PIC18F2455_07 Datasheet, PDF (377/430 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
TRESP Response Time*⁽¹⁾
—
—
—
150
400
dB
ns PIC18FXXXX
—
150
600
ns PIC18LFXXXX,
VDD = 2.0V
TMC2OV Comparator Mode Change to
Output Valid*
—
—
10
μs
These parameters are characterized but not tested.
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
These parameters are characterized but not tested.
Settling time measured while CVRR = 1 and CVR3:CVR0 transitions from ‘0000’ to ‘1111’.
© 2007 Microchip Technology Inc.
Preliminary
DS39632D-page 375