-2: COMPARATOR SPECIFICATIONS
Operating Conditions: 3.0V < VDD < 5.5V, -40°C < TA < +85°C (unless otherwise stated)
Param
No.
Sym
Characteristics
Min
Typ
Max Units Comments
D300
D301
D302
300
300A
301
Note 1:
VIOFF Input Offset Voltage
—
±5.0
±10
mV
VICM
Input Common Mode Voltage
0
— VDD – 1.5 V
CMRR Common Mode Rejection Ratio
55
—
—
dB
TRESP Response Time(1)
—
150
400
ns PIC18FXXXX
—
150
600
ns PIC18LFXXXX,
VDD = 2.0V
TMC2OV Comparator Mode Change to
Output Valid
—
—
10
μs
Response time measured with one comparator input at (VDD – 1.5)/2, while the other input transitions
from VSS to VDD.
TABLE 28-3: VOLTAGE REFERENCE SPECIFICATIONS
Operating Conditions: 3.0V < VDD < 5.5V, -40°C < TA < +85°C (unless otherwise stated)
Param
No.
Sym
Characteristics
Min Typ Max Units
Comments
D310
D311
D312
310
Note 1:
VRES
Resolution
VDD/24 — VDD/32 LSb
VRAA Absolute Accuracy
—
1/4
1
LSb Low Range (CVRR = 1)
—
—
1/2 LSb High Range (CVRR = 0)
VRUR
TSET
Unit Resistor Value (R)
Settling Time(1)
—
2k
—
Ω
—
—
10
μs
Settling time measured while CVRR = 1 and CVR3:CVR0 transitions from ‘0000’ to ‘1111’.
DS39632E-page 382
© 2009 Microchip Technology Inc.