PIC16F87 Datasheet, PDF (177/214 Pages) Microchip Technology – 18/20/28-Pin Enhanced FLASH Microcontrollers with nanoWatt Technology

PIC16F87/88
TABLE 18-1: 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
D301
D302
300
300A
301
*
Note 1:
Input Offset Voltage
VIOFF
—
± 5.0 ± 10
mV
Input Common Mode Voltage* VICM
0
- VDD – 1.5 V
Common Mode Rejection Ratio* CMRR
55
-
—
dB
Response Time^(1)*
TRESP
—
150
400
ns PIC16F87/88
600
ns PIC16LF87/88
Comparator Mode Change to TMC2OV
—
—
10
µs
Output Valid*
These parameters are characterized but not tested.
Response time measured with one comparator input at (VDD – 1.5)/2 while the other input transitions from
VSS to VDD.
TABLE 18-2: VOLTAGE REFERENCE SPECIFICATIONS
Operating Conditions: 3.0V < VDD < 5.5V, -40°C < TA < +85°C, unless otherwise stated.
Spec
No.
Characteristics
Sym
Min Typ Max Units
Comments
D310
D311
D312
310
*
Note 1:
Resolution
VRES
VDD/24 — VDD/32 LSb
Absolute Accuracy
VRAA
—
—
1/4
LSb Low Range (VRR = 1)
—
—
1/2
LSb High Range (VRR = 0)
Unit Resistor Value (R)*
VRUR
—
2k
—
Ω
Settling Time^(1)*
TSET
—
—
10
µs
These parameters are characterized but not tested.
Settling time measured while VRR = 1 and VR<3:0> transitions from ‘0000’ to ‘1111’.
 2003 Microchip Technology Inc.
Preliminary
DS30487B-page 175