Datasheet

PIC12F629/675
DS41190E-page 98 © 2007 Microchip Technology Inc.
TABLE 12-6: COMPARATOR SPECIFICATIONS
TABLE 12-7: COMPARATOR VOLTAGE REFERENCE SPECIFICATIONS
Comparator Specifications
Standard Operating Conditions
-40°C to +125°C (unless otherwise stated)
Sym Characteristics Min Typ Max Units Comments
VOS Input Offset Voltage — ± 5.0 ± 10 mV
VCM Input Common Mode Voltage 0 — VDD - 1.5 V
CMRR Common Mode Rejection Ratio +55* — — db
TRT Response Time
(1)
— 150 400* ns
TMC2COV Comparator Mode Change to
Output Valid
— — 10* μs
* These parameters are characterized but not tested.
Note 1: Response time measured with one comparator input at (VDD - 1.5)/2 while the other input transitions from
V
SS to VDD - 1.5V.
Voltage Reference Specifications
Standard Operating Conditions
-40°C to +125°C (unless otherwise stated)
Sym Characteristics Min Typ Max Units Comments
Resolution —
—
VDD/24*
VDD/32
—
—
LSb
LSb
Low Range (VRR = 1)
High Range (VRR = 0)
Absolute Accuracy —
—
—
—
± 1/2
± 1/2*
LSb
LSb
Low Range (VRR = 1)
High Range (VRR = 0)
Unit Resistor Value (R) — 2k* — Ω
Settling Time
(1)
— — 10* μs
* These parameters are characterized but not tested.
Note 1: Settling time measured while VRR = 1 and VR<3:0> transitions from 0000 to 1111.