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PIC18F4680-I Datasheet, PDF (431/482 Pages) Microchip Technology – PIC18F2585/2680/4585/4680 Data Sheet | |||
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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
â
± 5.0 ± 10
mV
VICM
Input Common Mode Voltage*
0
â VDD â 1.5 V
CMRR Common Mode Rejection Ratio*
55
â
â
dB
TRESP Response Time(1)*
â
150
400
ns PIC18FXXXX
â
150
600
ns PIC18LFXXXX,
VDD = 2.0V
TMC2OV Comparator Mode Change to
Output Valid*
â
â
10
μs
These parameters are characterized but not tested.
Response time measured with one comparator input at (VDD â 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 â VDD/32 LSb
VRAA Absolute Accuracy
â
â
1/4 LSb Low Range (CVRR = 1)
â
â
1/2 LSb High Range (CVRR = 0)
VRUR Unit Resistor Value (R)*
â
2k
â
Ω
TSET
Settling Time(1)*
â
â
10
μs
These parameters are characterized but not tested.
Settling time measured while CVRR = 1 and CVR3:CVR0 transitions from â0000â to â1111â.
© 2007 Microchip Technology Inc.
Preliminary
DS39625C-page 429
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