PIC18F2420 MICROCHIP [Microchip Technology], PIC18F2420 Datasheet - Page 360

• Manufacturer Part Number: PIC18F2420
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18F2420/2520/4420/4520
TABLE 26-24: A/D CONVERTER CHARACTERISTICS: PIC18FX42X/X52X (INDUSTRIAL)
DS39631A-page 358
Param
A01
A03
A04
A06
A07
A10
A20
A21
A22
A25
A30
A50
Note 1:
No.
2:
Symbol
N
E
E
E
E
—
V
V
V
Z
I
REF
V
AIN
AIN
IL
DL
OFF
GN
REFH
REFL
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
Preliminary
V
REF
SS
V
Min
V
1.8
REFL
—
—
—
—
—
—
—
—
– 0.3V
3
SS
pin or V
DD
, whichever is selected as the V
Guaranteed
SS
PIC18LFX42X/X52X (INDUSTRIAL)
Typ
, whichever is selected as the V
—
—
—
—
—
—
—
—
—
—
—
—
—
(1)
V
DD
V
V
Max
<±1
<±1
<±1
<±1
150
REFH
REFH
2.5
10
—
—
– 3.0V
5
 2004 Microchip Technology Inc.
Units
LSb
LSb
LSb
LSb
k
bit
—
V
V
V
V
V
A
A
REFH
V
V
V
During V
During A/D conversion
cycle.
V
V
V
V
V
SS
DD
DD
REF
REF
REF
REF
REF
source.
REFL
Conditions
3.0V
3.0V
V
AIN
AIN
3.0V
3.0V
3.0V
3.0V
3.0V
source.
acquisition.
V
REF