PIC18F258 Datasheet, PDF (336/384 Pages) Microchip Technology – High Performance, 28/40-Pin Enhanced FLASH Microcontrollers with CAN

PIC18FXX8
TABLE 27-3: COMPARATOR SPECIFICATIONS
Operating Conditions: VDD range as described in Section 27.1, -40°C < TA < +125°C.
Param
No.
Sym
Characteristics
Min Typ
Max Units Comments
D300
VIOFF Input Offset Voltage
± 5.0 ± 10
mV
D301
VICM Input Common Mode Voltage
0
VDD – 1.5 V
D302 CMRR CMRR
+55*
db
D300
TRESP Response Time⁽¹⁾
TBD*
TBD*
TBD*
TBD*
ns PIC18FXX8
ns PIC18LFXX8
D301
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 27-4: VOLTAGE REFERENCE SPECIFICATIONS
Operating Conditions: VDD range as described in Section 27.1, -40°C < TA < +125°C.
Param No. Sym
Characteristics
Min
Typ
Max
Units
D310
VRES
Resolution
VDD/24
VDD/32
LSB
D311
VRAA
Absolute Accuracy
TBD
LSB
D312
D310
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 = 1 and VR<3:0> transitions from 0000 to 1111.
Comments
DS41159B-page 334
Preliminary
 2002 Microchip Technology Inc.