PIC16F688 Datasheet, PDF (154/174 Pages) Microchip Technology – 14-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F688
TABLE 14-8: COMPARATOR SPECIFICATIONS
Comparator Specifications
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +125°C
Sym
Characteristics
Min
Typ
Max
Units
Comments
VOS
Input Offset Voltage
VCM
Input Common Mode Voltage
—
± 5.0
± 10
mV
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
VSS to VDD – 1.5V.
TABLE 14-9: COMPARATOR VOLTAGE REFERENCE SPECIFICATIONS
Voltage Reference Specifications
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +125°C
Sym.
Characteristics
Min
Typ
Max
Units
Comments
Resolution
—
VDD/24*
—
—
VDD/32
—
LSb Low Range (VRR = 1)
LSb High Range (VRR = 0)
Absolute Accuracy
—
—
± 1/4*
LSb Low Range (VRR = 1)
—
—
± 1/2*
LSb High Range (VRR = 0)
Unit Resistor Value (R)
Settling Time⁽¹⁾
—
2K*
—
Ω
—
—
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’.
DS41203B-page 152
Preliminary
 2004 Microchip Technology Inc.