Datasheet

 2010 Microchip Technology Inc. Preliminary DS41350E-page 389
PIC18F/LF1XK50
TABLE 27-10: COMPARATOR SPECIFICATIONS
TABLE 27-11: CV
REF VOLTAGE REFERENCE SPECIFICATIONS
TABLE 27-12: FIXED VOLTAGE REFERENCE (FVR) 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
±80
mV
mV
High Power Mode
Low Power Mode
CM02 V
ICM Input Common Mode Voltage 0 — VDD V
CM03 CMRR Common Mode Rejection Ratio 55 — — dB
CM04 T
RESP Response Time — 150 400 ns Note 1
CM05 TMC2OV Comparator Mode Change to
Output Valid*
——10s
CM06 C
HYSTER Comparator Hysteresis — 65 — mV
* These parameters are characterized but not tested.
Note 1: Response time measured with one comparator input at V
DD/2, while the other input transitions
from V
SS to VDD.
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* C
LSB Step Size
(2)
—
—
VDD/24
V
DD/32
—
—
V
V
Low Range (VRR = 1)
High Range (VRR = 0)
CV02* C
ACC Absolute Accuracy —
—
—
—
 1/4
1/2
LSb
LSb
Low Range (VRR = 1)
High Range (VRR = 0)
CV03* C
R Unit Resistor Value (R) — 2k — 
CV04* C
ST Settling Time
(1)
——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’.
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  T
A  +85°C
-40°C  T
A  +125°C
Param
No.
Sym. Characteristics Min. Typ. Max. Units Comments
D003 VADFVR Fixed Voltage Reference Voltage -7
-8
-7
-8
-7
-8
—
—
—
—
—
—
6
6
6
6
6
6
%1.024V, V
DD  2.5V, 85°C
1.024V, V
DD  2.5V, 125°C
2.048V, V
DD  2.5V, 85°C
2.048V, V
DD  2.5V, 125°C
4.096V, V
DD  4.75V, 85°C
4.096V, V
DD  4.75V, 125°C
D003C* TCV
FVR Temperature Coefficient, Fixed Volt-
age Reference
— -114 — ppm/°C
D003D* V
FVR/
V
IN
Line Regulation, Fixed Voltage Ref-
erence
— 0.225 — %/V
D004* S
VDD 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.