English
Language : 

PIC18F-LF1XK50 Datasheet, PDF (389/420 Pages) Microchip Technology – 20-Pin USB Flash Microcontrollers
PIC18F/LF1XK50
TABLE 27-10: COMPARATOR SPECIFICATIONS
Operating Conditions: 1.8V < VDD < 3.6V, -40°C < TA < +125°C (unless otherwise stated).
Param
No.
Sym
Characteristics
Min
Typ
Max Units Comments
CM01
VIOFF Input Offset Voltage
—
±7.5
±50
mV High Power Mode
—
—
±80
mV Low Power Mode
CM02
VICM
Input Common Mode Voltage
0
—
VDD
V
CM03
CMRR Common Mode Rejection Ratio
55
—
—
dB
CM04
CM05
TRESP
TMC2OV
Response Time
Comparator Mode Change to
Output Valid*
—
150
400
ns Note 1
—
—
10
s
CM06
*
Note 1:
CHYSTER Comparator Hysteresis
—
65
—
mV
These parameters are characterized but not tested.
Response time measured with one comparator input at VDD/2, while the other input transitions
from VSS to VDD.
TABLE 27-11: CVREF VOLTAGE REFERENCE SPECIFICATIONS
Operating Conditions: 1.8V < VDD < 3.6V, -40°C < TA < +125°C (unless otherwise stated).
Param
No.
Sym
Characteristics
Min Typ Max Units
Comments
CV01* CLSB
Step Size(2)
— VDD/24 —
— VDD/32 —
V Low Range (VRR = 1)
V High Range (VRR = 0)
CV02* CACC Absolute Accuracy
—
—  1/4 LSb Low Range (VRR = 1)
—
— 1/2 LSb High Range (VRR = 0)
CV03* CR
CV04* CST
Unit Resistor Value (R)
Settling Time(1)
—
2k
—

—
—
10
s
* These parameters are characterized but not tested.
Note 1: Settling time measured while CVRR = 1 and CVR3:CVR0 transitions from ‘0000’ to ‘1111’.
TABLE 27-12: FIXED VOLTAGE REFERENCE (FVR) SPECIFICATIONS
Operating Conditions: 1.8V < VDD < 5.5V, -40°C < TA < +85°C (unless otherwise stated).
VR Voltage Reference Specifications
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C  TA  +85°C
-40°C  TA  +125°C
Param
No.
Sym.
Characteristics
Min. Typ.
D003 VADFVR Fixed Voltage Reference Voltage
-7
—
-8
—
-7
—
-8
—
-7
—
-8
—
D003C* TCVFVR Temperature Coefficient, Fixed Volt- —
-114
age Reference
D003D* VFVR/ Line Regulation, Fixed Voltage Ref- —
VIN
erence
0.225
D004* SVDD
VDD Rise Rate to ensure internal
Power-on Reset signal
0.05
—
* These parameters are characterized but not tested.
Max. Units
Comments
6
% 1.024V, VDD  2.5V, 85°C
6
1.024V, VDD  2.5V, 125°C
6
2.048V, VDD  2.5V, 85°C
6
2.048V, VDD  2.5V, 125°C
6
4.096V, VDD  4.75V, 85°C
6
4.096V, VDD  4.75V, 125°C
— ppm/°C
—
%/V
—
V/ms See Section 6.1 “Power-on
Reset (POR)” for details.
 2010 Microchip Technology Inc.
Preliminary
DS41350E-page 389