PIC18F45J11-I/ML Microchip Technology, PIC18F45J11-I/ML Datasheet - Page 358
![IC PIC MCU FLASH 32K 2V 44-QFN](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC18F45J11-I/ML
Manufacturer Part Number
PIC18F45J11-I/ML
Description
IC PIC MCU FLASH 32K 2V 44-QFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Specifications of PIC18F45J11-I/ML
Core Size
8-Bit
Program Memory Size
32KB (16K x 16)
Core Processor
PIC
Speed
48MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
34
Program Memory Type
FLASH
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2.15 V ~ 3.6 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-QFN
Controller Family/series
PIC18
No. Of I/o's
22
Ram Memory Size
3.6875KB
Cpu Speed
48MHz
No. Of Timers
5
No. Of Pwm Channels
2
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3776 B
Interface Type
EUSART, I2C, SPI
Maximum Clock Frequency
48 MHz
Number Of Timers
5
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, DV164136, DM163022, DM183032, MA180023
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 13 Channel
A/d Bit Size
10 bit
A/d Channels Available
13
Height
0.88 mm
Length
8 mm
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.15 V
Width
8 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
Eeprom Size
-
Lead Free Status / Rohs Status
Details
- Current page: 358 of 528
- Download datasheet (8Mb)
PIC18F46J11 FAMILY
21.2
A single comparator is shown in Figure 21-2, along with
the relationship between the analog input levels and
the digital output. When the analog input at V
than the analog input, V
tor is a digital low level. When the analog input at V
is greater than the analog input, V
comparator is a digital high level. The shaded areas of
the output of the comparator in Figure 21-2 represent
the uncertainty due to input offsets and response time.
FIGURE 21-2:
FIGURE 21-3:
DS39932C-page 358
V
V
Output
IN
IN
-
+
V
V
IN
IN
Comparator Operation
+
-
VA
R
S
Legend:
+
–
< 10k
SINGLE COMPARATOR
COMPARATOR ANALOG INPUT MODEL
IN
-, the output of the compara-
A
IN
C
V
I
R
R
VA
LEAKAGE
C
5 pF
PIN
T
IC
S
IN
PIN
-, the output of the
Output
= Input Capacitance
= Threshold Voltage
= Leakage Current at the pin due to various junctions
= Interconnect Resistance
= Source Impedance
= Analog Voltage
IN
+ is less
IN
V
+
DD
V
V
T
T
= 0.6V
= 0.6V
21.3
Response time is the minimum time, after selecting a
new reference voltage or input source, before the
comparator output has a valid level. The response time
of the comparator differs from the settling time of the
voltage reference. Therefore, both of these times must
be considered when determining the total response to
a comparator input change. Otherwise, the maximum
delay of the comparators should be used (see
Section 28.0 “Electrical Characteristics”).
21.4
Figure 21-3 provides a simplified circuit for an analog
input. Since the analog pins are connected to a digital
output, they have reverse biased diodes to V
V
and V
by more than 0.6V in either direction, one of the diodes
is forward biased and a latch-up condition may occur.
A maximum source impedance of 10 kΩ is
recommended for the analog sources. Any external
component connected to an analog input pin, such as
a capacitor or a Zener diode, should have very little
leakage current.
SS
. The analog input, therefore, must be between V
DD
. If the input voltage deviates from this range
Comparator
Analog Input Connection
Considerations
I
±100 nA
V
LEAKAGE
SS
R
IC
© 2009 Microchip Technology Inc.
Response Time
Comparator
Input
DD
and
SS
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