Datasheet

PIC18F2221/2321/4221/4321 FAMILY
DS39689F-page 350 © 2009 Microchip Technology Inc.
TABLE 27-2: COMPARATOR SPECIFICATIONS
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 < T
A < +125°C for extended (unless otherwise stated)
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
DD – 1.5)/2, while the other input transitions
from V
SS to VDD.
Operating Conditions: 3.0V < V
DD < 5.5V, -40°C < TA < +85°C for industrial (unless otherwise stated)
-40°C < T
A < +125°C for extended (unless otherwise stated)
Param
No.
Sym Characteristics Min Typ Max Units Comments
D310 V
RES Resolution VDD/24 — VDD/32 LSb
D311 VRAA Absolute Accuracy — — 1/2 LSb
D312 VRUR Unit Resistor Value (R) — 2k — Ω
D310 T
SET Settling Time
(1)
— — 10 μs
Note 1: Settling time measured while CVRR = 1 and CVR<3:0> transitions from ‘0000’ to ‘1111’.