|
PIC18F25K20T-ISO Datasheet, PDF (381/456 Pages) Microchip Technology – 28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology | |||
|
◁ |
PIC18F2XK20/4XK20
26.11 Analog Characteristics
TABLE 26-1: 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
â
10
50
mV VREF = VDD/2,
High Power Mode
â
12
80
mV VREF = VDD/2,
Low Power Mode
CM02
CM04
CM05
*
Note 1:
VICM
Input Common-mode Voltage VSS
â
VDD
V
TRESP Response Time
â
200
400
ns High Power Mode
â
300
600
ns Low Power Mode
TMC2OV Comparator Mode Change to
â
â
10
ïs
Output Valid*
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 26-2: 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)
â VDD/24 â
â VDD/32 â
V Low Range (VRR = 1)
V High Range (VRR = 0)
CV02* CACC Absolute Accuracy
â
â ï±ï 1/2 LSb
CV03* CR
CV04* CST
Unit Resistor Value (R)
Settling Time(1)
â
3k
â
ï
â
7.5
10
ïs
* These parameters are characterized but not tested.
Note 1: Settling time measured while CVRR = 1 and CVR3:CVR0 transitions from â0000â to â1111â.
2: See Section 21.1 âComparator Voltage Referenceâ for more information.
TABLE 26-3: FIXED VOLTAGE REFERENCE (FVR) SPECIFICATIONS
Operating Conditions: 1.8V < VDD < 3.6V, -40°C < TA < +125°C (unless otherwise stated).
VR Voltage Reference Specifications
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C ï£ TA ï£ +125°C
Param
No.
Sym
Characteristics
Min Typ Max Units
Comments
VR01 VROUT VR voltage output
1.15 1.20
1.10 1.20
VR02*
VR03*
TCVOUT Voltage drift temperature
coefficient
ïVROUT/ Voltage drift with respect to
ïVDD VDD regulation
â
<50
â <2000
VR04* TSTABLE Settling Time
â
25
* These parameters are characterized but not tested.
1.25
1.30
â
â
100
V -40°C to +85°C
V +85°C to +125°C
ppm/ï°C -40°C to +40°C (See
Figure 27-34)
ïV/V 25°C, 2.0 to 3.3V (See
Figure 27-33)
ïs 0 to 125°C
ï£ 2010 Microchip Technology Inc.
DS41303G-page 381
|
▷ |