PIC18F1XK22 Datasheet, PDF (358/388 Pages) Microchip Technology – 20-Pin Flash Microcontrollers with nanoWatt XLP Technology

PIC18F1XK22/LF1XK22
TABLE 25-10: COMPARATOR SPECIFICATIONS
Operating Conditions: 1.8V < VDD < 5.5V, -40°C < TA < +125°C (unless otherwise stated).
Param
No.
Sym.
Characteristics
Min. Typ. Max. Units Comments
CM01
CM02
CM03
CM04
CM05
*
Note 1:
VIOFF Input Offset Voltage
—
±7.5
±50
mV High Power Mode
—
—
±80
mV Low Power Mode
VICM
Input Common Mode Voltage
0
—
VDD
V
CMRR Common Mode Rejection Ratio
55
—
—
dB
TRESP Response Time
—
150
400
ns Note 1
TMC2OV Comparator Mode Change to
Output Valid*
—
—
10
s
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 25-11: DIGITAL-TO-ANALOG CONVERTER (DAC) SPECIFICATIONS
Operating Conditions: 1.8V < VDD < 5.5V, -40°C < TA < +125°C (unless otherwise stated).
Param
No.
Sym.
Characteristics
Min. Typ. Max. Units
DAC01* CLSB
Step Size⁽²⁾
— VDD/32 —
V
DAC02* CACC Absolute Accuracy
—
—  1/2 LSb
DAC03* CR
DAC04* CST
Unit Resistor Value (R)
Settling Time⁽¹⁾
— TBD —

—
—
10
s
* These parameters are characterized but not tested.
Legend: TBD = To Be Determined
Note 1: Settling time measured while DACR<4:0> transitions from ‘0000’ to ‘1111’.
Comments
TABLE 25-12: 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. Max. Units
Comments
D003 VADFVR Fixed Voltage Reference Voltage for -6
—
4
ADC, Initial Accuracy
-7
—
4
-7
—
6
-8
—
6
-7
—
4
-8
—
4
% 1.024V, VDD  1.8V, 85°C
1.024V, VDD  1.8V, 125°C
2.048V, VDD  2.5V, 85°C
2.048V, VDD  2.5V, 125°C
4.096V, VDD  4.75V, 85°C
4.096V, VDD  4.75V, 125°C
D003C* TCVFVR Temperature Coefficient, Fixed Volt- —
age Reference
-130
— ppm/°C
D003D* VFVR/ Line Regulation, Fixed Voltage Ref- —
0.270
—
%/V
VIN
erence
D004* SVDD
VDD Rise Rate to ensure internal
Power-on Reset signal
0.05
—
—
V/ms See Section 6.1 “Power-on
Reset (POR)” for details.
* These parameters are characterized but not tested.
DS41365D-page 358
Preliminary
 2010 Microchip Technology Inc.