PIC18F8722-I/PT Microchip Technology Inc., PIC18F8722-I/PT Datasheet - Page 421

• Manufacturer Part Number: PIC18F8722-I/PT
• Description: 80 PIN, 128 KB FLASH, 4K RAM, 70 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F8722-I/PT

• A/d Inputs: 16-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 1024 Bytes
• Input Output: 70
• Interface: SPI/I2C/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 80-pin TQFP
• Programmable Memory: 128K Bytes
• Ram Size: 3.9K Bytes
• Speed: 40 MHz
• Timers: 2-8 bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

TABLE 28-27: A/D CONVERSION REQUIREMENTS
 2004 Microchip Technology Inc.
130
131
132
135
137
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
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
or V
SS
Preliminary
to V
DD
). The source impedance (R
CY
cycle.
TBD
TBD
TBD
Min
PIC18F8722 FAMILY
0.7
1.4
1.4
0.2
11
—
(Note 4)
25.0
25.0
Max
12
—
—
—
1
3
(1)
(1)
Units
T
µs
µs
µs
µs
µs
µs
µs
AD
S
) on the input channels is 50Ω.
T
V
T
A/D RC mode
V
-40°C to +85°C
0°C ≤ to ≤ +85°C
OSC
OSC
DD
DD
AD
= 2.0V;
= 2.0V; A/D RC mode
based, V
based, V
clock divider.
Conditions
DS39646B-page 419
REF
REF
≥ 3.0V
full range