PIC16F526 Datasheet, PDF (88/122 Pages) Microchip Technology – 14-Pin, 8-Bit Flash Microcontroller

PIC16F526
TABLE 14-2: COMPARATOR SPECIFICATIONS.
Comparator Specifications
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C to 125°C
Characteristics
Sym.
Min.
Typ.
Max.
Units
Comments
Internal Voltage Reference
VIVRF
0.50 0.60
0.70
V
Input offset voltage
VOS
—
 5.0
 10
mV
Input common mode voltage* VCM
0
—
VDD – 1.5
V
CMRR*
CMRR
55
—
—
db
Response Time^(1)*
TRT
—
150
400
ns
Comparator Mode Change to TMC2COV
—
—
10
s
Output Valid*
* 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
VSS to VDD – 1.5V.
TABLE 14-3: COMPARATOR VOLTAGE REFERENCE (VREF) SPECIFICATIONS
Sym.
Characteristics
Min.
Typ.
Max. Units
Comments
CVRES
*
Note 1:
2:
Resolution
Absolute Accuracy⁽²⁾
— VDD/24* —
—
VDD/32
—
LSb Low Range (VRR = 1)
LSb High Range (VRR = 0)
—
—
±1/2* LSb Low Range (VRR = 1)
—
—
±1/2* LSb High Range (VRR = 0)
Unit Resistor Value (R)
Settling Time⁽¹⁾
—
2K*
—

—
—
—
10*
s
These parameters are characterized but not tested.
Settling time measured while VRR = 1 and VR<3:0> transitions from 0000 to 1111.
Do not use reference externally when VDD < 2.7V. Under this condition, reference should only be used
with comparator Voltage Common mode observed.
DS41326D-page 88
 2010 Microchip Technology Inc.