PIC18F258 MICROCHIP [Microchip Technology], PIC18F258 Datasheet - Page 354

• Manufacturer Part Number: PIC18F258
• Description: High Performance, 28/40-Pin Enhanced FLASH Microcontrollers with CAN
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18FXX8
TABLE 27-23: A/D CONVERTER CHARACTERISTICS: PIC18FXX8 (INDUSTRIAL, EXTENDED)
DS41159B-page 352
A01
A03
A04
A05
A06
A10
A20
A20A
A21
A22
A25
A30
A40
A50
Note 1: When A/D is off, it will not consume any current other than minor leakage current. The power-down current
Param
No.
2: V
3: The A/D conversion result never decreases with an increase in the input voltage, and has no missing codes.
N
E
E
E
E
—
V
V
V
V
Z
I
I
Symbol
AD
REF
REF
REFH
REFL
AIN
AIN
IL
DL
FS
OFF
spec includes any such leakage from the A/D module.
V
as reference input.
R
REF
SS
current is from RA2/AN2/V
V
AIN
Resolution
Integral linearity error
Differential linearity error
Full scale error
Offset error
Monotonicity
Reference voltage
(V
Reference voltage High
Reference voltage Low
Analog input voltage
Recommended impedance of
analog voltage source
A/D conversion
current (V
V
REF
REFH
V
input current (Note 2)
REF
Characteristic
– V
DD
REFL
)
)
PIC18FXX8
PIC18LFXX8
REF
- and RA3/AN3/V
V
V
Preliminary
SS
SS
Min
V
0V
3V
10
—
—
—
—
—
—
—
—
—
—
—
—
—
—
- 0.3V
- 0.3V
SS
guaranteed
REF
Typ
180
90
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
PIC18LFXX8 (INDUSTRIAL)
+ pins or V
V
(3)
V
REF
DD
<±1.5
1000
Max
TBD
TBD
TBD
TBD
TBD
10.0
V
<±1
<±1
<±1
10
10
—
—
—
—
+ 0.3V
DD
+ 0.3V
DD
and V
Units
LSb
LSb
LSb
LSb
LSb
LSb
LSb
LSb
k
SS
bit
bit
—
V
V
V
V
V
A
A
A
A
2002 Microchip Technology Inc.
pins, whichever is selected
V
V
V
V
V
V
V
V
V
V
V
For 10-bit resolution
Average current
consumption when
A/D is on (Note 1).
During V
Based on differential of
V
C
During A/D conversion
cycle.
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
SS
HOLD
HOLD
= V
= V
= V
= V
= V
= V
= V
= V
= V
= V
V
.
Conditions
to V
AIN
AIN
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
AIN
acquisition.
V
. To charge
3.0V
3.0V
3.0V
3.0V
3.0V
3.0V
3.0V
3.0V
3.0V
3.0V
REF