PIC18F2221_1 Datasheet, PDF (350/402 Pages) Microchip Technology – Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC18F2221/2321/4221/4321 FAMILY
TABLE 27-2: COMPARATOR SPECIFICATIONS
Operating Conditions: 3.0V < VDD < 5.5V, -40°C < TA < +85°C for industrial (unless otherwise stated)
-40°C < TA < +125°C for extended (unless otherwise stated)
Param
No.
Sym
Characteristics
Min
Typ
Max Units Comments
D300
D301
D302
D303
D303A
D304
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 27-3: VOLTAGE REFERENCE SPECIFICATIONS
Operating Conditions: 3.0V < VDD < 5.5V, -40°C < TA < +85°C for industrial (unless otherwise stated)
-40°C < TA < +125°C for extended (unless otherwise stated)
Param
No.
Sym
Characteristics
Min Typ Max Units
Comments
D310
D311
D312
D310
Note 1:
VRES
Resolution
VDD/24 — VDD/32 LSb
VRAA Absolute Accuracy
—
—
1/2 LSb
VRUR
TSET
Unit Resistor Value (R)
Settling Time⁽¹⁾
—
2k
—
Ω
—
—
10
μs
Settling time measured while CVRR = 1 and CVR<3:0> transitions from ‘0000’ to ‘1111’.
DS39689F-page 350
© 2009 Microchip Technology Inc.