PIC18F2221-E/ML Microchip Technology, PIC18F2221-E/ML Datasheet - Page 370

• Manufacturer Part Number: PIC18F2221-E/ML
• Description: 4KB, Flash, 512bytes-RAM, 25I/O, 8-bit Family,nanoWatt 28 QFN 6x6mm TUBE
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2221-E/ML

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 25
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18F2221/2321/4221/4321 FAMILY
TABLE 27-24: A/D CONVERTER CHARACTERISTICS
DS39689F-page 370
Param
A01
A03
A04
A06
A07
A10
A20
A21
A22
A25
A30
A50
Note 1:
No.
2:
Symbol
N
E
E
E
E
—
ΔV
V
V
V
Z
I
REF
REFH
REFL
AIN
AIN
IL
DL
OFF
GN
R
REF
The A/D conversion result never decreases with an increase in the input voltage and has no missing codes.
V
V
REFH
REFL
Resolution
Integral Linearity Error
Differential Linearity Error
Offset Error
Gain Error
Monotonicity
Reference Voltage Range
(V
Reference Voltage High
Reference Voltage Low
Analog Input Voltage
Recommended Impedance of
Analog Voltage Source
V
current is from RA2/AN2/V
current is from RA3/AN3/V
REF
REFH
Input Current
– V
Characteristic
REFL
)
(2)
REF
REF
-/CV
+ pin or V
V
REF
SS
V
Min
1.8
REFL
—
—
—
—
—
—
—
—
—
– 0.3V
3
pin or V
DD
, whichever is selected as the V
Guaranteed
SS
Typ
, whichever is selected as the V
—
—
—
—
—
—
—
—
—
—
—
—
—
(1)
V
DD
V
Max
<±1
<±1
<±2
<±1
150
REFH
2.5
10
—
—
—
+ 3.0V
5
© 2009 Microchip Technology Inc.
Units
LSb ΔV
LSb ΔV
LSb ΔV
LSb ΔV
kΩ
μA
μA
bit
—
V
V
V
V
V
REFH
ΔV
V
V
V
During V
During A/D conversion
cycle.
SS
DD
DD
REF
REF
REF
REF
REF
source.
REFL
≤ V
< 3.0V
≥ 3.0V
Conditions
≥ 3.0V
≥ 3.0V
≥ 3.0V
≥ 3.0V
≥ 3.0V
AIN
AIN
source.
≤ V
acquisition.
REF