Datasheet

Table Of Contents
PIC18F2480/2580/4480/4580
DS39637D-page 436 © 2009 Microchip Technology Inc.
TABLE 28-2: COMPARATOR SPECIFICATIONS
TABLE 28-3: VOLTAGE REFERENCE SPECIFICATIONS
Operating Conditions: 3.0V < VDD < 5.5V, -40°C < TA < +85°C (unless otherwise stated)
-40°C < T
A < +125°C for extended
Param
No.
Sym Characteristics Min Typ Max Units Comments
D300 V
IOFF Input Offset Voltage ±5.0 ±10 mV
D301 V
ICM Input Common Mode Voltage 0 VDD – 1.5 V
D302 CMRR Common Mode Rejection Ratio 55 dB
D303 TRESP
Response Time
(1)*
150 400 ns PIC18FXXXX
D303A 150 600 ns PIC18LFXXXX,
V
DD = 2.0V
D304 TMC2OV Comparator Mode Change to
Output Valid*
—— 10μs
Note 1: Response time measured with one comparator input at (V
DD1.5)/2 while the other input transitions
from V
SS to VDD.
Operating Conditions: 3.0V < V
DD < 5.5V, -40°C < TA < +85°C (unless otherwise stated)
-40°C < T
A < +125°C for extended
Param
No.
Sym Characteristics Min Typ Max Units Comments
D310 V
RES Resolution VDD/24 VDD/32 LSb
D311 VRAA Absolute Accuracy
1/4
1/2
LSb
LSb
Low Range (CVRR = 1)
High Range (CVRR = 0)
D312 VR
UR Unit Resistor Value (R) 2k Ω
D313 TSET
Settling Time
(1)
— — 10 μs
Note 1: Settling time measured while CVRR = 1 and CVR<3:0> bits transition from ‘0000 to ‘1111’.