PIC18F26K20T-I/SS Microchip Technology, PIC18F26K20T-I/SS Datasheet - Page 275
![IC PIC MCU FLASH 32KX16 28SSOP](/photos/6/81/68119/150-28-ssop_sml.jpg)
PIC18F26K20T-I/SS
Manufacturer Part Number
PIC18F26K20T-I/SS
Description
IC PIC MCU FLASH 32KX16 28SSOP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.PIC18F25K20T-ISS.pdf
(42 pages)
2.PIC18F25K20T-ISS.pdf
(456 pages)
3.PIC18F26K20-ISS.pdf
(6 pages)
4.PIC18F26K20-ISS.pdf
(10 pages)
Specifications of PIC18F26K20T-I/SS
Core Processor
PIC
Core Size
8-Bit
Speed
64MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SSOP
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3936 B
Interface Type
CCP, ECCP, EUSART, I2C, MSSP, SPI
Maximum Clock Frequency
64 MHz
Number Of Programmable I/os
25
Number Of Timers
4
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
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 11 Channel
For Use With
AC164112 - VOLTAGE LIMITER MPLAB ICD2 VPP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PIC18F26K20T-I/SSTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18F26K20T-I/SS
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC18F25K20T-ISS PDF datasheet
- PIC18F25K20T-ISS PDF datasheet #2
- PIC18F26K20-ISS PDF datasheet #3
- PIC18F26K20-ISS PDF datasheet #4
- Current page: 275 of 456
- Download datasheet (4Mb)
19.3
For the ADC to meet its specified accuracy, the charge
holding capacitor (C
charge to the input channel voltage level. The Analog
Input model is shown in Figure 19-5. The source
impedance (R
impedance directly affect the time required to charge the
capacitor C
varies over the device voltage (V
The maximum recommended impedance for analog
sources is 10 k. As the source impedance is
decreased, the acquisition time may be decreased.
After the analog input channel is selected (or changed),
EQUATION 19-1:
2010 Microchip Technology Inc.
Note 1: The reference voltage (V
The value for T
Solving for T
Therefore:
Assumptions:
2: The charge holding capacitor (C
3: The maximum recommended impedance for analog sources is 10 k. This is required to meet the pin
A/D Acquisition Requirements
HOLD
leakage specification.
T
V
S
V
V
ACQ
T
) and the internal sampling switch (R
T
APPLIE D
. The sampling switch (R
ACQ
APPLIE D
APPLI ED
C
C
=
=
=
=
=
:
C
HOLD
=
=
=
–
ACQUISITION TIME EXAMPLE
Temperature
–
5µs
7.45µs
can be approximated with the following equations:
1.20
13.5pF 1k
C
Amplifier Settling Time
T
5µs
) must be allowed to fully
AMP
1
HOLD
1 e
+
1 e
µs
–
+
–
1.20µs
–
----------- -
2047
+
T
R
C
DD
1
–
--------- -
–
-------- -
T
RC
RC
T
Tc
IC
+
C
), see Figure 19-5.
C
+
+
+
+
REF
=
T
Temperature - 25°C
R
700
SS
=
=
=
COFF
) has no effect on the equation, since it cancels itself out.
SS
50°C- 25°C
50°C and external impedance of 10k
) impedance
V
V
V
+
HOLD
CHOL D
CHOL D
APPL IED
+
R
S
10k
+
ln(1/2047)
) is discharged after each conversion.
SS
Hold Capacitor Charging Time
)
0.05
ln(0.0004885)
1
–
0.05µs/°C
----------- -
2047
s/
1
an A/D acquisition must be done before the conversion
can be started. To calculate the minimum acquisition
time, Equation 19-1 may be used. This equation
assumes that 1/2 LSb error is used (1024 steps for the
ADC). The 1/2 LSb error is the maximum error allowed
for the ADC to meet its specified resolution.
°C
PIC18F2XK20/4XK20
;[2] V
;combining [1] and [2]
;[1] V
CHOLD
CHOLD
3.0V V
+
charged to within 1/2 lsb
charge response to V
Temperature Coefficient
DD
DS41303G-page 275
APPLIED
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