PIC18F45K22-I/P Microchip Technology Inc., PIC18F45K22-I/P Datasheet - Page 459

• Manufacturer Part Number: PIC18F45K22-I/P
• Description: 40 PDIP .600in TUBE, 32KB, Flash, 1536bytes-RAM, 8-bit Family, nanoWatt XLP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F45K22-I/P

• A/d Inputs: 28-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 16 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 35
• Interface: I2C/SPI/UART/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 40-pin PDIP
• Programmable Memory: 32K Bytes
• Ram Size: 1.5K Bytes
• Speed: 64 MHz
• Temperature Range: –40 to 125 °C
• Timers: 3-8-bit, 4-16-bit
• Voltage, Range: 1.8-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

TABLE 27-22: A/D CONVERSION REQUIREMENTS
 2010 Microchip Technology Inc.
130
131
132
135
136
Legend: TBD = To Be Determined
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 register 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) (Note 2)
Acquisition Time (Note 3)
Switching Time from Convert  Sample
Discharge Time
Characteristic
DD
to V
SS
or V
SS
Preliminary
to V
DD
). The source impedance (R
CY
cycle.
Min
0.7
0.7
1.0
1.4
12
—
PIC18(L)F2X/4XK22
2
(Note 4)
25.0
4.0
Max
4.0
12
—
2
(1)
(1)
Units
T
T
s
s
s
s
S
AD
AD
) on the input channels is 50 .
T
-40C to +85C
T
+85C to +125C
FRC mode, V
V
OSC
OSC
AD
DD
clock divider.
= 3V, Rs = 50
based,
based,
Conditions
DS41412D-page 459
DD
2.0V