PIC18F2585_07 Datasheet, PDF (431/482 Pages) Microchip Technology – Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology

PIC18F2585/2680/4585/4680
TABLE 27-2: 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
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 27-3: 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 LSb Low Range (CVRR = 1)
—
—
1/2 LSb High Range (CVRR = 0)
VRUR Unit Resistor Value (R)*
—
2k
—
Ω
TSET
Settling Time^(1)*
—
—
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
DS39625C-page 429