PIC16F87-E Datasheet, PDF (179/228 Pages) Microchip Technology – 18/20/28-Pin Enhan lashMicrocontrollers 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.
Sym
Characteristics
Min
Typ
Max Units Comments
D300
D301
D302
300
300A
301
*
Note 1:
VIOFF Input Offset Voltage
—
±5.0
±10
mV
VICM
Input Common Mode Voltage*
0
— VDD – 1.5 V
CMRR Common Mode Rejection Ratio* 55
—
—
dB
TRESP _{Response Time}^(1)*
—
150
400
ns PIC16F87/88
600
ns PIC16LF87/88
TMC2OV Comparator Mode Change to
Output Valid*
—
—
10
µs
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.
Sym
Characteristics
Min Typ Max Units
Comments
D310
D311
D312
310
*
Note 1:
VRES
Resolution
VDD/24 — VDD/32 LSb
VRAA Absolute Accuracy
—
—
1/2
LSb Low Range (CVRR = 1)
—
—
1/2
LSb High Range (CVRR = 0)
VRUR Unit Resistor Value (R)*
—
2k
—
Ω
TSET
Settling Time^(1)*
—
—
10
µs
These parameters are characterized but not tested.
Settling time measured while CVRR = 1 and CVR<3:0> transitions from ‘0000’ to ‘1111’.
 2005 Microchip Technology Inc.
DS30487C-page 177