Microchip Technology DM163025-1 Data Sheet
PIC18(L)F2X/45K50
DS30684A-page 476
2012 Microchip Technology Inc.
29.11 Analog Characteristics
TABLE 29-1:
COMPARATOR SPECIFICATIONS
Operating Conditions:
1.8V < VDD < 5.5V, -40°C < TA < +85°C (unless otherwise stated)
Param
No.
Sym
Characteristics
Min
Typ Max
Units
Comments
CM01
V
IOFF
Input Offset Voltage
—
3
30
mV
High-Power mode
V
REF
=
V
DD
/2
—
4
40
mV
Low-Power mode
V
REF
=
V
DD
/2
CM02
V
ICM
Input Common-mode Voltage
V
SS
—
V
DD
V
CM04*
T
RESP
Response Time
(1)
—
200
400
ns
High-Power mode
—
600
3500
ns
Low-Power mode
CM05*
T
MC
2
OV
Comparator Mode Change to
Output Valid
Output Valid
—
—
10
s
*
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 V
DD
.
TABLE 29-2:
DIGITAL-TO-ANALOG CONVERTER (DAC) SPECIFICATIONS
Operating Conditions:
2.0V < V
DD
< 5.5V, -40°C < T
A
< +85°C (unless otherwise stated)
Param
No.
Sym
Characteristics
Min
Typ Max
Units
Comments
CV01*
C
LSB
Step Size
(2)
—
V
DD
/32
—
V
CV02*
C
ACC
Absolute Accuracy
—
—
1/2
LSb
V
SRC
2.0V
CV03*
C
R
Unit Resistor Value (R)
—
5k
—
CV04*
C
ST
Settling Time
(1)
—
—
10
s
CV05*
V
SRC
+
DAC Positive Reference
V
SRC
- +2
—
V
DD
V
CV06*
V
SRC
-
DAC Negative Reference
V
SS
—
V
SRC
+ -2
V
CV07*
V
SRC
DAC Reference Range
(V
(V
SRC
+ - V
SRC
-)
2
—
V
DD
V
*
These parameters are characterized but not tested.
Note 1:
Settling time measured while CVRR = 1 and CVR3:CVR0 transitions from ‘0000’ to ‘1111’.
2:
See
for more information.