PIC18F2450-I/SP Microchip Technology, PIC18F2450-I/SP Datasheet - Page 296

• Manufacturer Part Number: PIC18F2450-I/SP
• Description: IC PIC MCU FLASH 8KX16 28DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2450-I/SP

• Program Memory Type: FLASH
• Program Memory Size: 16KB (8K x 16)
• Package / Case: 28-DIP (0.300", 7.62mm)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: UART/USART, USB
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 23
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: EUSART/USB
• Maximum Clock Frequency: 48 MHz
• Number Of Programmable I/os: 23
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DM163014, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10-ch x 10-bit
• Package: 28SPDIP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 48 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: DM163025 - PIC DEM FULL SPEED USB DEMO BRD
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC18F2450/4450
TABLE 21-18: A/D CONVERSION REQUIREMENTS
DS39760D-page 294
130
131
132
135
137
Note 1:
Param
No.
2:
3:
4:
T
T
T
T
T
Symbol
AD
CNV
ACQ
SWC
DIS
The time of the A/D clock period is dependent on the device frequency and the T
ADRES registers may be read on the following T
The time for the holding capacitor to acquire the “New” input voltage when the voltage changes full scale
after the conversion (V
On the following cycle of the device clock.
A/D Clock Period
Conversion Time
(not including acquisition time)
Acquisition Time
Switching Time from Convert → Sample
Discharge Time
Characteristic
DD
(3)
to V
SS
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
or V
SS
(2)
to V
DD
). The source impedance (R
CY
cycle.
Min
0.7
1.4
2.0
3.0
0.2
15
10
11
—
(Note 4)
25
25
Max
6.0
9.0
12
—
—
—
(1)
(1)
Units
T
μs
μs
μs
μs
μs
μs
μs
AD
S
© 2008 Microchip Technology Inc.
) on the input channels is 50Ω.
T
V
T
A/D RC mode
V
A/D RC mode
-40°C to +85°C
0°C ≤ to ≤ +85°C
OSC
OSC
DD
DD
AD
= 2.0V,
= 2.0V,
based, V
based, V
clock divider.
Conditions
REF
REF
≥ 3.0V
full range