PIC16F87XA
TABLE 17-1: COMPARATOR SPECIFICATIONS
Operating Conditions: 3.0V < VDD < 5.5V, -40°C < TA < +85°C, unless otherwise stated.
Param
No.
Characteristics
Sym
Min
Typ
Max
Units
Comments
D300
Input Offset Voltage
Input Common Mode Voltage*
VIOFF
VICM
—
0
± 5.0
± 10
VDD - 1.5
—
mV
V
D301
D302
-
-
Common Mode Rejection Ratio* CMRR
55
—
dB
Response Time(1)*
TRESP
300
300A
150
400
600
ns
ns
PIC16F87XA
PIC16LF87XA
301
Comparator Mode Change to
Output Valid*
TMC2OV
—
—
10
µs
*
These parameters are characterized but not tested.
Note: Response time measured with one comparator input at (VDD - 1.5)/2 while the other input transitions from
VSS to VDD.
TABLE 17-2: VOLTAGE REFERENCE SPECIFICATIONS
Operating Conditions: 3.0V < VDD < 5.5V, -40°C < TA < +85°C, unless otherwise stated.
Spec
No.
Characteristics
Resolution
Sym
Min
Typ
Max
Units
Comments
D310
VRES
VDD/24
—
VDD/32
LSb
D311
Absolute Accuracy
VRAA
—
—
—
—
1/4
1/2
LSb Low Range (VRR = ‘1’)
LSb High Range (VRR = ‘0’)
D312
310
Unit Resistor Value (R)*
Settling Time(1)*
VRUR
TSET
—
—
2 k
—
—
Ω
10
µs
*
These parameters are characterized but not tested.
Note: Settling time measured while VRR = 1 and VR<3:0> transitions from 0000to 1111.
DS39582A-page 178
AdvanceInformation
2001 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
